Monthly Historical AveragesChevy Chase, MD
Average Temperature
High
24°
Feels 24
Low
13°
Feels 13
Average Precipitation
12 Days
96.3mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, May 20, 2026
Day
34°Feels 34
Wind
11 km/h W
Gust
17 km/h
Humidity
33%
P.O.P
60%
Rain
~5 mm
Night
16°Feels 15
Wind
12 km/h N
Gust
19 km/h
Humidity
96%
P.O.P
70%
Rain
~1 mm
Historical AveragesMay 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity