Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Significant September Nor’easter is brewing for the East Coast. Click for details. Chevron right
Hawaii on alert for Tropical Storm Nolo. Click for the forecast. Chevron right

Merrillville, IN

57°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Merrillville

Indiana

57°
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
Merrillville, IN 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

10 AM

59°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 46%
Chevron down
Cloudy

RealFeel Shade™57°

WindE 6 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts7 mph

Humidity81%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

11 AM

61°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 34%
Chevron down
Mostly cloudy

RealFeel Shade™59°

WindE 6 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts7 mph

Humidity73%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling14700 ft

12 PM

63°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™62°

WindE 6 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts7 mph

Humidity69%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

1 PM

64°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 22%
Chevron down
Cloudy

RealFeel Shade™63°

WindE 6 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts7 mph

Humidity66%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling14700 ft

2 PM

64°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™63°

WindENE 7 mph

Air QualityFair

Max UV Index4.4 (Moderate)

Wind Gusts8 mph

Humidity64%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

66°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™63°

WindNE 8 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts9 mph

Humidity62%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

64°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™62°

WindNE 8 mph

Air QualityFair

Max UV Index2.6 (Moderate)

Wind Gusts9 mph

Humidity65%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

64°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™62°

WindNE 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts9 mph

Humidity66%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

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

RealFeel Shade™61°

WindNNE 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts9 mph

Humidity71%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

60°
RealFeel® 59°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity76%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 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

WindNNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity86%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

56°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityPoor

Wind Gusts7 mph

Humidity89%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

57°
RealFeel® 55°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNE 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity89%

Indoor Humidity59% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

WindNE 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity92%

Indoor Humidity58% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Merrillville

AccuWeather's hourly forecast for Merrillville provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 59° with a RealFeel® of 60°, cloudy with a 46% 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

Sunday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Nor’easter to bring major coastal flooding; high winds in New England

1 hour ago

Hurricane

Hurricane Nolo to become a Cat 3; Hawaii bracing for historic deluge

2 hours ago

Weather News

Coastal flooding, powerful surf spread as nor’easter brews

23 hours ago

Hurricane

Hurricane Polo to send tropical downpours into New Mexico, Texas

25 minutes ago

Weather Forecasts

Crisp autumn weekend coming to eastern US away from nor’easter

4 hours ago

 More Stories

Featured Stories

Climate

Water Demand: The double-edged sword of data centers

1 day ago

Astronomy

NASA marks Hubble’s 200,000th orbit around Earth with a stunning image

18 hours ago

Hurricane

Category 5 Hurricane Polo strengthens to 2nd strongest on record

1 day ago

Astronomy

Harvest Moon 2026: When to see September’s full moon

2 hours ago

Recreation

Hiker dies in fall on Washington trail a day after hiker found dead

20 hours ago
World North America United States Indiana Merrillville

Weather Near Merrillville:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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

...

...

...