| NWS Forecast for: Southeast Coastal St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 1112 PM EDT Mon Aug 31 2026 |  |
| Overnight: Partly cloudy late this evening, then mostly cloudy with a slight chance of showers. Lows in the upper 70s. East winds around 5 mph. Chance of rain 20 percent. Tuesday: Partly sunny with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Northeast winds 5 to 10 mph. Chance of rain 60 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the mid 70s. East winds 5 to 10 mph. Chance of rain 20 percent. Wednesday: Showers likely. A slight chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 70 percent. Wednesday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. Thursday And Thursday Night: Mostly cloudy. Showers and thunderstorms likely. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 70 percent. Friday Through Saturday: Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Sunday Through Labor Day: Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 70 percent. | |
| Zone Forecast: Southeast Coastal St. Johns | |
Visit your local NWS office at: https://www.weather.gov/jax |