Gaithersburg, US-Maryland – Weather Tomorrow August 21
Friday, August 21
Night
02:00am – 08:00am
17°
18°
63°
64°
mostly clear
NNW 17 km/h
11 mph
Morning
08:00am – 02:00pm
20°
27°
68°
81°
fair
N 13 km/h
8 mph
Afternoon
02:00pm – 08:00pm
24°
27°
75°
81°
partly cloudy
NE 6 km/h
4 mph
Evening
08:00pm – 02:00am
21°
23°
70°
73°
partly cloudy
ESE 9 km/h
6 mph
Weather Tomorrow – Summary
Tomorrow, on Friday morning fair, during the day partly cloudy, evening partly cloudy. Temperature: 17° to 27°C63° to 81°F. Wind: 6 to 17 km/h4 to 11 mph.
Data source: MET Norway — Last updated: Aug 20, 2026, 00:47 UTC