St. Petersburg, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Petersburg, a city in Pinellas County, Florida.
Overnight
76°F
Mostly Cloudy
Mostly cloudy, with a low around 76. East northeast wind around 8 mph.
7-day forecast for St. Petersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Mostly Cloudy | 8 mph ENE | 5% |
| Saturday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 2 to 8 mph ENE | 46% |
| Saturday Night | 76°F | Scattered Showers And Thunderstorms | 8 mph ENE | 52% |
| Sunday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 0 to 7 mph E | 61% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 5 to 8 mph NE | 63% |
| Monday | 87°F | Scattered Showers And Thunderstorms | 3 to 7 mph SE | 68% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 7 mph ENE | 68% |
| Tuesday | 87°F | Scattered Showers And Thunderstorms | 7 mph SSE | 66% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 5 mph SE | 66% |
| Wednesday | 88°F | Scattered Showers And Thunderstorms | 6 mph NE | 65% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 7 mph NE | 65% |
| Thursday | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 8 mph NE | 49% |
| Thursday Night | 76°F | Scattered Showers And Thunderstorms | 8 mph NE | 49% |
| Friday | 88°F | Mostly Sunny then Scattered Showers And Thunderstorms | 9 mph NE | 42% |
Forecast source: National Weather Service (api.weather.gov) for St. Petersburg (27.763, -82.644). Updated through the day.
Growing snapshot for St. Petersburg
Last spring frost
Jan 17
First fall frost
Jan 15
Growing season
365 days
Hardiness zone
10b
More local growing data for St. Petersburg: nearby ZIP 33701 weather · frost dates · planting calendar · Florida frost dates
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Climate data from the nearest NOAA station, St Petersburg, Fl (0.7 mi from St. Petersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.