Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
Where will there be storms into 4th of July weekend? Click for the forecast. Chevron right

Hardin, IL

79°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Hardin

Illinois

79°
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
Hardin, IL 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
2
Flood Warning

July

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
28
94°
71°
29
94°
74°
30
N/A
1
Mostly sunny, hot and humid
94°
75°
2
A t-storm around in the p.m.
96°
75°
3
Humid with a thunderstorm
92°
74°
4
Humid with clouds and sun
90°
71°
5
Mostly cloudy and humid
89°
70°
6
Humid with a t-storm or two
88°
69°
7
Humid with rain and a t-storm
88°
68°
8
Some rain and a thunderstorm
87°
67°
9
Sunshine and humid
88°
67°
10
Mostly sunny and humid
89°
69°
11
Morning rain, then a shower
87°
68°
12
Times of clouds and sun
91°
69°
13
Mostly sunny
89°
67°
14
Humid with plenty of sun
87°
66°
15
Sunshine
83°
62°
16
Plenty of sunshine
84°
63°
17
Brilliant sunshine
83°
63°
18
Mostly cloudy
85°
67°
19
Cloudy
90°
71°
20
Partly sunny
91°
71°
21
Clouds and sun; hot, humid
91°
70°
22
Humid with partial sunshine
90°
70°
23
A few afternoon showers; hot
91°
71°
24
Hot and humid with some sun
91°
71°
25
Cloudy, hot and very humid
90°
70°
26
Hot and humid with sunshine
91°
71°
27
Lots of sun; hot, humid
92°
71°
28
Sunny, hot and less humid
92°
72°
29
Hot and humid with sunshine
93°
70°
30
Clouds and sun; hot, humid
91°
71°
31
Partly sunny, hot and humid
91°
70°
1
Mostly sunny and less humid
90°
69°

Temperature Graph

°F
100° 92° 84° 76° 68° Jul
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

July Weather in Hardin

Hardin's July 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 62° and 75°. The average high for July is 90° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Hardin. See also: August | September | October.

Further Ahead

August 2026

September 2026

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

1 hour ago

Severe Weather

Thunderstorms to circle massive heat furnace into Fourth of July

1 hour ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

Dangerous heat to impact fans outside Dallas, Atlanta matches

16 hours ago

Weather Forecasts

Fourth of July weather forecast: Heat, storms and smoke ahead

1 hour ago

Weather News

Why heat waves can turn deadly: AccuWeather index tracks intensity

18 hours ago

More Stories

Featured Stories

Astronomy

Asteroid Day marks 1908 impact as scientists ready for new discoveries

17 hours ago

Weather News

Chicks fly from nest of famous California eagles Jackie and Shadow

17 hours ago

Weather News

Venezuela death toll surges as crews search after earthquakes

2 days ago

Recreation

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

1 day ago

Weather News

At least 4 dead in Kentucky floods with more rainfall on the way

2 days ago

World North America United States Illinois Hardin

Weather Near Hardin:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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

...

...

...