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Dawson, IL

82°F
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Dawson

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Dawson, 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

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
Sunny, hot and humid
91°
70°
27
Decreasing clouds; hot, humid
90°
70°
28
An afternoon t-storm; humid
89°
69°
29
Humid with sunshine
89°
69°
30
Turning cloudy and less humid
84°
68°
31
A morning thundershower
83°
67°
1
Sun followed by clouds
82°
67°
2
Partly sunny and humid
82°
68°
3
Humid with plenty of sunshine
85°
68°
4
Sunny and less humid
84°
63°
5
Sunny to partly cloudy
83°
64°
6
Plenty of sunshine
82°
62°
7
A little afternoon rain
85°
67°
8
Showers around in the morning
81°
66°
9
Gleaming sunshine
81°
65°
10
Mostly sunny
82°
66°
11
Sunny and humid
84°
66°
12
Mostly sunny and humid
85°
67°
13
Decreasing clouds and humid
85°
67°
14
Turning cloudy and humid
87°
66°
15
A shower and thunderstorm
85°
68°
16
Mostly cloudy and humid
87°
67°
17
Humid with clouds and sun
81°
66°
18
Mostly sunny and humid
86°
66°
19
Mostly sunny and humid
87°
65°
20
Brilliant sunshine and humid
86°
66°
21
Increasing clouds; less humid
78°
55°
22
Rather cloudy
78°
57°
23
Sunny to partly cloudy
79°
57°
24
Cloudy
78°
59°
25
Sunny spells
80°
64°
26
Partly sunny and humid
85°
63°
27
Mostly sunny and humid
87°
65°
28
Mostly sunny and humid
87°
65°
29
Sunny, warm and humid
88°
59°
30
Thunderstorms
87°
55°
31
Partly sunny and not as warm
79°
58°
1
Mostly sunny
79°
59°
2
An afternoon t-storm or two
81°
63°
3
A stray afternoon t-shower
87°
64°
4
Partly sunny, warm and humid
87°
63°
5
A stray afternoon t-storm
88°
56°

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 Dawson

Dawson's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 55° and 70°. The average high for August is 84° with an average low of 64°. 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 Dawson. See also: September | October | November.

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Weather Near Dawson:

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  • Decatur, IL
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