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Antioch, IL

71°F
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71°
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Antioch, 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
92°
71°
27
86°
68°
28
77°
63°
29
80°
57°
30
86°
56°
31
77°
62°
1
68°
66°
2
75°
66°
3
79°
60°
4
84°
61°
5
76°
66°
6
77°
63°
7
85°
65°
8
81°
61°
9
76°
58°
10
82°
69°
11
79°
68°
12
83°
66°
13
75°
64°
14
79°
64°
15
78°
69°
16
Humid with a shower or two
84°
64°
17
Periods of sun; less humid
78°
61°
18
A t-storm around in the p.m.
78°
64°
19
Partly sunny and pleasant
78°
55°
20
Mostly sunny and pleasant
80°
57°
21
A passing afternoon shower
80°
64°
22
Mostly sunny and humid
78°
59°
23
Sunshine and less humid
74°
60°
24
Partial sunshine
75°
61°
25
A stray morning shower; humid
78°
65°
26
Partly sunny and humid
80°
64°
27
Partly sunny and less humid
81°
65°
28
Mostly sunny
83°
66°
29
Times of clouds and sun
80°
61°
30
Mostly sunny
81°
64°
31
Periods of rain
73°
62°
1
Rain
73°
65°
2
A little morning rain
74°
61°
3
Mostly sunny and less humid
72°
58°
4
Sunshine
73°
59°
5
Mostly cloudy
75°
61°

Temperature Graph

°F
90° 82° 74° 66° 58° Aug
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

August Weather in Antioch

Antioch's August 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 55° and 66°. The average high for August is 78° 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 Antioch. See also: September | October | November.

Further Ahead

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November 2026

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Weather Near Antioch:

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