5-day weather forecast Petersburg 17-08-2026
Weather forecast Petersburg Monday, August 17 17.08.2026: sunny, temperature from 22 °C to 36 °C.
Precipitation probability 84%. Wind up to 4.61 m/s (gusts 9.36 m/s). Air humidity 39–98%, atmospheric pressure 758–761 mm Hg, UV index up to 9.1.
5 days at a glance — tap a day to open it
Sunrise 06:27
Sunset 19:59
Sunset 19:59
Waxing Crescent27% illuminated
Moonrise 11:51 · Moonset 22:29
Moonrise 11:51 · Moonset 22:29
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 23 °C | 57% (0.46 mm/hr) | 84% | 91% | 759 mm Hg | SW 216° 4.5 (9.36) m/s | 0 |
| 01:00 | Patchy rain possible | 22 °C | 51% (0.43 mm/hr) | 72% | 91% | 759 mm Hg | SW 226° 3.5 (7.08) m/s | 0 |
| 02:00 |  Partly cloudy | 22 °C | 18% | 31% | 93% | 759 mm Hg | WSW 246° 1.81 (3.78) m/s | 0 |
| 03:00 |  Mist | 22 °C | 21% | 23% | 94% | 759 mm Hg | W 273° 1.69 (3.58) m/s | 0 |
| 04:00 | Mist | 22 °C | 20% | 13% | 94% | 759 mm Hg | WNW 284° 2 (4.19) m/s | 0 |
| 05:00 |  Clear | 23 °C | 15% | 10% | 93% | 759 mm Hg | WNW 296° 1.89 (4) m/s | 0 |
| 06:00 | Clear | 23 °C | 15% | 9% | 92% | 759 mm Hg | NW 309° 1.69 (3.58) m/s | 0 |
| 07:00 |  Sunny | 23 °C | 15% | 11% | 91% | 759 mm Hg | NW 319° 1.39 (2.94) m/s | 0.1 |
| 08:00 | Sunny | 25 °C | 12% | 12% | 85% | 759 mm Hg | NNW 331° 1.11 (1.78) m/s | 0.7 |
| 09:00 | Sunny | 28 °C | 8% | 15% | 75% | 760 mm Hg | NNW 340° 1.11 (1.31) m/s | 1.9 |
| 10:00 | Sunny | 31 °C | 5% | 14% | 64% | 760 mm Hg | N 352° 1.39 (1.61) m/s | 4 |
| 11:00 | Sunny | 32 °C | 3% | 12% | 55% | 760 mm Hg | N 7° 1.5 (1.72) m/s | 6.3 |
| 12:00 | Sunny | 34 °C | 2% | 12% | 47% | 759 mm Hg | N 353° 1.69 (1.97) m/s | 8.2 |
| 13:00 |  Partly cloudy | 35 °C | 4% | 54% | 41% | 759 mm Hg | NNW 346° 2.19 (2.53) m/s | 9.1 |
| 14:00 | Partly cloudy | 36 °C | 4% | 52% | 39% | 758 mm Hg | N 349° 2 (2.31) m/s | 8.6 |
| 15:00 | Partly cloudy | 36 °C | 3% | 47% | 39% | 758 mm Hg | N 3° 2.31 (2.64) m/s | 5.8 |
| 16:00 | Partly cloudy | 33 °C | 3% | 27% | 52% | 758 mm Hg | NNE 32° 2.19 (3.64) m/s | 1.9 |
| 17:00 | Sunny | 32 °C | 3% | 23% | 54% | 758 mm Hg | NNE 13° 1.39 (2.47) m/s | 1.3 |
| 18:00 | Sunny | 33 °C | 3% | 22% | 50% | 758 mm Hg | N 2° 1.69 (2.28) m/s | 0.9 |
| 19:00 | Sunny | 30 °C | 5% | 23% | 64% | 758 mm Hg | NNE 15° 1.81 (3.19) m/s | 0.2 |
| 20:00 | Patchy rain possible | 28 °C | 10% (0.01 mm/hr) | 50% | 68% | 758 mm Hg | NE 39° 2.5 (4.94) m/s | 0 |
| 21:00 |  Light rain shower | 24 °C | 65% (1.04 mm/hr) | 76% | 87% | 760 mm Hg | NNE 15° 4.61 (7.33) m/s | 0 |
| 22:00 |  Moderate rain at times | 22 °C | 81% (2.95 mm/hr) | 68% | 97% | 761 mm Hg | NNE 16° 2.89 (4.81) m/s | 0 |
| 23:00 |  Moderate or heavy rain shower | 22 °C | 84% (4.83 mm/hr) | 56% | 98% | 761 mm Hg | N 2° 1.81 (3.39) m/s | 0 |
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.