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St. Petersburg, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Petersburg, a city in Pinellas County, Florida.

Today
82°F
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered rain showers between 1pm and 4pm, then scattered showers and thunderstorms between 4pm and 5pm, then isolated showers and thunderstorms. Mostly sunny, with a high near 82. Southeast wind 3 to 10 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for St. Petersburg

WhenTempForecastWindPrecip
Today 82°F Mostly Sunny then Scattered Showers And Thunderstorms 3 to 10 mph SE 33%
Tonight 72°F Isolated Showers And Thunderstorms then Partly Cloudy 5 mph E 21%
Thursday 82°F Sunny 0 to 5 mph NNW 5%
Thursday Night 72°F Mostly Clear 1 to 5 mph N 4%
Friday 80°F Sunny 0 to 8 mph W 4%
Friday Night 71°F Mostly Clear 8 mph NW 2%
Saturday 78°F Sunny 6 to 10 mph NNW 1%
Saturday Night 67°F Mostly Clear 6 to 12 mph N 0%
Sunday 78°F Sunny 8 mph NNW 2%
Sunday Night 65°F Partly Cloudy then Isolated Rain Showers 8 mph N 15%
Monday 74°F Isolated Rain Showers then Mostly Sunny 9 mph NNE 15%
Monday Night 63°F Partly Cloudy 9 mph NE 10%
Tuesday 76°F Mostly Sunny 9 mph N 12%
Tuesday Night 64°F Partly Cloudy 7 mph N 14%

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 Nov 4, 2026.