Greenbriar, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenbriar, a community in Pinellas County, Florida.
Tonight
71°F
Isolated Rain Showers then Partly Cloudy
Isolated rain showers before 9pm. Partly cloudy, with a low around 71. East southeast wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Greenbriar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Isolated Rain Showers then Partly Cloudy | 7 mph ESE | 19% |
| Wednesday | 85°F | Partly Sunny then Isolated Showers And Thunderstorms | 2 to 7 mph ESE | 26% |
| Wednesday Night | 70°F | Isolated Showers And Thunderstorms then Partly Cloudy | 2 mph NE | 23% |
| Thursday | 84°F | Sunny | 5 mph WSW | 5% |
| Thursday Night | 70°F | Partly Cloudy | 2 mph NNE | 5% |
| Friday | 82°F | Mostly Sunny | 1 to 7 mph SSW | 3% |
| Friday Night | 69°F | Mostly Clear | 5 mph NNW | 1% |
| Saturday | 80°F | Sunny | 2 to 8 mph NNW | 3% |
| Saturday Night | 65°F | Mostly Clear | 6 mph N | 4% |
| Sunday | 78°F | Mostly Sunny | 5 to 8 mph N | 10% |
| Sunday Night | 63°F | Partly Cloudy then Isolated Rain Showers | 8 mph N | 17% |
| Monday | 76°F | Isolated Rain Showers | 8 to 12 mph N | 20% |
| Monday Night | 61°F | Isolated Rain Showers then Partly Cloudy | 9 mph NNE | 15% |
| Tuesday | 76°F | Mostly Sunny | 10 mph NNE | 11% |
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 Nov 4, 2026.