Big Pine Key Weather Forecast
- 76
- 86
Chance Rain Showers
- 77
- 87
Chance Rain Showers
- 76
- 87
Chance Rain Showers
- 76
- 87
Chance Rain Showers
- 75
- 87
Mostly Sunny
- 76
- 86
Mostly Sunny
Today 18 Oct Monroe Lower Keys
Mostly sunny with a slight chance of Showers. Breezy. Highs in the mid 80s. East Winds 15 to 20 Mph. Chance of rain 10 percent.
Tonight 18 Oct Monroe Lower Keys
Partly cloudy with a chance of Showers. Breezy early. Lows in the upper 70s. East Winds 15 to 20 Mph, decreasing to near 15 Mph. Chance of rain 30 percent.
Big Pine Key Temperature Statistics
October Temperature
The Florida Keys - Marathon International Airport (19.3 miles)
Lowest 10 October, 2025
75 °FAverage October
81 °FHighest 2 October, 2025
88 °F
Climate (2020–Present)
The Florida Keys - Marathon International Airport (19.3 miles)
Average Low 2020–2025
75.3 °FAverage 2020–2025
80 °FAverage High 2020–2025
85.1 °F