St. Petersburg, FL Weather & Growing Conditions
Tonight
73°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 9pm. Partly cloudy, with a low around 73. East southeast wind 10 to 14 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Scattered Showers And Thunderstorms then Partly Cloudy | 10 to 14 mph ESE | 35% |
| Wednesday | 82°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 to 10 mph ESE | 33% |
| Wednesday Night | 72°F | Scattered Showers And Thunderstorms then Partly Cloudy | 5 mph E | 25% |
| Thursday | 82°F | Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 71°F | Partly Cloudy | 0 to 5 mph NNE | 6% |
| Friday | 80°F | Sunny | 0 to 8 mph WSW | 2% |
| Friday Night | 71°F | Mostly Clear | 3 to 8 mph NNW | 2% |
| Saturday | 80°F | Sunny | 3 to 7 mph NNW | 2% |
| Saturday Night | 67°F | Mostly Clear | 7 mph N | 4% |
| Sunday | 78°F | Mostly Sunny | 5 to 8 mph NNW | 12% |
| Sunday Night | 65°F | Partly Cloudy then Isolated Rain Showers | 9 mph N | 17% |
| Monday | 76°F | Isolated Rain Showers | 12 mph N | 17% |
| Monday Night | 63°F | Isolated Rain Showers | 10 mph NNE | 15% |
| Tuesday | 76°F | Sunny | 10 mph NE | 11% |
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 (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.