Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Artemis II updates: Astronauts make historic moon flyby. Click here to follow along. Chevron right
Rain will ease drought, but may spoil vacations in Florida this week. Click for info. Chevron right

Sullivan, WI

30°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sullivan

Wisconsin

30°
No results found.
Try searching for a city, zip code or point of interest.
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
Sullivan, WI 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

Winter Center
Today

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

2 AM

31°
RealFeel® 19°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSSE 13 mph

Air QualityFair

Wind Gusts16 mph

Humidity69%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling8900 ft

3 AM

33°
RealFeel® 21°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindSSE 14 mph

Air QualityFair

Wind Gusts16 mph

Humidity70%

Indoor Humidity34% (Dry)

Dew Point24° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling7700 ft

4 AM

35°
RealFeel® 22°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

WindSSE 15 mph

Air QualityFair

Wind Gusts17 mph

Humidity69%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6600 ft

5 AM

35°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindSSE 15 mph

Air QualityFair

Wind Gusts18 mph

Humidity70%

Indoor Humidity36% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6700 ft

6 AM

36°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindSSE 15 mph

Air QualityFair

Wind Gusts21 mph

Humidity70%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

7 AM

36°
RealFeel® 23°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™23°

WindSSE 16 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts22 mph

Humidity70%

Indoor Humidity36% (Dry)

Dew Point27° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling7000 ft

8 AM

38°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™27°

WindSSE 14 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity67%

Indoor Humidity36% (Dry)

Dew Point28° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling7100 ft

9 AM

41°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 51%
Chevron down
Showers

RealFeel Shade™27°

WindS 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts21 mph

Humidity62%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility6 mi

Cloud Ceiling7000 ft

10 AM

44°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™33°

WindS 17 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts21 mph

Humidity56%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7100 ft

11 AM

50°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 32%
Chevron down
Mostly cloudy

RealFeel Shade™40°

WindS 18 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts25 mph

Humidity50%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling9600 ft

12 PM

55°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 32%
Chevron down
Mostly cloudy

RealFeel Shade™46°

WindS 20 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts31 mph

Humidity46%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling12100 ft

1 PM

59°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 28%
Chevron down
Intermittent clouds

RealFeel Shade™51°

WindS 21 mph

Air QualityFair

Max UV Index3.8 (Moderate)

Wind Gusts37 mph

Humidity45%

Indoor Humidity32% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

2 PM

62°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™55°

WindSSW 20 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts38 mph

Humidity44%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling4000 ft

3 PM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™59°

WindSSW 20 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts40 mph

Humidity42%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover61%

Visibility10 mi

Cloud Ceiling24900 ft

4 PM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™62°

WindSSW 20 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts43 mph

Humidity41%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

RealFeel Shade™64°

WindSSW 20 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts41 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling25400 ft

6 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

RealFeel Shade™62°

WindSSW 18 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts38 mph

Humidity44%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling20800 ft

7 PM

63°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 25%
Chevron down
Cloudy

RealFeel Shade™58°

WindSSW 17 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts35 mph

Humidity49%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling16200 ft

8 PM

61°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 18 mph

Air QualityFair

Wind Gusts35 mph

Humidity56%

Indoor Humidity44% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling13100 ft

9 PM

60°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 17 mph

Air QualityFair

Wind Gusts31 mph

Humidity62%

Indoor Humidity46% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling10100 ft

10 PM

57°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Showers

WindSSW 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity77%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

11 PM

56°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

WindSSW 16 mph

Air QualityFair

Wind Gusts24 mph

Humidity78%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Sullivan

AccuWeather's hourly forecast for Sullivan provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 31° with a RealFeel® of 19° and a 20% chance of Cloudy. 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

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Southeast warmth to build as Northeast has more temperature turmoil

10 hours ago
Live Blog

Artemis II: Astronauts begin journey back to Earth after lunar flyby

LATEST ENTRY

Homebound: Orion leaves moon’s ‘sphere of influence’

10 hours ago

Weather Forecasts

Slow-moving rainstorm to douse Florida drought, wildfire risk

10 hours ago

Severe Weather

Plains, Midwest brace for days of severe storms

10 hours ago

Weather Forecasts

Late-week storm to bring rain, mountain snow to California, Southwest

10 hours ago

 More Stories

Featured Stories

Sports

Tropicana Field reopens after Hurricane Milton as Rays secure home win

10 hours ago

Weather News

Father dies saving children in Florida rip current as rescues surge st...

12 hours ago

Weather News

California records second-ever snowless April 1 at key location

1 day ago

Winter Weather

French vineyards light hundreds of fires to fight off a spring freeze

4 days ago

Weather News

Three killed in Germany when wind fells tree during Easter egg hunt

1 day ago
World North America United States Wisconsin Sullivan

Weather Near Sullivan:

  • Kenosha, WI
  • Milwaukee, WI
  • Racine, WI
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 Winter Center
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 Winter Center
© 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

...

...

...