Harrison County weather, town by town
9 places in Harrison County, Mississippi, 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 1949 to 2025. Station extremes, not official state records.
Harrison County Weather Facts
Harrison County has 9 places on myweatherrock (5 cities, 4 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 107°F at Gulfport - Biloxi Ap on August 26, 2023. The coldest night is 7°F at Gulfport - Biloxi Ap on January 22, 2025. The wettest day brought 11.63 inches of rain at Waveland on August 30, 2012. The biggest single-day snow measured 12.99 inches at Wiggins on January 1, 1964. Those are station measurements from NOAA's daily records, 1949 to 2025, not official state records. By area the largest place is Gulfport, about 56 square miles.
About Harrison County weather
The map on the Now tab shows every Harrison 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 Harrison County towns with station normals, the warmest month is July, when the day usually reaches 91°F, and the coldest is January, when the night usually falls to 42°F. August is the wettest, with rain on about 14 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.
Harrison County weather records
Measured at the NOAA stations serving these towns, daily records 1949 to 2025. Station extremes, not official state records.
Common questions about Harrison County weather
- What is the hottest temperature recorded at a Harrison County station?
- 107°F at Gulfport - Biloxi Ap on August 26, 2023, in the NOAA daily station records myweatherrock holds (1949 to 2025).
- What is the coldest temperature recorded at a Harrison County station?
- 7°F at Gulfport - Biloxi Ap on January 22, 2025.
- What is the most rain a Harrison County station has measured in one day?
- 11.63 inches at Waveland on August 30, 2012.
- What is the biggest one-day snowfall at a Harrison County station?
- 12.99 inches at Wiggins on January 1, 1964.
- How many Harrison County towns have a weather page here?
- 9: 5 cities, 4 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 Harrison 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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