| NWS Forecast for: Southeast Coastal St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 717 PM EDT Thu Jun 11 2026 | |
| Tonight: Mostly clear. Lows in the mid 70s. Southeast winds 10 to 15 mph, becoming southwest 5 to 10 mph after midnight. Friday: Sunny. Highs in the lower 90s. West winds around 5 mph, becoming southeast in the afternoon. Heat index values up to 106. Friday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight. Saturday: Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. West winds around 5 mph, becoming southeast in the afternoon. Chance of rain 50 percent. Heat index values up to 110. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values up to 105 early in the evening. Sunday And Sunday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 40 percent. Heat index values up to 110. Monday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 50 percent. Monday Night Through Tuesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Highs in the lower 90s. Chance of rain 50 percent. Wednesday And Wednesday Night: Mostly cloudy. Showers and thunderstorms likely. Highs around 90. Lows in the mid 70s. Chance of rain 60 percent. Thursday: Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 40 percent. | |
| Zone Forecast: Southeast Coastal St. Johns | |
Visit your local NWS office at: https://www.weather.gov/jax |