Monthly Historical AveragesSouthwest, PA
Average Temperature
High
17°
Feels 16
Low
5°
Feels 3
Average Precipitation
12 Days
60.7mm
0.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 19, 2026
Day
11°Feels 8
Wind
29 km/h W
Gust
61 km/h
Humidity
35%
P.O.P
70%
Rain
~1 mm
Night
1°Feels -3
Wind
18 km/h W
Gust
41 km/h
Humidity
81%
P.O.P
70%
Rain
1-3 mm
Historical AveragesApr 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity