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San Marcos, CA

72°F
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San Marcos, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

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

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9 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindSW 5 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts6 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2500 ft

10 AM

76°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindWSW 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts7 mph

Humidity68%

Indoor Humidity68% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2500 ft

11 AM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™78°

Heat Index80°

WindWSW 7 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts9 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2500 ft

12 PM

81°
RealFeel® 83°
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 cloudy

RealFeel Shade™79°

Heat Index82°

WindWSW 8 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts12 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2500 ft

1 PM

81°
RealFeel® 83°
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 cloudy

RealFeel Shade™80°

Heat Index83°

WindWSW 9 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts14 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2500 ft

2 PM

82°
RealFeel® 88°
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™80°

Heat Index84°

WindWSW 9 mph

Air QualityFair

Max UV Index6.7 (High)

Wind Gusts17 mph

Humidity55%

Indoor Humidity55% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

81°
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 sunny

RealFeel Shade™79°

Heat Index83°

WindWSW 9 mph

Air QualityFair

Max UV Index4.9 (Moderate)

Wind Gusts16 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

80°
RealFeel® 83°
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™78°

Heat Index82°

WindWSW 9 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

WindWSW 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts14 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

76°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™75°

WindWSW 7 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts10 mph

Humidity66%

Indoor Humidity66% (Humid)

Dew Point64° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

73°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

74°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity82%

Indoor Humidity82% (Humid)

Dew Point64° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for San Marcos

AccuWeather's hourly forecast for San Marcos provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 74° with a RealFeel® of 75°, mostly cloudy 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.

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  • Chula Vista, CA
  • Oceanside, CA
  • San Diego, CA
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