St. Petersburg, FL Weather Forecast
Local 7-day forecast
Widespread Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for St. Petersburg, FL in one place.
Widespread showers and thunderstorms before 4pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 88. Heat index values as high as 101. West wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for St. Petersburg, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 5:22 PM EDT.
The active forecast window currently covers Aug 23 to Aug 29, 2026 for St. Petersburg, FL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 23 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 5:22 PM EDT
- Forecast office
- TBW
- Source
- NOAA / NWS
Daily Outlook
This Week in St. Petersburg
Friday looks like the warmest upcoming period in St. Petersburg at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for This Afternoon at about 9 mph W.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 5:22 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- TBW
- Radar station
- KTBW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 80. Heat index values as high as 97. Southwest wind 2 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
Isolated showers and thunderstorms after 10am. Mostly sunny, with a high near 90. Heat index values as high as 102. Southwest wind 2 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 80. Heat index values as high as 100. West southwest wind 2 to 8 mph.
Isolated showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 90. Southwest wind 2 to 9 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 79. Northwest wind 2 to 8 mph.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. South wind 2 to 9 mph. Chance of precipitation is 30%.
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Southwest wind 2 to 8 mph. Chance of precipitation is 30%.
Scattered showers and thunderstorms after 8am. Mostly sunny, with a high near 91. South wind 3 to 8 mph. Chance of precipitation is 40%.
Scattered showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 40%.
Scattered showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 78. Chance of precipitation is 40%.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Scattered showers and thunderstorms before 2am. Partly cloudy, with a low around 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Aug 23
|
Widespread Showers And Thunderstorms
|
88°F |
9 mph
W
|
|
Tonight
Aug 23
|
Partly Cloudy
|
80°F |
2 to 9 mph
SW
|
|
Monday
Aug 24
|
Isolated Showers And Thunderstorms
|
90°F |
2 to 9 mph
SW
|
|
Monday Night
Aug 24
|
Partly Cloudy
|
80°F |
2 to 8 mph
WSW
|
|
Tuesday
Aug 25
|
Isolated Showers And Thunderstorms
|
90°F |
2 to 9 mph
SW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
79°F |
2 to 8 mph
NW
|
|
Wednesday
Aug 26
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
91°F |
2 to 9 mph
S
|
|
Wednesday Night
Aug 26
|
Scattered Showers And Thunderstorms
|
78°F |
2 to 8 mph
SW
|
|
Thursday
Aug 27
|
Scattered Showers And Thunderstorms
|
91°F |
3 to 8 mph
S
|
|
Thursday Night
Aug 27
|
Scattered Showers And Thunderstorms
|
78°F |
6 mph
SSW
|
|
Friday
Aug 28
|
Scattered Showers And Thunderstorms
|
92°F |
6 mph
SSW
|
|
Friday Night
Aug 28
|
Scattered Showers And Thunderstorms
|
78°F |
6 mph
NE
|
|
Saturday
Aug 29
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
92°F |
5 mph
S
|
|
Saturday Night
Aug 29
|
Scattered Showers And Thunderstorms
|
78°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St. Petersburg.
