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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.

Today
90°F
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 98. Northeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Greenbriar

WhenTempForecastWindPrecip
Today 90°F Mostly Sunny then Scattered Showers And Thunderstorms 5 mph NE 48%
Tonight 74°F Scattered Showers And Thunderstorms 5 mph ENE 45%
Sunday 90°F Mostly Sunny then Scattered Showers And Thunderstorms 5 mph NE 55%
Sunday Night 74°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 5 mph ENE 62%
Monday 89°F Scattered Showers And Thunderstorms 5 mph ENE 67%
Monday Night 74°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 5 mph ENE 67%
Tuesday 89°F Scattered Showers And Thunderstorms 5 mph SSE 57%
Tuesday Night 76°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 3 mph NE 57%
Wednesday 89°F Scattered Showers And Thunderstorms 6 mph NE 61%
Wednesday Night 76°F Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms 7 mph NE 61%
Thursday 89°F Mostly Sunny then Scattered Showers And Thunderstorms 8 mph NE 44%
Thursday Night 75°F Scattered Showers And Thunderstorms 8 mph NE 44%
Friday 89°F Mostly Sunny then Scattered Showers And Thunderstorms 9 mph NE 38%
Friday Night 74°F Scattered Showers And Thunderstorms 8 mph NE 38%

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.