5-day weather forecast St. Petersburg 19-08-2026
Weather forecast St. Petersburg Wednesday, August 19 19.08.2026: patchy rain possible, temperature from 16 °C to 17 °C.
Precipitation probability 21%. Wind up to 7.39 m/s (gusts 11.89 m/s). Air humidity 67–75%, atmospheric pressure 769–770 mm Hg, UV index up to 10.1.
5 days at a glance — tap a day to open it
Sunrise 07:03
Sunset 20:05
Sunset 20:05
First Quarter48% illuminated
Moonrise 14:02 · Moonset Does not set today
Moonrise 14:02 · Moonset Does not set today
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 16 °C | 20% (0.04 mm/hr) | 100% | 67% | 770 mm Hg | SE 136° 7.31 (7.61) m/s | 0 |
| 01:00 | Patchy rain possible | 16 °C | 20% (0.03 mm/hr) | 100% | 68% | 770 mm Hg | SE 129° 7.39 (7.83) m/s | 0 |
| 02:00 | Patchy rain possible | 16 °C | 20% (0.03 mm/hr) | 100% | 68% | 770 mm Hg | SE 124° 7.11 (7.5) m/s | 0 |
| 03:00 | Patchy rain possible | 16 °C | 20% (0.04 mm/hr) | 99% | 67% | 769 mm Hg | SE 125° 6.69 (7) m/s | 0 |
| 04:00 | Patchy rain possible | 16 °C | 20% (0.03 mm/hr) | 100% | 68% | 769 mm Hg | SE 127° 6.5 (6.92) m/s | 0 |
| 05:00 |  Partly cloudy | 16 °C | 10% | 54% | 67% | 769 mm Hg | SE 124° 6.5 (7) m/s | 0 |
| 06:00 | Patchy rain possible | 16 °C | 14% (0.01 mm/hr) | 76% | 69% | 769 mm Hg | SE 124° 6.89 (11.89) m/s | 0 |
| 07:00 | Partly cloudy | 16 °C | 8% | 35% | 68% | 769 mm Hg | ESE 122° 6.69 (6.92) m/s | 0 |
| 08:00 |  Patchy rain possible | 16 °C | 14% (0.01 mm/hr) | 77% | 68% | 769 mm Hg | ESE 117° 6.69 (6.72) m/s | 0.3 |
| 09:00 |  Overcast | 17 °C | 16% | 90% | 68% | 770 mm Hg | ESE 115° 6.11 (6.11) m/s | 1.3 |
| 10:00 |  Cloudy | 17 °C | 15% | 84% | 68% | 770 mm Hg | ESE 110° 5.81 (5.83) m/s | 3.4 |
| 11:00 |  Partly cloudy | 17 °C | 10% | 52% | 69% | 770 mm Hg | ESE 105° 5.81 (5.81) m/s | 6 |
| 12:00 | Partly cloudy | 17 °C | 11% | 58% | 69% | 770 mm Hg | ESE 110° 5.11 (5.11) m/s | 8.5 |
| 13:00 | Cloudy | 17 °C | 11% | 64% | 69% | 770 mm Hg | ESE 109° 5.11 (5.11) m/s | 10 |
| 14:00 | Partly cloudy | 17 °C | 10% | 47% | 69% | 770 mm Hg | ESE 113° 5.19 (5.22) m/s | 10.1 |
| 15:00 |  Sunny | 17 °C | 7% | 19% | 70% | 770 mm Hg | ESE 114° 5.11 (5.19) m/s | 8.6 |
| 16:00 | Sunny | 17 °C | 7% | 19% | 71% | 769 mm Hg | ESE 117° 5.61 (9.61) m/s | 6.1 |
| 17:00 | Sunny | 17 °C | 8% | 20% | 72% | 769 mm Hg | ESE 122° 5.61 (8.61) m/s | 3.5 |
| 18:00 | Sunny | 17 °C | 8% | 16% | 73% | 769 mm Hg | ESE 120° 5.89 (5.92) m/s | 1.4 |
| 19:00 | Partly cloudy | 17 °C | 9% | 27% | 74% | 769 mm Hg | SE 127° 5.5 (5.5) m/s | 0.4 |
| 20:00 | Sunny | 17 °C | 8% | 5% | 75% | 770 mm Hg | ESE 116° 6 (6.11) m/s | 0 |
| 21:00 |  Clear | 17 °C | 9% | 21% | 75% | 770 mm Hg | ESE 115° 5.81 (5.92) m/s | 0 |
| 22:00 | Patchy rain possible | 17 °C | 21% (0.01 mm/hr) | 100% | 75% | 770 mm Hg | ESE 119° 5.19 (5.33) m/s | 0 |
| 23:00 | Clear | 17 °C | 8% | 7% | 75% | 770 mm Hg | ESE 119° 5.19 (5.33) m/s | 0 |
St. Petersburg on the map
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.