Monthly Historical AveragesDelta, PA
Average Temperature
High
30°
Feels 32
Low
19°
Feels 19
Average Precipitation
13 Days
99.9mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, July 21, 2026
Day
26°Feels 26
Wind
23 km/h S
Gust
35 km/h
Humidity
70%
P.O.P
70%
Rain
2-4 mm
Night
20°Feels 20
Wind
22 km/h SW
Gust
33 km/h
Humidity
100%
P.O.P
60%
Rain
~5 mm
Historical AveragesJul 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity