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Seneca, IL

57°F
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Seneca

Illinois

57°
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Seneca, 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

November

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
1
68°
51°
2
A.M. sprinkles, then a shower
66°
62°
3
Windy with a shower or two
72°
58°
4
Cooler; an a.m. shower or two
62°
50°
5
Cloudy with a passing shower
59°
44°
6
A couple of showers possible
54°
40°
7
Mostly cloudy
53°
39°
8
A couple of morning showers
53°
39°
9
Partly sunny
54°
38°
10
Mostly cloudy
56°
36°
11
Mostly sunny
55°
39°
12
Sun through high clouds
54°
40°
13
Sun through high clouds
57°
42°
14
Cloudy
55°
43°
15
Partly sunny
51°
30°
16
Thickening clouds
49°
34°
17
Partial sunshine
55°
39°
18
Mostly sunny
56°
38°
19
Occasional afternoon rain
53°
37°
20
Rain
50°
32°
21
Remaining cloudy and cooler
40°
28°
22
Mostly cloudy
38°
24°
23
Turning cloudy
37°
23°
24
Cloudy
38°
32°
25
Decreasing clouds
39°
27°
26
Thickening clouds
40°
26°
27
Some sun, then clouds
40°
25°
28
Afternoon rain
44°
33°
29
Considerable cloudiness
47°
34°
30
Cloudy
48°
33°
1
Cloudy with afternoon rain
47°
31°
2
Remaining cloudy
45°
31°
3
Clouds and sun
43°
30°
4
Decreasing clouds
46°
31°
5
A little afternoon rain
45°
31°

Temperature Graph

°F
80° 68° 56° 44° 32° Nov
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
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

November Weather in Seneca

Seneca's November 2026 forecast shows daily high temperatures ranging from 37° to 72°, with overnight lows between 23° and 62°. The average high for November is 50° with an average low of 36°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how November weather will actually feel in Seneca. See also: December | January | February.

Further Ahead

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January 2027

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World North America United States Illinois Seneca

Weather Near Seneca:

  • Chicago, IL
  • Joliet, IL
  • Naperville, IL
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