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Rockwood, IL

85°F
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Rockwood

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Rockwood, 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
Flood Watch

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
93°
72°
27
Sunshine, very warm and humid
93°
71°
28
A few showers in the morning
92°
71°
29
Humid with a t-storm or two
89°
70°
30
Humid with sun and clouds
86°
70°
31
A shower and t-storm; humid
85°
69°
1
Turning cloudy and humid
85°
68°
2
Cloudy and humid
86°
69°
3
Humid with plenty of sunshine
85°
69°
4
Less humid with sunshine
88°
65°
5
Clouding up
87°
68°
6
Plenty of sunshine
85°
66°
7
A thunderstorm in spots
86°
68°
8
A shower and t-storm; humid
83°
69°
9
Brilliant sunshine and humid
84°
66°
10
An afternoon thunderstorm
84°
66°
11
Mostly sunny and humid
85°
65°
12
Sunny and humid
85°
67°
13
Humid with partial sunshine
87°
68°
14
Cloudy and humid
87°
68°
15
Mostly cloudy and humid
90°
69°
16
Mostly sunny and less humid
91°
69°
17
Mostly sunny and humid
90°
68°
18
Humid with some sun
91°
69°
19
Mostly sunny, hot and humid
91°
69°
20
Mostly sunny and less humid
89°
68°
21
Partly sunny and not as warm
82°
57°
22
Intervals of clouds and sun
81°
59°
23
Mostly sunny
83°
60°
24
A little afternoon rain
82°
59°
25
Decreasing clouds
83°
62°
26
Mostly sunny
88°
64°
27
Humid with plenty of sunshine
90°
65°
28
Plenty of sunshine
90°
67°
29
Partly sunny and humid
89°
65°
30
Humid with showers around
90°
57°
31
Not as warm with some sun
81°
58°
1
Sunny and less humid
81°
61°
2
Partial sunshine
88°
64°
3
Sunny and humid
89°
65°
4
Mostly sunny and humid
89°
65°
5
Mostly sunny
90°
61°

Temperature Graph

°F
100° 90° 80° 70° 60° 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 Rockwood

Rockwood's August 2026 forecast shows daily high temperatures ranging from 81° to 93°, with overnight lows between 57° and 72°. The average high for August is 87° with an average low of 66°. 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 Rockwood. See also: September | October | November.

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Weather Near Rockwood:

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