For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast.

4th of July forecast: Where will storms disrupt outdoor plans?

Mercer, WI

Location

Location News Videos

Use Current Location

Recent

Mercer

Wisconsin

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.

Have an account already? Log In

settings

Mercer, 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

Hourly

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

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

4 PM

86°

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.

24%

Mostly cloudy

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™84°

Heat Index86°

WindW 8 mph

Air QualityFair

Max UV Index3.7 (Moderate)

Wind Gusts16 mph

Humidity45%

Indoor Humidity45% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

84°

RealFeel® 86°

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.

47%

Mostly cloudy

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™82°

Heat Index85°

WindW 8 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts13 mph

Humidity48%

Indoor Humidity48% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

83°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Thunderstorms

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™81°

Heat Index85°

WindW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity57%

Indoor Humidity57% (Humid)

Dew Point66° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Rain0.07 in

Visibility5 mi

Cloud Ceiling4000 ft

7 PM

80°

RealFeel® 82°

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.

43%

Mostly cloudy

Heat Advisory

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™80°

Heat Index82°

WindW 6 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity64%

Indoor Humidity64% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

79°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Mostly cloudy w/ t-storms

RealFeel Shade™78°

Heat Index80°

WindWNW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity68%

Indoor Humidity68% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover61%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

9 PM

77°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Mostly cloudy

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling4000 ft

10 PM

74°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindSSE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling23900 ft

11 PM

72°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Thunderstorms

WindSSE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover88%

Rain0.09 in

Visibility5 mi

Cloud Ceiling4000 ft

Hourly Weather Forecast for Mercer

AccuWeather's hourly forecast for Mercer provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 88°, mostly cloudy with a 24% 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

Saturday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Fourth of July week furnace: Dangerous heat dome for 250 million

32 minutes ago

Weather News

America 250 events are being canceled, reshaped as heat dome grips US

8 hours ago

Weather Forecasts

Heat furnace to flip from eastern to western U.S. next week

1 hour ago

Live: World Cup 2026 weather updates

LATEST ENTRY

USA wins first World Cup knockout match in decades, advances to Round of 16

6 hours ago

Severe Weather

Thunderstorms to circle massive heat furnace into Fourth of July

35 minutes ago

Featured Stories

Weather News

2 climbers scale Empire State Building during dangerous heat wave

1 day ago

Astronomy

Asteroid Day marks 1908 impact as scientists ready for new discoveries

2 days ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

2 days ago

Astronomy

A viral sunset and dueling meteor showers are coming in July

2 days ago

Recreation

12-year-old injured by bison in Yellowstone National Park

3 days ago

World North America United States Wisconsin Mercer

Weather Near Mercer:

Duluth, MN
Hibbing, MN
Superior, 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

...

...

...