5-day weather forecast Saint Petersburg 18-03-2026
Weather forecast Saint Petersburg tomorrow 18.03.2026: sunny, temperature from 2 °C to 8 °C.
Precipitation probability 72%. Wind up to 3.31 m/s (gusts 6.42 m/s). Air humidity 61–94%, atmospheric pressure 771–774 mm Hg, UV index up to 1.5.
Sunrise 07:08
Sunset 19:07
Sunset 19:07
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 3 °C | 0% | 56% | 85% | 771 mm Hg | SSW 199° 2.31 (4.83) m/s | 0 |
| 01:00 |  Cloudy | 3 °C | 0% | 72% | 87% | 771 mm Hg | SW 217° 2.11 (4.42) m/s | 0 |
| 02:00 | Partly cloudy | 3 °C | 0% | 62% | 89% | 771 mm Hg | SW 230° 1.89 (4) m/s | 0 |
| 03:00 | Cloudy | 3 °C | 0% | 79% | 89% | 772 mm Hg | WSW 238° 1.61 (3.19) m/s | 0 |
| 04:00 |  Overcast | 3 °C | 0% | 100% | 90% | 772 mm Hg | WSW 243° 1.61 (3.03) m/s | 0 |
| 05:00 |  Patchy rain possible | 3 °C | 72% (0.01 mm/hr) | 100% | 92% | 773 mm Hg | W 263° 1.69 (3.06) m/s | 0 |
| 06:00 |  Mist | 3 °C | 0% | 100% | 94% | 773 mm Hg | W 272° 1.89 (3.36) m/s | 0 |
| 07:00 | Mist | 2 °C | 0% | 96% | 94% | 773 mm Hg | W 274° 2 (3.47) m/s | 0 |
| 08:00 |  Cloudy | 2 °C | 0% | 63% | 91% | 773 mm Hg | W 267° 1.89 (3.19) m/s | 0.1 |
| 09:00 |  Partly cloudy | 3 °C | 0% | 29% | 87% | 773 mm Hg | WSW 252° 2 (3.11) m/s | 0.3 |
| 10:00 | Partly cloudy | 4 °C | 0% | 27% | 78% | 774 mm Hg | W 264° 2.61 (3.5) m/s | 0.7 |
| 11:00 |  Sunny | 5 °C | 0% | 15% | 72% | 774 mm Hg | W 265° 2.81 (3.5) m/s | 1.1 |
| 12:00 | Sunny | 6 °C | 0% | 7% | 68% | 774 mm Hg | W 264° 3 (3.69) m/s | 1.4 |
| 13:00 | Sunny | 7 °C | 0% | 10% | 65% | 774 mm Hg | W 262° 2.81 (3.39) m/s | 1.5 |
| 14:00 | Sunny | 8 °C | 0% | 17% | 63% | 773 mm Hg | WSW 254° 2.69 (3.28) m/s | 1.4 |
| 15:00 | Partly cloudy | 8 °C | 0% | 34% | 61% | 773 mm Hg | WSW 256° 3 (3.81) m/s | 1.1 |
| 16:00 | Partly cloudy | 8 °C | 0% | 34% | 62% | 773 mm Hg | W 267° 3.11 (4) m/s | 0.7 |
| 17:00 | Partly cloudy | 7 °C | 0% | 28% | 67% | 773 mm Hg | W 277° 2.69 (3.67) m/s | 0.4 |
| 18:00 | Partly cloudy | 6 °C | 0% | 33% | 74% | 773 mm Hg | WNW 285° 2 (2.97) m/s | 0.1 |
| 19:00 | Sunny | 4 °C | 0% | 15% | 82% | 773 mm Hg | W 271° 1.5 (2.86) m/s | 0 |
| 20:00 |  Clear | 3 °C | 0% | 16% | 85% | 772 mm Hg | WSW 245° 1.81 (3.78) m/s | 0 |
| 21:00 | Clear | 3 °C | 0% | 8% | 86% | 772 mm Hg | SW 228° 2.31 (4.83) m/s | 0 |
| 22:00 | Clear | 3 °C | 0% | 10% | 86% | 772 mm Hg | SW 221° 2.89 (5.92) m/s | 0 |
| 23:00 | Clear | 3 °C | 0% | 18% | 86% | 771 mm Hg | SW 217° 3.31 (6.42) m/s | 0 |
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.