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Greenbriar, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Greenbriar, a community in Pinellas County, Florida.

Tonight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. East northeast wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Greenbriar

WhenTempForecastWindPrecip
Tonight 74°F Partly Cloudy 6 mph ENE 4%
Saturday 91°F Mostly Sunny then Scattered Showers And Thunderstorms 6 mph NNE 36%
Saturday Night 74°F Scattered Showers And Thunderstorms 5 mph ENE 54%
Sunday 90°F Isolated Showers And Thunderstorms then Showers And Thunderstorms 5 mph NNE 78%
Sunday Night 74°F Showers And Thunderstorms then Scattered Showers And Thunderstorms 5 mph ENE 78%
Monday 90°F Scattered Showers And Thunderstorms 5 mph ENE 76%
Monday Night 75°F Showers And Thunderstorms then Scattered Showers And Thunderstorms 5 mph ENE 76%
Tuesday 89°F Chance Showers And Thunderstorms 6 mph S 62%
Tuesday Night 76°F Chance Showers And Thunderstorms 5 mph SSE 62%
Wednesday 89°F Chance Showers And Thunderstorms 7 mph NE 64%
Wednesday Night 75°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 7 mph NE 64%
Thursday 89°F Scattered Showers And Thunderstorms 7 to 10 mph NE 52%
Thursday Night 75°F Scattered Showers And Thunderstorms 9 mph NE 52%
Friday 88°F Scattered Showers And Thunderstorms 12 mph NNE 40%

Forecast source: National Weather Service (api.weather.gov) for Greenbriar (28.011, -82.753). Updated through the day.

Growing snapshot for Greenbriar

Last spring frost
Jan 17
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
10a

More local growing data for Greenbriar: nearby ZIP 33763 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, St Petersburg Intl Ap, Fl (7.2 mi from Greenbriar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.