Willacy County weather, town by town
10 places in Willacy 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 1910 to 2026. Station extremes, not official state records.
Willacy County Weather Facts
Willacy County has 10 places on myweatherrock (7 census-designated places, 3 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 109°F at Raymondville on June 6, 1916. The coldest night is 14°F at Raymondville on January 12, 1962. The wettest day brought 10.64 inches of rain at Harlingen Rio Grande Vly Intl on July 26, 2020. The biggest single-day snow measured 3.5 inches at Raymondville on December 25, 2004. Those are station measurements from NOAA's daily records, 1910 to 2026, not official state records. By area the largest place is Port Mansfield, about 5 square miles.
About Willacy County weather
The map on the Now tab shows every Willacy 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 10 Willacy County towns with station normals, the warmest month is August, when the day usually reaches 96°F, and the coldest is January, when the night usually falls to 49°F. September is the wettest, with rain on about 9 days. August afternoons run from about 91°F in Port Mansfield to 97°F in Lasara.
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.
Willacy County weather records
Measured at the NOAA stations serving these towns, daily records 1910 to 2026. Station extremes, not official state records.
Common questions about Willacy County weather
- What is the hottest temperature recorded at a Willacy County station?
- 109°F at Raymondville on June 6, 1916, in the NOAA daily station records myweatherrock holds (1910 to 2026).
- What is the coldest temperature recorded at a Willacy County station?
- 14°F at Raymondville on January 12, 1962.
- What is the most rain a Willacy County station has measured in one day?
- 10.64 inches at Harlingen Rio Grande Vly Intl on July 26, 2020.
- What is the biggest one-day snowfall at a Willacy County station?
- 3.5 inches at Raymondville on December 25, 2004.
- How many Willacy County towns have a weather page here?
- 10: 7 census-designated places, 3 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 Willacy 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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