5-day weather forecast Saint Petersburg 20-07-2026
Weather forecast Saint Petersburg Monday, July 20 20.07.2026: patchy rain possible, temperature from 12 °C to 21 °C.
Precipitation probability 26%. Wind up to 4.19 m/s (gusts 5.39 m/s). Air humidity 46–83%, atmospheric pressure 758–764 mm Hg, UV index up to 5.
Sunrise 04:13
Sunset 21:56
Sunset 21:56
First Quarter43% illuminated
Moonrise 13:09 · Moonset 22:48
Moonrise 13:09 · Moonset 22:48
Chart
Table
Mon, Jul 20, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 14 °C | 17% (0.01 mm/hr) | 87% | 71% | 761 mm Hg | WSW 241° 2.31 (4.42) m/s | 0 |
| 01:00 |  Partly cloudy | 13 °C | 10% | 47% | 72% | 761 mm Hg | SW 232° 2 (4) m/s | 0 |
| 02:00 | Partly cloudy | 12 °C | 11% | 47% | 74% | 761 mm Hg | SW 220° 1.81 (3.78) m/s | 0 |
| 03:00 | Partly cloudy | 12 °C | 12% | 47% | 75% | 761 mm Hg | SSW 209° 1.81 (3.78) m/s | 0 |
| 04:00 | Patchy rain possible | 13 °C | 25% (0.01 mm/hr) | 92% | 83% | 758 mm Hg | WNW 289° 3.89 (5.33) m/s | 0 |
| 05:00 |  Patchy rain possible | 13 °C | 26% (0.01 mm/hr) | 100% | 83% | 758 mm Hg | WNW 299° 3.39 (4.61) m/s | 0 |
| 06:00 |  Partly cloudy | 12 °C | 11% | 45% | 74% | 762 mm Hg | SSW 208° 1.61 (2.89) m/s | 0.1 |
| 07:00 | Patchy rain possible | 12 °C | 26% (0.02 mm/hr) | 100% | 80% | 759 mm Hg | NW 322° 3.5 (4.61) m/s | 0.1 |
| 08:00 | Patchy rain possible | 12 °C | 24% (0.01 mm/hr) | 100% | 79% | 760 mm Hg | NNW 344° 3.5 (4.58) m/s | 0.3 |
| 09:00 | Partly cloudy | 17 °C | 6% | 50% | 55% | 762 mm Hg | SW 234° 0.81 (0.92) m/s | 0.6 |
| 10:00 | Patchy rain possible | 12 °C | 23% (0.01 mm/hr) | 100% | 76% | 761 mm Hg | N 359° 3.19 (4.11) m/s | 1.4 |
| 11:00 | Patchy rain possible | 12 °C | 22% (0.01 mm/hr) | 100% | 75% | 761 mm Hg | N 4° 3.69 (4.72) m/s | 2.5 |
| 12:00 | Patchy rain possible | 21 °C | 17% (0.07 mm/hr) | 58% | 46% | 762 mm Hg | N 8° 0.19 (0.22) m/s | 2.6 |
| 13:00 | Patchy rain possible | 12 °C | 21% (0.01 mm/hr) | 100% | 73% | 762 mm Hg | N 8° 4.19 (5.39) m/s | 2.1 |
| 14:00 | Patchy rain possible | 12 °C | 21% (0.02 mm/hr) | 100% | 73% | 763 mm Hg | NNE 12° 4 (5) m/s | 1 |
| 15:00 |  Sunny | 20 °C | 3% | 24% | 47% | 762 mm Hg | N 355° 1.31 (1.5) m/s | 0.9 |
| 16:00 | Patchy rain possible | 12 °C | 22% (0.02 mm/hr) | 100% | 74% | 764 mm Hg | NNE 14° 3.81 (5.03) m/s | 3 |
| 17:00 | Patchy rain possible | 12 °C | 22% (0.01 mm/hr) | 100% | 75% | 764 mm Hg | NNE 15° 3.69 (4.78) m/s | 3 |
| 18:00 | Partly cloudy | 19 °C | 4% | 31% | 51% | 762 mm Hg | NNE 15° 2.5 (3.14) m/s | 5 |
| 19:00 |  Overcast | 12 °C | 19% | 100% | 72% | 764 mm Hg | NNE 26° 3.81 (5) m/s | 3 |
| 20:00 | Overcast | 12 °C | 18% | 100% | 70% | 764 mm Hg | NE 35° 3.5 (4.64) m/s | 3 |
| 21:00 | Sunny | 15 °C | 7% | 12% | 71% | 763 mm Hg | NNE 30° 1.89 (3.75) m/s | 4 |
| 22:00 |  Clear | 13 °C | 7% | 12% | 72% | 763 mm Hg | NE 40° 2 (4.11) m/s | 0 |
| 23:00 | Clear | 12 °C | 7% | 11% | 73% | 763 mm Hg | NE 50° 2.19 (4.5) m/s | 0 |
Mon, Jul 20, 2026
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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.