Fannin County weather, town by town
11 places in Fannin County, Texas, 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 1900 to 2026. Station extremes, not official state records.
Fannin County Weather Facts
Fannin County has 11 places on myweatherrock (8 cities, 3 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 116°F at Greenville Kgvl Radio on August 10, 1936. The coldest night is -5°F at Bonham 3Nne on February 18, 1910. The wettest day brought 13.3 inches of rain at Bonham 3Nne on July 3, 1903. The biggest single-day snow measured 7.01 inches at Mckinney Muni Ap on January 16, 1964. Those are station measurements from NOAA's daily records, 1900 to 2026, not official state records. By area the largest place is Bonham, about 10 square miles.
About Fannin County weather
The map on the Now tab shows every Fannin 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 11 Fannin County towns with station normals, the warmest month is August, when the day usually reaches 94°F, and the coldest is January, when the night usually falls to 32°F. March is the wettest, with rain on about 8 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.
Fannin County weather records
Measured at the NOAA stations serving these towns, daily records 1900 to 2026. Station extremes, not official state records.
Common questions about Fannin County weather
- What is the hottest temperature recorded at a Fannin County station?
- 116°F at Greenville Kgvl Radio on August 10, 1936, in the NOAA daily station records myweatherrock holds (1900 to 2026).
- What is the coldest temperature recorded at a Fannin County station?
- -5°F at Bonham 3Nne on February 18, 1910.
- What is the most rain a Fannin County station has measured in one day?
- 13.3 inches at Bonham 3Nne on July 3, 1903.
- What is the biggest one-day snowfall at a Fannin County station?
- 7.01 inches at Mckinney Muni Ap on January 16, 1964.
- How many Fannin County towns have a weather page here?
- 11: 8 cities, 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 Fannin 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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