Monthly Historical AveragesSunbury, PA
Average Temperature
High
23°
Feels 23
Low
11°
Feels 10
Average Precipitation
13 Days
82.8mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 20, 2026
Day
30°Feels 31
Wind
16 km/h W
Gust
24 km/h
Humidity
49%
P.O.P
60%
Rain
~5 mm
Night
13°Feels 11
Wind
17 km/h N
Gust
26 km/h
Humidity
88%
P.O.P
70%
Rain
1-3 mm
Historical AveragesMay 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity