Waller County weather, town by town
7 places in Waller 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 1893 to 2026. Station extremes, not official state records.
Waller County Weather Facts
Waller County has 7 places on myweatherrock (6 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 109°F at Bellville 6Nne on August 28, 2023. The coldest night is 5°F at Bellville 6Nne on February 16, 2021. The wettest day brought 15 inches of rain at Katy City on August 28, 2017. The biggest single-day snow measured 4.02 inches at Katy City on February 13, 1960. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Katy, about 15 square miles.
About Waller County weather
The map on the Now tab shows every Waller 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 Waller County towns with station normals, the warmest month is August, when the day usually reaches 95°F, and the coldest is January, when the night usually falls to 42°F. January is the wettest, with rain on about 8 days. January nights run from about 41°F in Hempstead to 44°F in Brookshire.
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.
Waller County weather records
Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
Common questions about Waller County weather
- What is the hottest temperature recorded at a Waller County station?
- 109°F at Bellville 6Nne on August 28, 2023, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Waller County station?
- 5°F at Bellville 6Nne on February 16, 2021.
- What is the most rain a Waller County station has measured in one day?
- 15 inches at Katy City on August 28, 2017.
- What is the biggest one-day snowfall at a Waller County station?
- 4.02 inches at Katy City on February 13, 1960.
- How many Waller County towns have a weather page here?
- 7: 6 cities, 1 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 Waller 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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