7-Day Zone Forecast for St.Thomas...St. John.. and Adjacent Islands (Text-Only)
NWS Forecast for: St.Thomas...St. John.. and Adjacent Islands
Issued by: National Weather Service San Juan, PR
Last Update: 450 PM AST Wed Aug 13 2025
Print




Tonight: Hazy this evening. Partly cloudy with isolated showers this evening, then variably cloudy with scattered showers after midnight. Breezy with lows around 83. East winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 40 percent.

Thursday: Breezy. Partly cloudy. Scattered showers, mainly in the morning. Highs around 93. East winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 30 percent.

Thursday Night: Breezy. Partly cloudy with isolated showers. Lows around 83. East winds 15 to 20 mph with gusts up to 25 mph. Chance of rain 20 percent.

Friday: Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 94. East winds around 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Friday Night: Variably cloudy with scattered showers in the evening, then mostly cloudy with numerous showers with isolated thunderstorms after midnight. Lows around 83. Northeast winds 10 to 15 mph. Chance of rain 60 percent.

Saturday: Mostly cloudy with isolated thunderstorms. Numerous showers, mainly in the morning. Highs around 94. Chance of rain 70 percent.

Saturday Night: Mostly cloudy with scattered showers with isolated thunderstorms. Lows around 83. Chance of rain 50 percent.

Sunday: Mostly cloudy with isolated thunderstorms. Numerous showers, mainly in the morning. Highs around 94. Chance of rain 70 percent.

Sunday Night: Breezy. Cloudy with numerous showers with isolated thunderstorms. Lows around 83. Chance of rain 70 percent.

Monday: Breezy. Mostly cloudy with isolated thunderstorms. Numerous showers, mainly in the morning. Highs around 94. Chance of rain 70 percent.

Monday Night: Variably cloudy with scattered showers with isolated thunderstorms. Lows around 83. Chance of rain 50 percent.

Tuesday: Partly cloudy with isolated showers. Highs around 94. Chance of rain 20 percent.

Tuesday Night: Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent.

Wednesday: Partly cloudy with isolated showers. Highs around 94. Chance of rain 20 percent.







Zone Forecast: St.Thomas...St. John.. and Adjacent Islands

Visit your local NWS office at: https://www.weather.gov/sju