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Centralia, IL

63°F
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Centralia

Illinois

63°
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Centralia, 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
A couple of showers
84°
60°
29
Partly sunny and less humid
82°
61°
30
Sunshine and a few clouds
83°
62°
1
Mostly sunny
86°
66°
2
Humid with showers around
88°
66°
3
A shower and t-storm; humid
87°
65°
4
Humid with a t-storm in spots
86°
65°
5
Humid with a few showers
88°
68°
6
Couple of thunderstorms
90°
69°
7
A t-storm around in the p.m.
91°
69°
8
Partly sunny and humid
91°
68°
9
A t-storm around in the p.m.
90°
69°
10
Humid with a t-storm or two
88°
69°
11
Humid with a t-storm in spots
89°
68°
12
A couple of t-storms; humid
89°
65°
13
Humid with a t-storm in spots
85°
63°
14
Cloudy, thunderstorms; humid
82°
62°
15
Mostly cloudy and humid
83°
63°
16
Mostly sunny and humid
84°
62°
17
Partly sunny and humid
85°
62°
18
Humid with plenty of sunshine
89°
63°
19
Humid with abundant sunshine
88°
62°
20
A shower and t-storm; humid
84°
63°
21
Partly sunny
85°
67°
22
An afternoon t-storm or two
85°
63°
23
Humid with clouds and sun
84°
65°
24
Partly sunny and humid
87°
69°
25
Humid; a p.m. t-storm or two
92°
69°
26
Humid with a t-storm in spots
91°
65°
27
Mostly sunny and humid
92°
69°
28
Humid with a t-storm or two
87°
66°
29
Hist. Avg.
87°
66°
30
Hist. Avg.
87°
66°
31
Hist. Avg.
87°
66°
1
Hist. Avg.
87°
66°

Temperature Graph

°F
100° 92° 84° 76° 68° Jul
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
*Temporarily Unavailable

July Weather in Centralia

Centralia's July 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 60° and 69°. The average high for July is 87° with an average low of 65°. 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 Centralia. See also: August | September | October.

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