| NWS Forecast for: Northeast Coastal St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 222 PM EDT Fri Jul 24 2026 |  |
| This Afternoon: Sunny. Highs in the lower 90s. East winds 10 to 15 mph. Heat index values up to 106. Tonight: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph, becoming south around 5 mph after midnight. Saturday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph, becoming south with gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values up to 111. Saturday Night: Mostly cloudy. Showers and thunderstorms likely in the evening. Lows in the upper 70s. South winds around 10 mph, becoming southwest after midnight. Chance of rain 60 percent. Sunday: Mostly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms in the afternoon. Highs in the lower 90s. West winds 5 to 10 mph, becoming north in the afternoon. Chance of rain 80 percent. Heat index values up to 108. Sunday Night: Mostly cloudy with a chance of showers. Thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 80 percent. Monday And Monday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 105. Tuesday: Sunny. Highs in the lower 90s. Heat index values up to 105. Tuesday Night: Partly cloudy. Lows in the upper 70s. Wednesday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 115. Wednesday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 50 percent. Heat index values up to 110 early in the evening. Thursday: Partly sunny. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 90s. Chance of rain 60 percent. Heat index values up to 110. | |
| Zone Forecast: Northeast Coastal St. Johns | |
Visit your local NWS office at: https://www.weather.gov/jax |