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Chestnut, IL

69°F
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Chestnut

Illinois

69°
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Chestnut, 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
Wind Advisory

August

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
26
A shower and thunderstorm
85°
67°
27
Couple of thunderstorms
83°
62°
28
Sunny
83°
62°
29
A few afternoon showers
84°
68°
30
Mostly sunny
85°
62°
31
Mostly sunny
84°
67°
1
Mostly sunny and humid
88°
63°
2
A shower and t-storm; humid
85°
61°
3
A little morning rain; cloudy
84°
60°
4
Sunny to partly cloudy
81°
60°
5
Mostly sunny
82°
61°
6
Partly sunny
82°
60°
7
A blend of sun and clouds
83°
60°
8
Sunshine and a few clouds
83°
61°
9
Sunshine
84°
66°
10
Morning rain, then t-storms
82°
65°
11
A shower and t-storm; humid
84°
66°
12
Humid with a few showers
86°
67°
13
Humid with a t-storm or two
86°
67°
14
Humid; a morning t-storm
89°
63°
15
A t-storm around in the a.m.
89°
59°
16
Not as warm with some sun
83°
60°
17
More sun than clouds
82°
65°
18
Humid; a stray p.m. t-shower
84°
60°
19
A couple of morning t-storms
87°
58°
20
Partly sunny and less humid
81°
57°
21
Sun and some clouds
81°
57°
22
Partial sunshine
82°
58°
23
Mostly sunny and humid
83°
62°
24
Mostly sunny and humid
87°
64°
25
Mostly sunny and humid
86°
62°
26
Partly sunny and humid
87°
58°
27
A touch of morning rain
81°
57°
28
Increasing amounts of sun
80°
56°
29
Partly sunny
80°
63°
30
Partly sunny and humid
83°
63°
31
Couple of thunderstorms
86°
62°
1
Humid with a t-storm in spots
86°
62°
2
A shower and t-storm; humid
85°
61°
3
Humid with clouds and sun
83°
62°
4
Humid with thunderstorms
81°
61°
5
Humid with a t-storm or two
80°
61°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
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

August Weather in Chestnut

Chestnut's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 56° and 68°. The average high for August is 84° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Chestnut. See also: September | October | November.

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World North America United States Illinois Chestnut

Weather Near Chestnut:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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