Montgomery County weather, town by town
58 places in Montgomery County, Maryland, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1941 to 2026. Station extremes, not official state records.
Montgomery County Weather Facts
Montgomery County has 58 places on myweatherrock (39 census-designated places, 12 towns, 4 villages, 3 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Natl Arboretum Dc on July 30, 2011. The coldest night is -19°F at Wfo Sterling on January 22, 1984. The wettest day brought 9.38 inches of rain at Beltsville on August 13, 1955. The biggest single-day snow measured 25 inches at Montgomery Village 1.3 Ssw on February 6, 2010. Those are station measurements from NOAA's daily records, 1941 to 2026, not official state records. By area the largest place is Potomac, about 25 square miles.
About Montgomery County weather
The map on the Now tab shows every Montgomery County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 58 Montgomery County towns with station normals, the warmest month is July, when the day usually reaches 87°F, and the coldest is January, when the night usually falls to 25°F. May is the wettest, with rain on about 11 days. July afternoons run from about 84°F in Barnesville to 90°F in Bethesda. January nights run from about 22°F in Darnestown to 27°F in Takoma Park.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Montgomery County weather records
Measured at the NOAA stations serving these towns, daily records 1941 to 2026. Station extremes, not official state records.
Common questions about Montgomery County weather
- What is the hottest temperature recorded at a Montgomery County station?
- 106°F at Natl Arboretum Dc on July 30, 2011, in the NOAA daily station records myweatherrock holds (1941 to 2026).
- What is the coldest temperature recorded at a Montgomery County station?
- -19°F at Wfo Sterling on January 22, 1984.
- What is the most rain a Montgomery County station has measured in one day?
- 9.38 inches at Beltsville on August 13, 1955.
- What is the biggest one-day snowfall at a Montgomery County station?
- 25 inches at Montgomery Village 1.3 Ssw on February 6, 2010.
- How many Montgomery County towns have a weather page here?
- 58: 39 census-designated places, 12 towns, 4 villages, 3 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Montgomery County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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