Howard County weather, town by town
11 places in Howard 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 1939 to 2026. Station extremes, not official state records.
Howard County Weather Facts
Howard County has 11 places on myweatherrock (10 census-designated places, 1 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 Baltimore-Washington Intl Ap on July 22, 2011. The coldest night is -15°F at Beltsville on January 18, 1957. The wettest day brought 7.7 inches of rain at Ellicott City 1.3 Wsw on September 8, 2011. The biggest single-day snow measured 32.01 inches at Elkridge 1.8 W on February 6, 2010. Those are station measurements from NOAA's daily records, 1939 to 2026, not official state records. By area the largest place is Columbia, about 32 square miles.
About Howard County weather
The map on the Now tab shows every Howard 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 7 Howard 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 12 days. July afternoons run from about 84°F in Lisbon to 88°F in District 2, Ellicott.
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.
Howard County weather records
Measured at the NOAA stations serving these towns, daily records 1939 to 2026. Station extremes, not official state records.
Common questions about Howard County weather
- What is the hottest temperature recorded at a Howard County station?
- 106°F at Baltimore-Washington Intl Ap on July 22, 2011, in the NOAA daily station records myweatherrock holds (1939 to 2026).
- What is the coldest temperature recorded at a Howard County station?
- -15°F at Beltsville on January 18, 1957.
- What is the most rain a Howard County station has measured in one day?
- 7.7 inches at Ellicott City 1.3 Wsw on September 8, 2011.
- What is the biggest one-day snowfall at a Howard County station?
- 32.01 inches at Elkridge 1.8 W on February 6, 2010.
- How many Howard County towns have a weather page here?
- 11: 10 census-designated places, 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 Howard 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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