5-day weather forecast Saint Petersburg 21-03-2026
Weather forecast Saint Petersburg Saturday 21 March 21.03.2026: sunny, temperature from 2 °C to 7 °C.
No precipitation expected. Wind up to 4.69 m/s (gusts 6.06 m/s). Air humidity 62–90%, atmospheric pressure 767–770 mm Hg, UV index up to 3.
Sunrise 07:11
Sunset 19:05
Sunset 19:05
Chart
Table
Type of temperature:
°C
°FSat, 21 Mar, 2026
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 0 °C | 0% | 11% | 85% | 767 mm Hg | WSW 256° 2.11 (4.36) m/s | 0 |
| 01:00 | Clear | 0 °C | 0% | 7% | 84% | 767 mm Hg | WSW 253° 2 (4.17) m/s | 0 |
| 02:00 | Clear | 0 °C | 0% | 8% | 84% | 767 mm Hg | WSW 253° 2 (4.19) m/s | 0 |
| 03:00 | Clear | 0 °C | 0% | 9% | 83% | 768 mm Hg | WSW 252° 2 (4.19) m/s | 0 |
| 04:00 | Clear | 0 °C | 0% | 13% | 84% | 768 mm Hg | WSW 250° 2.11 (4.42) m/s | 0 |
| 05:00 | Clear | 0 °C | 0% | 13% | 85% | 768 mm Hg | WSW 248° 2.19 (4.61) m/s | 0 |
| 06:00 | Clear | 0 °C | 0% | 8% | 88% | 768 mm Hg | WSW 249° 2.31 (4.81) m/s | 0 |
| 07:00 |  Sunny | 0 °C | 0% | 9% | 90% | 768 mm Hg | WSW 249° 2.19 (4.61) m/s | 0 |
| 08:00 | Sunny | 0 °C | 0% | 8% | 88% | 768 mm Hg | WSW 251° 2.31 (4.61) m/s | 0.2 |
| 09:00 | Sunny | 2 °C | 0% | 7% | 81% | 768 mm Hg | WSW 247° 2.81 (4.42) m/s | 0.4 |
| 10:00 | Sunny | 4 °C | 0% | 7% | 71% | 769 mm Hg | WSW 255° 3.69 (5.03) m/s | 0.8 |
| 11:00 | Sunny | 5 °C | 0% | 7% | 63% | 769 mm Hg | W 264° 4.31 (5.56) m/s | 1.2 |
| 12:00 | Sunny | 6 °C | 0% | 6% | 62% | 769 mm Hg | W 269° 4.5 (5.67) m/s | 1.6 |
| 13:00 | Sunny | 6 °C | 0% | 5% | 62% | 769 mm Hg | W 271° 4.61 (5.83) m/s | 1.7 |
| 14:00 | Sunny | 7 °C | 0% | 6% | 63% | 769 mm Hg | W 272° 4.69 (5.97) m/s | 1.6 |
| 15:00 | Sunny | 7 °C | 0% | 5% | 63% | 769 mm Hg | W 273° 4.61 (6) m/s | 1.3 |
| 16:00 | Sunny | 6 °C | 0% | 5% | 64% | 769 mm Hg | W 275° 4.5 (6.06) m/s | 3 |
| 17:00 | Sunny | 6 °C | 0% | 5% | 67% | 769 mm Hg | W 275° 3.89 (5.53) m/s | 3 |
| 18:00 | Sunny | 5 °C | 0% | 6% | 70% | 769 mm Hg | W 273° 3.5 (5.72) m/s | 3 |
| 19:00 | Sunny | 4 °C | 0% | 8% | 76% | 769 mm Hg | W 270° 3 (5.86) m/s | 2 |
| 20:00 | Clear | 3 °C | 0% | 9% | 79% | 770 mm Hg | W 265° 2.69 (5.67) m/s | 0 |
| 21:00 | Clear | 2 °C | 0% | 10% | 81% | 770 mm Hg | WSW 256° 2.61 (5.47) m/s | 0 |
| 22:00 | Clear | 2 °C | 0% | 10% | 82% | 770 mm Hg | WSW 250° 2.61 (5.47) m/s | 0 |
| 23:00 | Clear | 2 °C | 0% | 9% | 83% | 770 mm Hg | WSW 249° 2.5 (5.25) m/s | 0 |
Sat, 21 Mar, 2026
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.