Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™

Santiago, Ilocos Sur

78°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Santiago

Ilocos Sur

78°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Santiago, Ilocos Sur Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video
Today

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

4 AM

77°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindESE 5 mph

Air QualityFair

Wind Gusts8 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility7 mi

Cloud Ceiling30000 ft

5 AM

77°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindESE 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity89%

Indoor Humidity89% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover32%

Visibility7 mi

Cloud Ceiling30000 ft

6 AM

79°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™87°

Heat Index81°

WindSE 5 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts9 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover22%

Visibility7 mi

Cloud Ceiling30000 ft

7 AM

82°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™89°

Heat Index88°

WindSSE 5 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

85°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™92°

Heat Index93°

WindSSW 5 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts9 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

87°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™95°

Heat Index98°

WindSW 6 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts10 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

88°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™97°

Heat Index101°

WindWSW 7 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts13 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

89°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™98°

Heat Index104°

WindWSW 8 mph

Air QualityFair

Max UV Index11.0 (Extreme)

Wind Gusts16 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover6%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

91°
RealFeel® 110°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny

RealFeel Shade™99°

Heat Index107°

WindW 8 mph

Air QualityFair

Max UV Index12.1 (Extreme)

Wind Gusts14 mph

Humidity69%

Indoor Humidity69% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

90°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™99°

Heat Index106°

WindW 8 mph

Air QualityFair

Max UV Index9.4 (Very High)

Wind Gusts13 mph

Humidity72%

Indoor Humidity72% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility6 mi

Cloud Ceiling30000 ft

2 PM

90°
RealFeel® 108°
Dangerous Heat
RealFeel Guide
Dangerous Heat
108° to 115°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Partly sunny

RealFeel Shade™99°

Heat Index107°

WindW 8 mph

Air QualityFair

Max UV Index7.8 (Very High)

Wind Gusts13 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

90°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 25%
Chevron down
Partly sunny

RealFeel Shade™99°

Heat Index107°

WindWNW 7 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts12 mph

Humidity73%

Indoor Humidity73% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility7 mi

Cloud Ceiling30000 ft

4 PM

88°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 52%
Chevron down
Mostly cloudy w/ t-storms

RealFeel Shade™97°

Heat Index104°

WindWNW 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.06 in

Visibility5 mi

Cloud Ceiling4000 ft

5 PM

88°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms

RealFeel Shade™97°

Heat Index104°

WindWNW 6 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover25%

Rain0.01 in

Visibility7 mi

Cloud Ceiling30000 ft

6 PM

87°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 44%
Chevron down
Mostly sunny

RealFeel Shade™100°

Heat Index101°

WindNNW 6 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity78%

Indoor Humidity78% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover24%

Visibility7 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 53%
Chevron down
Mostly cloudy w/ t-storms

Heat Index97°

WindN 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity83%

Indoor Humidity83% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.02 in

Visibility7 mi

Cloud Ceiling7000 ft

8 PM

83°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 55%
Chevron down
Partly cloudy w/ t-storms

Heat Index94°

WindNNE 6 mph

Air QualityFair

Wind Gusts13 mph

Humidity86%

Indoor Humidity86% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover20%

Rain0.02 in

Visibility7 mi

Cloud Ceiling30000 ft

9 PM

83°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 49%
Chevron down
Mostly clear

Heat Index92°

WindNE 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity87%

Indoor Humidity87% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility7 mi

Cloud Ceiling30000 ft

10 PM

82°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 28%
Chevron down
Partly cloudy

Heat Index92°

WindENE 5 mph

Air QualityFair

Wind Gusts10 mph

Humidity87%

Indoor Humidity87% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility7 mi

Cloud Ceiling30000 ft

11 PM

82°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 28%
Chevron down
Partly cloudy

Heat Index91°

WindE 4 mph

Air QualityFair

Wind Gusts9 mph

Humidity88%

Indoor Humidity88% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility7 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Santiago

AccuWeather's hourly forecast for Santiago provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 77° with a RealFeel® of 85°, mostly clear with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Tuesday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Top Stories

Severe Weather

Severe storms to return to central US as flood risk rises

49 minutes ago

Weather News

Rescues underway, dam fears grow as Arthur floods Gulf Coast homes

1 day ago

Weather News

Next round of record-challenging heat on the way for Pacific Northwest

1 hour ago

Severe Weather

Tornadoes, winds rip through Illinois causing widespread damage

2 days ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

USMNT fans’ celebration registers on seismic sensors in Seattle

1 hour ago

 More Stories

Featured Stories

Severe Weather

Illinois has already surpassed its record year for tornado reports

2 days ago

Recreation

Black bear injures teen on Washington trail

2 days ago

Astronomy

Meteorological summer vs. astronomical summer explained

2 days ago

Recreation

Free climber dies after falling into volcanic crater in Yemen

3 days ago

Health

Pickle is the pumpkin spice of summer

4 days ago
World Asia Philippines Ilocos Sur Santiago

Weather Near Santiago:

  • Candon City, Ilocos Sur
  • Narvacan, Ilocos Sur
  • Santa Maria, Ilocos Sur
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...