Weather WorldPort St. John, FL 7-Day Weather Forecast
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Port St. John Weather Forecast
Port St. John, FL Weather Forecast Date: 345 PM EST Mon Mar 02 2026
Weather forecast for Port St. John, FL
Tonight Lo: 61°F Lo: 16°C |
Tonight... Partly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph. |
Tue Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Tuesday... Partly sunny. A slight chance of showers in the morning, then a chance of afternoon showers. Highs in the upper 70s. East winds 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 30%. |
| Wed Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Wednesday... Partly sunny. A slight chance of afternoon showers. Highs in the lower 80s. East winds 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of rain 20%. |
| Thu Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Thursday... Partly sunny. A chance of afternoon showers. Highs in the lower 80s. Chance of rain 30%. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Partly sunny. A slight chance of afternoon showers. Highs in the lower 80s. Chance of rain 20%. |
| Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Partly sunny. A slight chance of afternoon showers. Highs in the lower 80s. Chance of rain 20%. |
| Sun Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Sunday... Partly sunny. A slight chance of afternoon showers. Highs in the lower 80s. Chance of rain 20%. |
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