Harbor Bluffs, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Bluffs, a community in Pinellas County, Florida.
Tonight
74°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. East northeast wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Harbor Bluffs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Scattered Showers And Thunderstorms then Partly Cloudy | 5 to 8 mph ENE | 52% |
| Saturday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 7 mph NNE | 32% |
| Saturday Night | 74°F | Scattered Showers And Thunderstorms | 6 mph ENE | 52% |
| Sunday | 89°F | Isolated Showers And Thunderstorms | 6 mph NE | 78% |
| Sunday Night | 75°F | Showers And Thunderstorms | 5 mph ENE | 78% |
| Monday | 89°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph E | 73% |
| Monday Night | 77°F | Chance Showers And Thunderstorms | 7 mph E | 73% |
| Tuesday | 88°F | Scattered Showers And Thunderstorms | 7 mph S | 60% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 7 mph SSE | 60% |
| Wednesday | 88°F | Scattered Showers And Thunderstorms | 7 mph NNE | 62% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 mph NE | 62% |
| Thursday | 89°F | Scattered Showers And Thunderstorms | 12 mph NE | 52% |
| Thursday Night | 76°F | Scattered Showers And Thunderstorms | 12 mph NE | 52% |
| Friday | 88°F | Scattered Showers And Thunderstorms | 13 mph NNE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Harbor Bluffs (27.908, -82.827). Updated through the day.
Growing snapshot for Harbor Bluffs
Last spring frost
Jan 17
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
10a
More local growing data for Harbor Bluffs: nearby ZIP 33770 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, St Petersburg Intl Ap, Fl (7.1 mi from Harbor Bluffs). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.