Monthly Historical AveragesGrand Valley, PA
Average Temperature
High
21°
Feels 21
Low
8°
Feels 6
Average Precipitation
12 Days
89.9mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, May 23, 2026
Day
10°Feels 7
Wind
32 km/h SE
Gust
48 km/h
Humidity
87%
P.O.P
100%
Rain
15-20 mm
Night
10°Feels 7
Wind
30 km/h SE
Gust
45 km/h
Humidity
100%
P.O.P
70%
Rain
1-3 mm
Historical AveragesMay 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity