Ascension Parish weather, town by town
6 places in Ascension Parish, Louisiana, 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.
Ascension Parish Weather Facts
Ascension Parish has 6 places on myweatherrock (3 census-designated places, 2 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 105°F at Donaldsonville 4 Sw on August 28, 2023. The coldest night is 3°F at Donaldsonville 4 Sw on February 13, 1899. The wettest day brought 14.47 inches of rain at Donaldsonville 4 Sw on August 26, 1926. The biggest single-day snow measured 7.99 inches at Donaldsonville 4 Sw on December 29, 1901. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Prairieville, about 22 square miles.
About Ascension Parish weather
The map on the Now tab shows every Ascension Parish 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 Ascension Parish towns with station normals, the warmest month is August, when the day usually reaches 91°F, and the coldest is January, when the night usually falls to 42°F. July is the wettest, with rain on about 13 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.
Ascension Parish weather records
Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
Common questions about Ascension Parish weather
- What is the hottest temperature recorded at a Ascension Parish station?
- 105°F at Donaldsonville 4 Sw on August 28, 2023, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a Ascension Parish station?
- 3°F at Donaldsonville 4 Sw on February 13, 1899.
- What is the most rain a Ascension Parish station has measured in one day?
- 14.47 inches at Donaldsonville 4 Sw on August 26, 1926.
- What is the biggest one-day snowfall at a Ascension Parish station?
- 7.99 inches at Donaldsonville 4 Sw on December 29, 1901.
- How many Ascension Parish towns have a weather page here?
- 6: 3 census-designated places, 2 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 Ascension Parish 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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