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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sullivan, IN
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October
Average Temperature
High
20°
Feels 20
Low
8°
Feels 7
Average Precipitation
8 Days
Rain amount
62.1mm
Snow amount
0.1cm
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Daily Historical Averages
October 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
23°
22
22°
23
22°
24
22°
25
24°
26
23°
27
22°
28
22°
29
20°
30
14°
31
17°
Forecast
Wednesday, October 21, 2026
Day
23°
Feels 23
Wind
6 km/h E
Gust
9 km/h
Humidity
30%
P.O.P
0%
Night
9°
Feels 9
Wind
6 km/h NE
Gust
9 km/h
Humidity
81%
P.O.P
0%
Historical Averages
Oct 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.