Monthly Historical AveragesMendham, NJ
Average Temperature
High
22°
Feels 22
Low
10°
Feels 10
Average Precipitation
12 Days
74.7mm
0cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 25, 2026
Day
22°Feels 22
Wind
11 km/h W
Gust
17 km/h
Humidity
73%
P.O.P
60%
Rain
1-3 mm
Night
14°Feels 13
Wind
15 km/h N
Gust
23 km/h
Humidity
94%
P.O.P
30%
Historical AveragesMay 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity