5-day weather forecast Saint Petersburg 18-03-2026
Weather forecast Saint Petersburg tomorrow 18.03.2026: sunny, temperature from 1 °C to 7 °C.
No precipitation expected. Wind up to 3 m/s (gusts 5.67 m/s). Air humidity 59–95%, atmospheric pressure 771–775 mm Hg, UV index up to 1.5.
Sunrise 07:06
Sunset 19:06
Sunset 19:06
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 4 °C | 0% | 100% | 84% | 771 mm Hg | WSW 240° 1.69 (3.47) m/s | 0 |
| 01:00 | Overcast | 4 °C | 0% | 100% | 84% | 772 mm Hg | WSW 258° 1.89 (3.42) m/s | 0 |
| 02:00 | Overcast | 4 °C | 0% | 95% | 88% | 772 mm Hg | W 279° 2.11 (3.64) m/s | 0 |
| 03:00 |  Cloudy | 3 °C | 0% | 63% | 92% | 773 mm Hg | W 272° 1.89 (3.36) m/s | 0 |
| 04:00 |  Partly cloudy | 2 °C | 0% | 26% | 94% | 773 mm Hg | W 268° 1.89 (3.53) m/s | 0 |
| 05:00 |  Mist | 1 °C | 0% | 40% | 95% | 773 mm Hg | W 270° 1.89 (3.81) m/s | 0 |
| 06:00 | Mist | 1 °C | 0% | 61% | 95% | 773 mm Hg | W 264° 1.89 (3.86) m/s | 0 |
| 07:00 | Mist | 0 °C | 0% | 81% | 95% | 773 mm Hg | WSW 253° 1.89 (4) m/s | 0 |
| 08:00 |  Cloudy | 1 °C | 0% | 80% | 93% | 774 mm Hg | WSW 253° 1.81 (3.61) m/s | 0.1 |
| 09:00 |  Partly cloudy | 2 °C | 0% | 40% | 86% | 774 mm Hg | WSW 249° 1.61 (2.75) m/s | 0.3 |
| 10:00 |  Sunny | 4 °C | 0% | 16% | 75% | 775 mm Hg | W 262° 1.89 (2.64) m/s | 0.7 |
| 11:00 | Sunny | 5 °C | 0% | 5% | 67% | 775 mm Hg | W 263° 2.31 (2.94) m/s | 1.1 |
| 12:00 | Sunny | 6 °C | 0% | 5% | 62% | 775 mm Hg | W 260° 2.81 (3.47) m/s | 1.4 |
| 13:00 | Sunny | 7 °C | 0% | 10% | 60% | 775 mm Hg | W 268° 2.89 (3.5) m/s | 1.5 |
| 14:00 | Sunny | 7 °C | 0% | 17% | 59% | 775 mm Hg | W 272° 3 (3.64) m/s | 1.4 |
| 15:00 |  Overcast | 7 °C | 0% | 99% | 59% | 774 mm Hg | W 274° 2.89 (3.64) m/s | 1.1 |
| 16:00 | Sunny | 7 °C | 0% | 6% | 61% | 774 mm Hg | W 281° 2.81 (3.64) m/s | 0.7 |
| 17:00 | Sunny | 6 °C | 0% | 17% | 66% | 774 mm Hg | WNW 287° 2.5 (3.42) m/s | 0.4 |
| 18:00 | Partly cloudy | 5 °C | 0% | 27% | 73% | 774 mm Hg | WNW 289° 1.89 (2.94) m/s | 0.1 |
| 19:00 | Sunny | 3 °C | 0% | 13% | 80% | 773 mm Hg | W 272° 1.39 (2.83) m/s | 0 |
| 20:00 |  Clear | 3 °C | 0% | 8% | 81% | 773 mm Hg | WSW 239° 1.5 (3.14) m/s | 0 |
| 21:00 | Clear | 3 °C | 0% | 20% | 82% | 773 mm Hg | SW 220° 2.11 (4.42) m/s | 0 |
| 22:00 | Partly cloudy | 3 °C | 0% | 46% | 82% | 773 mm Hg | SW 215° 2.5 (5.25) m/s | 0 |
| 23:00 | Partly cloudy | 2 °C | 0% | 46% | 82% | 773 mm Hg | SW 226° 2.69 (5.67) 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.