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North Key Largo, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for North Key Largo, a community in Monroe County, Florida.

Overnight
76°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East wind around 10 mph. Chance of precipitation is 50%.

7-day forecast for North Key Largo

WhenTempForecastWindPrecip
Overnight 76°F Chance Showers And Thunderstorms 10 mph E 51%
Wednesday 86°F Chance Showers And Thunderstorms 5 to 10 mph E 53%
Wednesday Night 75°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 5 to 10 mph NE 53%
Thursday 86°F Slight Chance Showers And Thunderstorms 5 to 10 mph NE 15%
Thursday Night 74°F Slight Chance Showers And Thunderstorms then Mostly Clear 5 to 10 mph NE 11%
Friday 86°F Sunny 5 mph NE 7%
Friday Night 73°F Mostly Clear 0 to 5 mph NE 7%
Saturday 86°F Sunny 0 to 5 mph NE 2%
Saturday Night 73°F Slight Chance Rain Showers 0 to 5 mph NE 14%
Sunday 85°F Slight Chance Rain Showers 5 mph NE 14%
Sunday Night 72°F Slight Chance Rain Showers 5 mph NE 12%
Monday 83°F Slight Chance Rain Showers 5 to 10 mph NE 16%
Monday Night 71°F Slight Chance Rain Showers 10 mph NE 18%
Tuesday 83°F Slight Chance Rain Showers 10 to 15 mph N 18%

Forecast source: National Weather Service (api.weather.gov) for North Key Largo (25.261, -80.322). Updated through the day.

Growing snapshot for North Key Largo

Growing season
365 days
Hardiness zone
11a

More local growing data for North Key Largo: nearby ZIP 33037 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, John Pennekamp Sp, Fl (4.6 mi from North Key Largo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.