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Middletown, IL

70°F
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Middletown

Illinois

70°
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Middletown, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Monthly

Air Quality Health & Activities

October

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
27
79°
52°
28
78°
42°
29
83°
43°
30
76°
61°
1
83°
61°
2
72°
46°
3
74°
42°
4
78°
41°
5
74°
40°
6
76°
40°
7
85°
48°
8
81°
43°
9
85°
46°
10
81°
52°
11
82°
44°
12
89°
56°
13
90°
62°
14
78°
63°
15
A shower and t-storm; humid
72°
48°
16
A couple of afternoon showers
56°
36°
17
Plenty of sunshine
57°
37°
18
Plenty of sunshine
65°
40°
19
More sun than clouds
67°
44°
20
Partly sunny and pleasant
72°
43°
21
Sunny, nice and warm
74°
48°
22
Sunshine
70°
47°
23
Brilliant sunshine
70°
49°
24
A sun-and-cloud mix
68°
46°
25
Partly sunny
63°
44°
26
Decreasing clouds
64°
43°
27
Plenty of sunshine
64°
44°
28
Plenty of sunshine
61°
38°
29
Clouds and sunshine
54°
39°
30
Mostly sunny
57°
39°
31
Sunny
58°
41°

Temperature Graph

°F
90° 78° 66° 54° 42° Oct
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

October Weather in Middletown

Middletown's October 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 36° and 49°. The average high for October is 64° with an average low of 43°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Middletown. See also: November | December | January.

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World North America United States Illinois Middletown

Weather Near Middletown:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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