| NWS Forecast for: Southeast Coastal St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 842 PM EDT Tue Sep 1 2026 | |
| Tonight: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 70s. Northeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Chance of rain 30 percent. Wednesday: Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. East winds 10 to 15 mph. Chance of rain 50 percent. Wednesday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 30 percent. Thursday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. East winds 10 to 15 mph. Chance of rain 50 percent. Thursday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Friday: Partly sunny. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 90. Temperature falling into the mid 80s in the afternoon. Chance of rain 70 percent. Friday Night: Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 70 percent. Saturday: Partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. Saturday Night And Sunday: Partly cloudy. A chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 50 percent. Heat index values up to 105. Sunday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Labor Day And Monday Night: Mostly cloudy. Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 70 percent. Tuesday: Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. | |
| Zone Forecast: Southeast Coastal St. Johns | |
Visit your local NWS office at: https://www.weather.gov/jax |