| NWS Forecast for: Western St. Johns Issued by: National Weather Service Jacksonville, FL Last Update: 528 PM EDT Thu Aug 6 2026 |  |
| Tonight: Mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening. Some thunderstorms may produce heavy rainfall this evening. Lows in the mid 70s. East winds 10 to 15 mph, diminishing to around 5 mph after midnight. Chance of rain 50 percent. Friday: Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. Friday Night: Mostly cloudy with a chance of showers. A slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Chance of rain 40 percent. Saturday: Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon. Highs around 90. Southeast winds 5 to 10 mph. Chance of rain 90 percent. Heat index values up to 105. Saturday Night: Mostly cloudy. Showers with thunderstorms likely in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 90 percent. Sunday And Sunday Night: Partly cloudy. Showers and thunderstorms likely. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 70 percent. Heat index values up to 105. Monday And Monday Night: Partly cloudy. 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 110. Tuesday And Tuesday Night: Partly cloudy. A chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 30 percent. Heat index values up to 110. Wednesday Through Thursday: Partly cloudy with a slight chance of showers and thunderstorms. Highs in the mid 90s. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 110. | |
| Zone Forecast: Western St. Johns | |
Visit your local NWS office at: https://www.weather.gov/jax |