St. John, United States Virgin Islands Weather Forecast

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St. John, United States Virgin Islands Weather Forecast

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St. John United States Virgin Islands Weather - Patchy rain nearby - 84°F
Patchy Rain Nearby
84°F
Updated 7:23 pm
Feels Like 93°F
Humidity 80%
Wind E 18 mph
Barometer  29.97 in
Visibility 6 mi
St. John United States Virgin Islands Weather - Patchy rain nearby - 29°C
Patchy Rain Nearby
29°C
Updated 7:23 pm
Feels Like 34°C
Humidity 80%
Wind E 8.0 m/s
Barometer  1015 mb
Visibility 10 km

St. John Weather Forecast

SUNDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 84°F
Lo: 28°CLo: 83°F
POP: 69%
MONDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 84°F
Lo: 28°CLo: 83°F
POP: 70%
TUESDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 84°F
Lo: 28°CLo: 83°F
POP: 78%
WEDNESDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 84°F
Lo: 28°CLo: 83°F
POP: 36%
THURSDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 83°F
Lo: 28°CLo: 83°F
POP: 64%
FRIDAY
St. John United States Virgin Islands Overcast
Overcast
Hi: 29°CHi: 83°F
Lo: 28°CLo: 83°F
POP: 25%
SATURDAY
St. John United States Virgin Islands Patchy rain nearby
Patchy Rain Nearby
Hi: 29°CHi: 84°F
Lo: 28°CLo: 83°F
POP: 69%
POP = Probability of Precipitation.
Weather Outlook Updated: 700 PM Wed Dec 31 1969

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St. John Forecast Discussion

Issued: 259 PM AST Sun Aug 23 2026

Key Messages

Issued at 259 PM AST Sun Aug 23 2026
  • A weak tropical wave moving across the islands will bring periods of shower activity this afternoon across W PR and tonight across USVI and E PR.
  • A Heat Advisory remains in effect until 4 PM AST. An elevated heat threat is expected to prevail on Monday, increasing to significant around midweek.
  • A wetter and more unstable pattern is expected Tuesday into Wednesday, with a better chance of showers and thunderstorms across the islands due a tropical ...