Castro County weather, town by town
4 places in Castro 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 1905 to 2026. Station extremes, not official state records.
Castro County Weather Facts
Castro County has 4 places on myweatherrock (3 cities, 1 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 111°F at Dimmitt on July 4, 1983. The coldest night is -17°F at Hereford on February 1, 1951. The wettest day brought 5.3 inches of rain at Hereford on July 17, 1950. The biggest single-day snow measured 15.98 inches at Dimmitt on January 21, 1983. Those are station measurements from NOAA's daily records, 1905 to 2026, not official state records. By area the largest place is Dimmitt, about 3 square miles.
About Castro County weather
The map on the Now tab shows every Castro 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 4 Castro County towns with station normals, the warmest month is July, when the day usually reaches 92°F, and the coldest is January, when the night usually falls to 22°F. August 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.
Castro County weather records
Measured at the NOAA stations serving these towns, daily records 1905 to 2026. Station extremes, not official state records.
Common questions about Castro County weather
- What is the hottest temperature recorded at a Castro County station?
- 111°F at Dimmitt on July 4, 1983, in the NOAA daily station records myweatherrock holds (1905 to 2026).
- What is the coldest temperature recorded at a Castro County station?
- -17°F at Hereford on February 1, 1951.
- What is the most rain a Castro County station has measured in one day?
- 5.3 inches at Hereford on July 17, 1950.
- What is the biggest one-day snowfall at a Castro County station?
- 15.98 inches at Dimmitt on January 21, 1983.
- How many Castro County towns have a weather page here?
- 4: 3 cities, 1 census-designated places. 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 Castro 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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