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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.