Harbor Bluffs, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Bluffs, a community in Pinellas County, Florida.
This Afternoon
84°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then scattered showers and thunderstorms. Partly sunny. High near 84, with temperatures falling to around 78 in the afternoon. East southeast wind around 12 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Harbor Bluffs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Scattered Showers And Thunderstorms | 12 mph ESE | 57% |
| Tonight | 71°F | Scattered Showers And Thunderstorms then Partly Cloudy | 8 mph ESE | 35% |
| Wednesday | 84°F | Partly Sunny then Isolated Showers And Thunderstorms | 2 to 8 mph SE | 26% |
| Wednesday Night | 70°F | Isolated Showers And Thunderstorms then Partly Cloudy | 3 mph NE | 24% |
| Thursday | 83°F | Sunny | 5 mph SSW | 4% |
| Thursday Night | 70°F | Partly Cloudy | 3 mph NNE | 4% |
| Friday | 81°F | Sunny | 2 to 6 mph W | 2% |
| Friday Night | 70°F | Mostly Clear | 5 mph NNW | 1% |
| Saturday | 79°F | Sunny | 3 to 9 mph NNW | 2% |
| Saturday Night | 67°F | Mostly Clear | 8 mph N | 5% |
| Sunday | 77°F | Mostly Sunny | 6 to 10 mph N | 10% |
| Sunday Night | 65°F | Isolated Rain Showers | 12 mph N | 18% |
| Monday | 76°F | Isolated Rain Showers | 14 mph N | 20% |
| Monday Night | 63°F | Isolated Rain Showers then Partly Cloudy | 13 mph NNE | 15% |
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 Nov 3, 2026.