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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Petersburg, IN
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May
Average Temperature
High
25°
Feels 25
Low
14°
Feels 13
Average Precipitation
13 Days
Rain amount
112.3mm
Snow amount
0cm
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Daily Historical Averages
May 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
28°
19
29°
20
21°
21
20°
22
21°
23
24°
24
27°
25
22°
26
25°
27
27°
28
24°
29
25°
30
25°
31
23°
Forecast
Monday, May 18, 2026
Day
28°
Feels 31
Wind
22 km/h S
Gust
32 km/h
Humidity
68%
P.O.P
60%
Rain
1-3 mm
Night
21°
Feels 21
Wind
18 km/h S
Gust
28 km/h
Humidity
87%
P.O.P
30%
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.