Monthly Historical AveragesBethlehem, PA
Average Temperature
High
27°
Feels 28
Low
16°
Feels 16
Average Precipitation
11 Days
83.3mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, June 18, 2026
Day
31°Feels 32
Wind
33 km/h S
Gust
50 km/h
Humidity
49%
P.O.P
80%
Rain
1-3 mm
Night
18°Feels 18
Wind
30 km/h W
Gust
45 km/h
Humidity
77%
P.O.P
20%
Historical AveragesJun 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity