St. Petersburg, FL Weather & Growing Conditions
This Afternoon
88°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 98. West southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Scattered Showers And Thunderstorms | 9 mph WSW | 53% |
| Tonight | 78°F | Scattered Showers And Thunderstorms | 2 to 9 mph SSW | 28% |
| Wednesday | 89°F | Scattered Showers And Thunderstorms | 2 to 8 mph S | 36% |
| Wednesday Night | 76°F | Scattered Showers And Thunderstorms then Mostly Cloudy | 6 mph ESE | 48% |
| Thursday | 92°F | Partly Sunny then Chance Showers And Thunderstorms | 7 mph ENE | 72% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Mostly Cloudy | 8 mph ENE | 72% |
| Friday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 10 mph ENE | 73% |
| Friday Night | 77°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 mph E | 73% |
| Saturday | 89°F | Isolated Showers And Thunderstorms | 6 to 9 mph SE | 64% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 7 mph SE | 64% |
| Sunday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 8 mph S | 42% |
| Sunday Night | 79°F | Scattered Showers And Thunderstorms | 6 mph ENE | 42% |
| Monday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 7 mph SSE | 28% |
| Monday Night | 79°F | Scattered Showers And Thunderstorms then Partly Cloudy | 6 mph NNE | 28% |
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 15
Growing season
365 days
Hardiness zone
10b
Explore more for St. Petersburg, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, St Petersburg, Fl (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.