| NWS Forecast for: Northeast Coastal St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 1153 AM EDT Thu Jul 31 2025 | |
This Afternoon: Mostly sunny. A slight chance of showers and thunderstorms. Highs in the mid 90s. West winds around 10 mph, becoming south. Chance of rain 20 percent. Heat index values up to 112. Tonight: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 20 percent. Heat index values up to 107 early in the evening. Friday: Sunny. Highs in the mid 90s. West winds 5 to 10 mph, becoming south in the afternoon. Heat index values up to 114. Friday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight. Chance of rain 20 percent. Heat index values up to 109 early in the evening. Saturday: Mostly sunny. A slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 90s. Southwest winds 5 to 10 mph, becoming southeast in the afternoon. Chance of rain 70 percent. Heat index values up to 110. Saturday Night: Showers likely. Thunderstorms likely, mainly in the evening. Lows in the upper 70s. Chance of rain 70 percent. Sunday And Sunday Night: Mostly cloudy. Showers with thunderstorms likely. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 90 percent. Monday And Monday Night: Partly cloudy. Showers with thunderstorms likely. Highs in the upper 80s. Lows in the upper 70s. Chance of rain 80 percent. Tuesday Through Wednesday: Partly cloudy with showers and thunderstorms likely. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 70 percent. Heat index values up to 110. | |
| Zone Forecast: Northeast Coastal St. Johns | |
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