Washington County weather, town by town
61 places in Washington 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 1899 to 2026. Station extremes, not official state records.
Washington County Weather Facts
Washington County has 61 places on myweatherrock (52 census-designated places, 8 towns, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 112°F at Martinsburg E W Virginia Rgnl on July 11, 1936. The coldest night is -27°F at Hagerstown 1E on January 13, 1912. The wettest day brought 8.26 inches of rain at Purcellville on June 21, 1972. The biggest single-day snow measured 35.98 inches at Purcellville on January 24, 2016. Those are station measurements from NOAA's daily records, 1899 to 2026, not official state records. By area the largest place is Hagerstown, about 13 square miles.
About Washington County weather
The map on the Now tab shows every Washington 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 54 Washington County towns with station normals, the warmest month is July, when the day usually reaches 86°F, and the coldest is January, when the night usually falls to 24°F. May is the wettest, with rain on about 13 days. July afternoons run from about 83°F in Edgemont to 88°F in Sandy Hook. January nights run from about 21°F in Hancock to 24°F in Antietam.
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.
Washington County weather records
Measured at the NOAA stations serving these towns, daily records 1899 to 2026. Station extremes, not official state records.
Common questions about Washington County weather
- What is the hottest temperature recorded at a Washington County station?
- 112°F at Martinsburg E W Virginia Rgnl on July 11, 1936, in the NOAA daily station records myweatherrock holds (1899 to 2026).
- What is the coldest temperature recorded at a Washington County station?
- -27°F at Hagerstown 1E on January 13, 1912.
- What is the most rain a Washington County station has measured in one day?
- 8.26 inches at Purcellville on June 21, 1972.
- What is the biggest one-day snowfall at a Washington County station?
- 35.98 inches at Purcellville on January 24, 2016.
- How many Washington County towns have a weather page here?
- 61: 52 census-designated places, 8 towns, 1 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 Washington 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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