Big Pine Key - West Side Weather Forecast
- 79
- 89
Rain Showers Likely
- 78
- 88
Rain Showers Likely
- 78
- 87
Rain Showers
- 79
- 88
Rain Showers Likely
- 80
- 88
Chance Thunderstorms
- 79
- 88
Chance Thunderstorms
Today 16 Sep Monroe Lower Keys
Mostly sunny this Morning, then becoming partly sunny. A chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. Variable Winds 5 to 10 Mph, becoming east. Chance of rain 30 percent.
Tonight 16 Sep Monroe Lower Keys
Showers likely with a chance of Thunderstorms. Lows in the upper 70s. East Winds 5 to 10 Mph, becoming northeast to east and increasing to near 10 Mph. Chance of rain 60 percent.
Big Pine Key - West Side Temperature Statistics
September Temperature
Key West Naval Air Station (19.9 miles)
Lowest 4 September, 2025
75.9 °FAverage September
83.1 °FHighest 1 September, 2025
89.1 °F
Climate (2020–Present)
Key West Naval Air Station (19.9 miles)
Average Low 2020–2025
77.4 °FAverage 2020–2025
81.9 °FAverage High 2020–2025
86.7 °F