Grayson County weather, town by town
6 places in Grayson County, Virginia, 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 1896 to 2026. Station extremes, not official state records.
Grayson County Weather Facts
Grayson County has 6 places on myweatherrock (3 census-designated places, 3 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 98°F at Jefferson 2 E on August 21, 1925. The coldest night is -20°F at Jefferson 2 E on December 30, 1917. The wettest day brought 10.23 inches of rain at Sparta 3.5 Ssw on September 27, 2024. The biggest single-day snow measured 19.49 inches at Sparta 3.5 Ssw on January 28, 1998. Those are station measurements from NOAA's daily records, 1896 to 2026, not official state records. By area the largest place is Baywood, about 3 square miles.
About Grayson County weather
The map on the Now tab shows every Grayson 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 6 Grayson County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is January, when the night usually falls to 23°F. July is the wettest, with rain on about 14 days.
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.
Grayson County weather records
Measured at the NOAA stations serving these towns, daily records 1896 to 2026. Station extremes, not official state records.
Common questions about Grayson County weather
- What is the hottest temperature recorded at a Grayson County station?
- 98°F at Jefferson 2 E on August 21, 1925, in the NOAA daily station records myweatherrock holds (1896 to 2026).
- What is the coldest temperature recorded at a Grayson County station?
- -20°F at Jefferson 2 E on December 30, 1917.
- What is the most rain a Grayson County station has measured in one day?
- 10.23 inches at Sparta 3.5 Ssw on September 27, 2024.
- What is the biggest one-day snowfall at a Grayson County station?
- 19.49 inches at Sparta 3.5 Ssw on January 28, 1998.
- How many Grayson County towns have a weather page here?
- 6: 3 census-designated places, 3 towns. 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 Grayson 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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