- Clothing
- Warm jacket and comfortable layers recommended.
Tomorrow's Weather Forecast - St Petersburg
Tomorrow's weather in St Petersburg. high 16°C (61°F), low 13°C (55°F). Overcast.
Tomorrow’s Outlook
Tomorrow will be 2°C warmer than today. Light rain is possible, though a 22% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 76% through the day the more moisture in the air, the more readily clouds build into showers. Humidity holds around 76%, giving the air a damp, heavy feel even without much heat behind it. A light breeze near 18 km/h is expected. Sunrise is at 6:19 AM and sunset at 7:29 PM, for about 13h 10m of daylight.
- Tomorrow
- 16°/ 13°
- Today14° / 13°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon14°
- Rain probability
- 15%
- Wind speed
- 14 km/h
AfternoonNoon – 6 PM16°
- Rain probability
- 22%
- Wind speed
- 18 km/h
Evening6 PM – Midn15°
- Rain probability
- 3%
- Wind speed
- 15 km/h
NightMidn – 6 AM14°
- Rain probability
- 22%
- Wind speed
- 14 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Good conditions for outdoor activities.
- Travel
- Standard travel conditions expected.
Sunrise & Sunset
Sunrise
Dawn 5:49 AMTotal Daylight
Full day forecastSolar noon 12:54 PM
Sunset
Dusk 7:59 PMvs today-5 min daylight
Sunrise shift3 min later
Sunset shift3 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
St Petersburg is forecast to reach a high of 16°C tomorrow, with an overnight low around 13°C. That's 1° above the long-term average high of 15°C for this time of year. Expect a low chance of rain (22% probability) and a gentle breeze averaging 18 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.
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.