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Lake Mary, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lake Mary, a city in Seminole County, Florida.

Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. North northeast wind 0 to 5 mph.

7-day forecast for Lake Mary

WhenTempForecastWindPrecip
Tonight 73°F Mostly Clear 0 to 5 mph NNE 9%
Saturday 89°F Slight Chance Showers And Thunderstorms 0 to 10 mph NE 41%
Saturday Night 73°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 10 mph NE 20%
Sunday 88°F Showers And Thunderstorms Likely 0 to 5 mph NE 68%
Sunday Night 73°F Showers And Thunderstorms Likely then Partly Cloudy 0 to 5 mph ENE 68%
Monday 89°F Showers And Thunderstorms Likely 0 to 5 mph NE 70%
Monday Night 73°F Showers And Thunderstorms Likely 0 to 5 mph ESE 70%
Tuesday 89°F Partly Sunny then Showers And Thunderstorms 0 to 5 mph E 77%
Tuesday Night 74°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 0 to 5 mph ESE 77%
Wednesday 89°F Slight Chance Showers And Thunderstorms 0 to 10 mph ENE 68%
Wednesday Night 74°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 0 to 10 mph NE 68%
Thursday 87°F Showers And Thunderstorms Likely 5 to 15 mph NNE 58%
Thursday Night 73°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 5 to 10 mph NNE 58%
Friday 87°F Chance Rain Showers then Chance Showers And Thunderstorms 5 to 15 mph NNE 54%

Forecast source: National Weather Service (api.weather.gov) for Lake Mary (28.759, -81.333). Updated through the day.

Growing snapshot for Lake Mary

Last spring frost
Jan 26
First fall frost
Jan 12
Growing season
359 days
Hardiness zone
9b

More local growing data for Lake Mary: nearby ZIP 32746 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, Sanford, Fl (5.5 mi from Lake Mary). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.