🇺🇸 Weather in St. Petersburg
Map Overlays:
Hourly Forecast for St. Petersburg
01:00
27°
9%
02:00
27°
12%
03:00
26°
13%
04:00
26°
13%
05:00
26°
13%
06:00
26°
13%
07:00
26°
14%
08:00
28°
14%
09:00
29°
9%
10:00
31°
7%
11:00
34°
4%
12:00
35°
3%
13:00
34°
4%
14:00
32°
4%
15:00
32°
4%
16:00
31°
12%
17:00
32°
4%
18:00
31°
4%
19:00
31°
4%
20:00
31°
4%
21:00
30°
5%
22:00
30°
5%
23:00
30°
7%
00:00
30°
18%
14-Day Forecast for St. Petersburg
2026-07-13
Sunny
35° /
26°
2026-07-14
Sunny
31° /
28°
2026-07-15
Sunny
32° /
29°
2026-07-16
Sunny
32° /
30°
2026-07-17
Partly Cloudy
31° /
29°
2026-07-18
Partly Cloudy
31° /
30°
2026-07-19
Light rain shower
30° /
29°
Additional Forecasts for St. Petersburg
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 122.0 μg/m³
O₃ (Ozone) 44.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.0 μg/m³
SO₂ (Sulphur Dioxide) 0.5 μg/m³
PM2.5 (Fine particles) 18.7 μg/m³
PM10 (Coarse particles) 79.4 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in St. Petersburg — FAQ
Answers refreshed each request based on current conditions in St. Petersburg.
What is the weather like right now in St. Petersburg?
Right now in St. Petersburg, United States the temperature is 27.2°C (feels like 30.1°C), with clear. Relative humidity is 94% and wind is 14.4 km/h.
What is today's high and low temperature in St. Petersburg?
Today's forecast high in St. Petersburg is 35.0°C and the overnight low is 25.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in St. Petersburg today?
The chance of precipitation in St. Petersburg today is 7%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in St. Petersburg differ from nearby cities?
Even short distances can change temperatures noticeably. St. Petersburg's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.