St. Petersburg, FL Weather & Growing Conditions
Today
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2pm, then scattered showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 97. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Chance Showers And Thunderstorms | 8 mph SW | 63% |
| Tonight | 78°F | Isolated Showers And Thunderstorms | 6 mph SSW | 24% |
| Wednesday | 89°F | Scattered Showers And Thunderstorms | 6 mph S | 40% |
| Wednesday Night | 77°F | Scattered Showers And Thunderstorms then Mostly Cloudy | 6 mph SE | 52% |
| Thursday | 92°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph E | 73% |
| Thursday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 9 mph E | 73% |
| Friday | 91°F | Mostly Sunny then Widespread Showers And Thunderstorms | 7 to 10 mph ENE | 75% |
| Friday Night | 77°F | Widespread Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 mph E | 75% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SE | 67% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 3 to 7 mph ESE | 67% |
| Sunday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 to 7 mph SSE | 47% |
| Sunday Night | 78°F | Scattered Showers And Thunderstorms | 6 mph ENE | 47% |
| Monday | 92°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph SSE | 32% |
| Monday Night | 78°F | Scattered Showers And Thunderstorms then Partly Cloudy | 5 mph NE | 32% |
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 Aug 4, 2026.