Watson Island State Forest Weather Forecast
- 77
- 90
Chance Thunderstorms
- 76
- 93
Thunderstorms Likely
- 76
- 89
Rain Showers
- 77
- 86
Thunderstorms Likely
- 76
- 87
Chance Thunderstorms
- 76
- 88
Chance Thunderstorms
Today 5 Sep Western St. Johns
Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 108.
Tonight 5 Sep Western St. Johns
Mostly cloudy. Lows in the mid 70s. South Winds around 5 Mph.
Watson Island State Forest Temperature Statistics
September Temperature
Northeast Florida Regional Airport (14.9 miles)
Lowest 1 September, 2026
77 °FAverage September
81.6 °FHighest 1 September, 2026
86 °F
Climate (2021–2026)
Northeast Florida Regional Airport (14.9 miles)
Average Low 2021–2026
63.7 °FAverage 2021–2026
70.8 °FAverage High 2021–2026
78.1 °F