St. Croix Island weather, town by town
3 places in St. Croix Island, US Virgin Islands, 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 1921 to 2025. Station extremes, not official state records.
St. Croix Island Weather Facts
St. Croix Island has 3 places on myweatherrock (2 towns, 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 101°F at Christiansted Ft on October 20, 1993. The coldest night is 53°F at Christiansted Ft on November 18, 1991. The wettest day brought 8.95 inches of rain at Henry E Rohlsen Ap on August 31, 1979. The biggest single-day snow measured 0 inches at Henry E Rohlsen Ap on March 1, 1951. Those are station measurements from NOAA's daily records, 1921 to 2025, not official state records. By area the largest place is Frederiksted Southeast, about 1 square miles.
About St. Croix Island weather
The map on the Now tab shows every St. Croix Island 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 3 St. Croix Island towns with station normals, the warmest month is August, when the day usually reaches 89°F, and the coldest is January, when the night usually falls to 73°F. November is the wettest, with rain on about 15 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.
St. Croix Island weather records
Measured at the NOAA stations serving these towns, daily records 1921 to 2025. Station extremes, not official state records.
Common questions about St. Croix Island weather
- What is the hottest temperature recorded at a St. Croix Island station?
- 101°F at Christiansted Ft on October 20, 1993, in the NOAA daily station records myweatherrock holds (1921 to 2025).
- What is the coldest temperature recorded at a St. Croix Island station?
- 53°F at Christiansted Ft on November 18, 1991.
- What is the most rain a St. Croix Island station has measured in one day?
- 8.95 inches at Henry E Rohlsen Ap on August 31, 1979.
- What is the biggest one-day snowfall at a St. Croix Island station?
- 0 inches at Henry E Rohlsen Ap on March 1, 1951.
- How many St. Croix Island towns have a weather page here?
- 3: 2 towns, 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 St. Croix Island 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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