Today's Weather Forecast - St Petersburg

Today's weather in St Petersburg. high 14°C (57°F), low 13°C (55°F). Overcast.

Today’s Hourly Weather Outlook

Morning6 AM – Noon13°
Wind speed
13 km/h
Rain probability
63%
AfternoonNoon – 6 PM14°
Wind speed
22 km/h
Rain probability
98%
Evening6 PM – Midn14°
Wind speed
18 km/h
Rain probability
82%
NightMidn – 6 AM13°
Wind speed
13 km/h
Rain probability
94%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:46 AM
Total Daylight
Day completeSolar noon 12:54 PM
Sunset
Dusk 8:02 PM
RemainingDaylight ended
Solar elevation-2°
vs yesterday-9 min

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

St Petersburg is forecast to reach a high of 14°C today, with an overnight low around 13°C. That's 1° below the long-term average high of 15°C for this time of year. It continues a recent pattern — 13 of the last 28 days with published data have run cooler than normal. Expect a high chance of rain (98% probability) and moderate breezes averaging 22 km/h. Air quality is currently good (AQI 39), with no notable outdoor health concerns.

Today vs Normal

14°C-1° below normal

The long-term average high for today is 15°C.

13 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 20°C20°2026-08-29: 21°C21°2026-08-30: 16°C16°2026-08-31: 22°C22°2026-09-01: 21°C21°2026-09-02: 19°C19°2026-09-03: 19°C19°2026-09-04: 14°C14°2026-09-05: 17°C17°2026-09-06: 13°C13°2026-09-07: 14°C14°2026-09-08: 19°C19°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.