Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather threatens Missouri through Ohio. See the latest forecast. Chevron right
How much longer will the record heat last in the Southwest? See the forecast. Chevron right

Jefferson, IA

40°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Jefferson

Iowa

40°
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
Jefferson, IA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily 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

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

Chevron right

2 AM

41°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSSE 9 mph

Air QualityPoor

Wind Gusts15 mph

Humidity75%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

41°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSSE 9 mph

Air QualityPoor

Wind Gusts14 mph

Humidity80%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

41°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSSE 9 mph

Air QualityPoor

Wind Gusts14 mph

Humidity81%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

41°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSSE 9 mph

Air QualityPoor

Wind Gusts12 mph

Humidity82%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

42°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindS 8 mph

Air QualityPoor

Wind Gusts10 mph

Humidity83%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling26100 ft

7 AM

43°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindS 8 mph

Air QualityPoor

Wind Gusts10 mph

Humidity82%

Indoor Humidity32% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling24200 ft

8 AM

43°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™39°

WindS 9 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts10 mph

Humidity85%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling21000 ft

9 AM

48°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™42°

WindS 9 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts12 mph

Humidity79%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

55°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindSSW 10 mph

Air QualityPoor

Max UV Index2.5 (Moderate)

Wind Gusts13 mph

Humidity68%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

61°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™57°

WindSSW 10 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts13 mph

Humidity59%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

65°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™62°

WindS 10 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts13 mph

Humidity53%

Indoor Humidity48% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

68°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindS 10 mph

Air QualityPoor

Max UV Index4.3 (Moderate)

Wind Gusts13 mph

Humidity50%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

71°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™68°

WindSSW 10 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts12 mph

Humidity46%

Indoor Humidity46% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

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

RealFeel Shade™71°

WindSW 10 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts12 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

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

RealFeel Shade™73°

WindWSW 9 mph

Air QualityPoor

Max UV Index2.5 (Moderate)

Wind Gusts12 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

78°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™75°

WindWSW 8 mph

Air QualityPoor

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity39%

Indoor Humidity39% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

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

RealFeel Shade™74°

WindW 6 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts7 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

73°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™70°

WindWNW 5 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts6 mph

Humidity48%

Indoor Humidity48% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity55%

Indoor Humidity55% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

64°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity65%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindW 6 mph

Air QualityUnhealthy

Wind Gusts7 mph

Humidity72%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 7 mph

Air QualityUnhealthy

Wind Gusts8 mph

Humidity78%

Indoor Humidity55% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

Further Ahead

Tomorrow

Friday

Daily

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Florida has been the “driest in decades” as widespread drought worsens

16 hours ago

Weather News

Second kona storm brings floods, evacuations, renewed damage to Hawaii

12 hours ago

Weather Forecasts

How long will the record heat wave last in the western U.S.?

13 hours ago

Severe Weather

Midwest poised for more severe weather, flooding downpours

12 hours ago

Astronomy

Bright fireball shakes Houston area homes, crashes through roof

1 day ago

 More Stories

Featured Stories

Travel

2 killed, dozens injured after Air Canada flight hits fire truck on ru...

1 day ago

Recreation

When will DC cherry blossoms reach peak bloom? Very soon, experts say

10 hours ago

Weather News

First tornado forecast: Scientists who dared to forecast 'act of God'

16 hours ago

Weather News

Hummingbird migration underway in the US

11 hours ago

Astronomy

Hubble caught a comet breaking apart by accident

4 days ago
World North America United States Iowa Jefferson

Weather Near Jefferson:

  • Ames, IA
  • Des Moines, IA
  • West Des Moines, IA
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

...

...

...