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Hardin, IL

82°F
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Hardin

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82°
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Hardin, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities

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
98°
76°
1
95°
74°
2
98°
73°
3
98°
73°
4
93°
72°
5
89°
70°
6
A t-storm around in the p.m.
85°
67°
7
Humid with clouds and sun
86°
67°
8
Humid; an afternoon t-storm
89°
69°
9
A shower and t-storm; humid
90°
70°
10
A shower and t-storm; humid
84°
69°
11
Humid with a thunderstorm
83°
66°
12
Mostly sunny and humid
88°
68°
13
Plenty of sun
89°
67°
14
Humid with plenty of sun
91°
68°
15
Plenty of sunshine
89°
67°
16
Partly sunny and hot
95°
70°
17
Mostly sunny and hot
95°
69°
18
Hot with plenty of sunshine
96°
70°
19
Cloudy and not as hot
87°
66°
20
Sun, then clouds; less humid
91°
70°
21
A shower in the morning
87°
68°
22
Mostly sunny
86°
65°
23
Brilliant sunshine
87°
67°
24
Mostly sunny
88°
66°
25
Sunny
86°
69°
26
Mostly sunny
89°
69°
27
Sunny spells
90°
70°
28
Hot with clouds and sunshine
91°
71°
29
Mostly sunny and hot
91°
71°
30
A shower and thunderstorm
90°
70°
31
Plenty of sunshine
90°
71°
1
Hot; an afternoon shower
91°
71°

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 65° and 71°. The average high for July is 89° 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.

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World North America United States Illinois Hardin

Weather Near Hardin:

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