Harman US

St. Petersburg, FL Weather & Growing Conditions

This Afternoon
90°F
Isolated Showers And Thunderstorms
Isolated showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 90°F Isolated Showers And Thunderstorms 5 mph NE 61%
Tonight 75°F Chance Showers And Thunderstorms then Partly Cloudy 6 mph ENE 63%
Sunday 89°F Mostly Sunny then Scattered Showers And Thunderstorms 5 mph NE 45%
Sunday Night 75°F Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms 5 mph ENE 43%
Monday 88°F Mostly Sunny then Widespread Showers And Thunderstorms 5 mph E 75%
Monday Night 76°F Widespread Showers And Thunderstorms 6 mph ENE 75%
Tuesday 88°F Isolated Showers And Thunderstorms 5 mph SSE 74%
Tuesday Night 77°F Chance Showers And Thunderstorms 5 mph NE 74%
Wednesday 89°F Isolated Showers And Thunderstorms 6 mph NE 68%
Wednesday Night 76°F Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms 7 mph NE 68%
Thursday 90°F Mostly Sunny then Scattered Showers And Thunderstorms 9 mph NE 45%
Thursday Night 76°F Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms 9 mph NE 45%
Friday 89°F Sunny then Scattered Showers And Thunderstorms 9 mph NE 38%
Friday Night 75°F Scattered Showers And Thunderstorms then Isolated Showers And Thunderstorms 9 mph NE 38%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for St. Petersburg, FL

Last spring frost
Jan 17
First fall frost
Jan 14
Growing season
365 days
Hardiness zone
10a

Explore more for St. Petersburg, FL: full frost dates · planting calendar · Florida frost dates

Climate data from the nearest NOAA station, St Petersburg Intl Ap, Fl (3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.