Monthly Historical AveragesPetersburg, AK
Average Temperature
High
5°
Feels 3
Low
-2°
Feels -5
Average Precipitation
16 Days
139mm
14.8cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
6°Feels 4
Wind
10 km/h S
Gust
15 km/h
Humidity
70%
P.O.P
70%
Rain
1-3 mm
Night
1°Feels -1
Wind
8 km/h W
Gust
12 km/h
Humidity
93%
P.O.P
40%
Rain
<1 mm
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity