St. Petersburg, FL Weather & Growing Conditions
This Afternoon
85°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 80 in the afternoon. Southeast wind around 3 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Scattered Showers And Thunderstorms | 3 mph SE | 35% |
| Tonight | 72°F | Scattered Showers And Thunderstorms then Partly Cloudy | 2 mph ENE | 33% |
| Thursday | 84°F | Sunny | 3 mph ENE | 7% |
| Thursday Night | 72°F | Partly Cloudy | 2 mph NNE | 5% |
| Friday | 83°F | Sunny | 1 to 6 mph NNW | 2% |
| Friday Night | 71°F | Partly Cloudy | 5 mph NW | 1% |
| Saturday | 81°F | Sunny | 3 to 8 mph NNW | 1% |
| Saturday Night | 66°F | Mostly Clear | 7 mph N | 1% |
| Sunday | 79°F | Sunny | 7 mph NNE | 1% |
| Sunday Night | 65°F | Partly Cloudy | 8 mph NE | 1% |
| Monday | 78°F | Partly Sunny | 9 mph E | 7% |
| Monday Night | 64°F | Mostly Cloudy | 7 mph ESE | 9% |
| Tuesday | 77°F | Isolated Rain Showers | 7 mph N | 15% |
| Tuesday Night | 66°F | Isolated Rain Showers | 6 mph N | 15% |
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 (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.