5-day weather forecast St. Petersburg Sep 8, 2026
31°Weather forecast St. Petersburg Tuesday Sep 8, 2026: sunny, temperature from 28 °C to 31 °C.
Precipitation probability 16%. Wind up to 6.31 m/s (gusts 10.31 m/s). Air humidity 59–76%, atmospheric pressure 762–764 mm Hg, UV index up to 9.9.
5 days at a glance — tap a day to open it
Sunrise 07:12
Sunset 19:43
Sunset 19:43
Waning Crescent6% illuminated
Moonrise 04:03 · Moonset 18:02
Moonrise 04:03 · Moonset 18:02
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 29 °C | 4% | 0% | 65% | 762 mm Hg | WNW 293° 2.61 (5.61) m/s | 0 |
| 01:00 | Clear | 29 °C | 4% | 0% | 65% | 762 mm Hg | NNW 335° 2.19 (2.19) m/s | 0 |
| 02:00 | Clear | 29 °C | 4% | 0% | 64% | 762 mm Hg | N 11° 2.19 (2.39) m/s | 0 |
| 03:00 | Clear | 29 °C | 4% | 0% | 66% | 762 mm Hg | NE 56° 2.5 (2.5) m/s | 0 |
| 04:00 | Clear | 29 °C | 5% | 0% | 70% | 762 mm Hg | E 82° 3.19 (8.19) m/s | 0 |
| 05:00 | Clear | 28 °C | 7% | 1% | 74% | 762 mm Hg | E 91° 3.39 (6.39) m/s | 0 |
| 06:00 | Clear | 28 °C | 7% | 0% | 76% | 762 mm Hg | E 94° 2.89 (5.89) m/s | 0 |
| 07:00 | Clear | 28 °C | 7% | 1% | 76% | 763 mm Hg | E 86° 2 (6) m/s | 0 |
| 08:00 | Sunny | 28 °C | 7% | 3% | 75% | 764 mm Hg | ENE 62° 1.69 (6.69) m/s | 0.2 |
| 09:00 | Sunny | 28 °C | 7% | 5% | 73% | 764 mm Hg | ENE 58° 2 (5) m/s | 1.2 |
| 10:00 | Sunny | 29 °C | 6% | 5% | 70% | 764 mm Hg | E 95° 1.81 (4.81) m/s | 3.1 |
| 11:00 |  Partly cloudy | 29 °C | 8% | 43% | 67% | 764 mm Hg | ESE 119° 1.5 (5.5) m/s | 5.7 |
| 12:00 | Sunny | 30 °C | 4% | 5% | 65% | 764 mm Hg | SSE 163° 1.11 (4.11) m/s | 8.4 |
| 13:00 | Sunny | 30 °C | 4% | 5% | 64% | 764 mm Hg | SW 214° 1.61 (4.61) m/s | 9.7 |
| 14:00 | Sunny | 30 °C | 4% | 5% | 63% | 764 mm Hg | WSW 247° 2.31 (7.31) m/s | 9.9 |
| 15:00 | Sunny | 31 °C | 4% | 6% | 61% | 764 mm Hg | W 266° 3 (6) m/s | 8.1 |
| 16:00 | Sunny | 31 °C | 4% | 11% | 59% | 764 mm Hg | WNW 286° 4.39 (9.39) m/s | 5.1 |
| 17:00 | Sunny | 31 °C | 4% | 3% | 61% | 764 mm Hg | WNW 298° 6.19 (10.19) m/s | 2.6 |
| 18:00 | Sunny | 31 °C | 4% | 5% | 63% | 764 mm Hg | NW 307° 6.31 (10.31) m/s | 1.1 |
| 19:00 | Sunny | 31 °C | 4% | 5% | 63% | 764 mm Hg | NW 313° 5.61 (9.61) m/s | 0.2 |
| 20:00 | Clear | 31 °C | 4% | 4% | 63% | 764 mm Hg | NW 323° 4.81 (8.81) m/s | 0 |
| 21:00 | Clear | 31 °C | 4% | 5% | 63% | 764 mm Hg | NNW 335° 4.5 (4.5) m/s | 0 |
| 22:00 |  Patchy rain possible | 31 °C | 16% (0.04 mm/hr) | 89% | 63% | 764 mm Hg | N 356° 4.11 (4.61) m/s | 0 |
| 23:00 | Clear | 31 °C | 4% | 6% | 63% | 764 mm Hg | NNE 20° 4.31 (4.92) 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.