Frederick, US-Maryland – Weather Tomorrow September 17

Thursday, September 17
Night 02:00am – 08:00am fair
19° 21° 66° 70°
fair
S 9 km/h 6 mph
Morning 08:00am – 02:00pm fair
23° 32° 73° 90°
fair
SW 6 km/h 4 mph
Afternoon 02:00pm – 08:00pm rain showers
25° 33° 77° 91°
rain showers
SW 13 km/h 8 mph
Evening 08:00pm – 02:00am rain showers
23° 24° 73° 75°
rain showers
NW 11 km/h 7 mph

Weather Tomorrow – Summary

Tomorrow, on Thursday morning fair, during the day rain showers, evening rain showers. Temperature: 19° to 33°C66° to 91°F. Wind: 6 to 13 km/h4 to 8 mph.

Data source: MET Norway — Last updated: Sep 16, 2026, 17:00 UTC