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Bartonville, IL

79°F
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Bartonville

Illinois

79°
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Bartonville, 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
89°
72°
27
95°
77°
28
85°
71°
29
85°
63°
30
85°
60°
31
75°
69°
1
72°
66°
2
80°
64°
3
84°
62°
4
87°
65°
5
81°
67°
6
80°
68°
7
85°
65°
8
84°
68°
9
88°
68°
10
93°
77°
11
Humid with a t-storm or two
88°
73°
12
Humid with a heavy t-storm
84°
72°
13
Humid with a heavy t-storm
84°
69°
14
A t-storm around in the a.m.
84°
73°
15
Humid with a thunderstorm
89°
74°
16
Humid with a t-storm in spots
85°
68°
17
Mostly sunny and humid
81°
65°
18
Abundant sunshine
82°
67°
19
Partly sunny and humid
85°
68°
20
Mostly sunny
87°
68°
21
Humid with clouds and sun
83°
65°
22
Partly sunny and humid
83°
64°
23
A t-storm around in the a.m.
82°
63°
24
Increasing clouds
74°
55°
25
Clouds, a shower; humid
82°
69°
26
Mostly sunny and humid
84°
69°
27
Cloudy, warm and very humid
87°
68°
28
Clouds and sun; less humid
86°
67°
29
A little rain; not as warm
81°
64°
30
Occasional morning rain
77°
62°
31
Plenty of sunshine
78°
61°
1
Mostly cloudy
78°
63°
2
Cloudy, humid; p.m. t-storms
79°
67°
3
A shower and t-storm; humid
81°
67°
4
Humid; an afternoon t-storm
85°
66°
5
A shower and thunderstorm
84°
65°

Temperature Graph

°F
100° 90° 80° 70° 60° 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 Bartonville

Bartonville's August 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 55° and 74°. The average high for August is 83° with an average low of 67°. 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 Bartonville. See also: September | October | November.

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