Monthly Historical AveragesIrwin, PA

Average Temperature
High
22°
Feels 22
Low
11°
Feels 10
Average Precipitation
12 Days
Rain amount
81.5mm
Snow amount
0cm
Content continues below

Daily Historical Averages

S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
Mainly sunny
32°Feels 32
Wind
16 km/h SW
Gust
35 km/h
Humidity
41%
P.O.P
10%
Night
Risk of strong thunderstorms
20°Feels 20
Wind
16 km/h S
Gust
30 km/h
Humidity
78%
P.O.P
40%
Rain
<1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
Content continues below