Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe weather outbreak about to unfold in the Midwest. Click for the forecast. Chevron right
Tropical rainstorm may strengthen into Arthur. Click to see where it’s headed. Chevron right

Sumner, IA

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Sumner

Iowa

56°
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
Sumner, IA 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

9 AM

57°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 71%
Chevron down
Thunderstorms

RealFeel Shade™47°

WindSE 18 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts22 mph

Humidity98%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Rain0.04 in

Visibility10 mi

Cloud Ceiling2300 ft

10 AM

58°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 79%
Chevron down
Thunderstorms

RealFeel Shade™47°

WindSE 18 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts22 mph

Humidity94%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.17 in

Visibility4 mi

Cloud Ceiling1100 ft

11 AM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

RealFeel Shade™53°

WindSE 17 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts22 mph

Humidity94%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1500 ft

12 PM

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

RealFeel Shade™57°

WindSSE 14 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts20 mph

Humidity94%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

1 PM

63°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 60%
Chevron down
Thunderstorms

RealFeel Shade™56°

WindSSE 13 mph

Air QualityFair

Max UV Index2.5 (Low)

Wind Gusts16 mph

Humidity93%

Indoor Humidity79% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.17 in

Visibility4 mi

Cloud Ceiling2000 ft

2 PM

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

RealFeel Shade™60°

WindSW 12 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts14 mph

Humidity87%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Rain0.18 in

Visibility4 mi

Cloud Ceiling2000 ft

3 PM

70°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™67°

WindWSW 15 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts21 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point64° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling13100 ft

4 PM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™69°

WindW 17 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts37 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point64° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling18500 ft

5 PM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™70°

WindW 17 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts35 mph

Humidity70%

Indoor Humidity70% (Humid)

Dew Point63° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling17200 ft

6 PM

72°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Mostly cloudy

RealFeel Shade™68°

WindWNW 16 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts33 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling15900 ft

7 PM

70°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 65%
Chevron down
Thunderstorms

RealFeel Shade™63°

WindWNW 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts32 mph

Humidity82%

Indoor Humidity82% (Humid)

Dew Point64° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Rain0.18 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Intermittent clouds

RealFeel Shade™65°

WindWNW 16 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts29 mph

Humidity84%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

66°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Intermittent clouds

WindWNW 16 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity84%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

10 PM

64°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Intermittent clouds

WindNW 15 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity82%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling14700 ft

11 PM

62°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Intermittent clouds

WindNW 14 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity87%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling12800 ft

Hourly Weather Forecast for Sumner

AccuWeather's hourly forecast for Sumner provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 57° with a RealFeel® of 47°, thunderstorms with a 71% 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

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Tropical rainstorm near the Texas coast forecast to become Arthur

42 minutes ago

Severe Weather

New severe weather outbreak with tornadoes looms for Midwest

18 minutes ago

Astronomy

Moon to align with 3 planets in the nights before the summer solstice

1 day ago
Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Rain could bog down next match in Toronto

17 hours ago

Climate

El Niño could trigger marine heat waves, threatening wildlife

17 hours ago

 More Stories

Featured Stories

Health

Pickle is the pumpkin spice of summer

1 day ago

Climate

A mysterious ‘cold blob’ in the ocean has puzzled scientists

4 days ago

Weather News

Submersible ride revealed whale graveyard. It holds more than bones

1 day ago

Weather News

Driver, dog rescued after clinging to tree for hours

4 days ago

Hurricane

Past El Niño Atlantic hurricane seasons still had devastating storms

6 days ago
World North America United States Iowa Sumner

Weather Near Sumner:

  • Cedar Rapids, IA
  • Iowa City, IA
  • Waterloo, 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

...

...

...