5-day weather forecast Petersburg 21-03-2026
Weather forecast Petersburg Saturday 21 March 21.03.2026: patchy rain possible, temperature from 7 °C to 15 °C.
Precipitation probability 62%. Wind up to 5.39 m/s (gusts 6.28 m/s). Air humidity 62–97%, atmospheric pressure 758–764 mm Hg, UV index up to 4.
Sunrise 07:19
Sunset 19:19
Sunset 19:19
Chart
Table
Type of temperature:
°C
°FSat, 21 Mar, 2026
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 9 °C | 0% | 100% | 94% | 761 mm Hg | SSE 164° 2.39 (5.03) m/s | 0 |
| 01:00 | Overcast | 8 °C | 0% | 100% | 93% | 761 mm Hg | S 169° 2.5 (5.08) m/s | 0 |
| 02:00 | Overcast | 8 °C | 0% | 100% | 94% | 760 mm Hg | S 171° 2.81 (5.56) m/s | 0 |
| 03:00 |  Cloudy | 9 °C | 0% | 64% | 90% | 759 mm Hg | S 169° 3.31 (5.78) m/s | 0 |
| 04:00 | Cloudy | 8 °C | 0% | 83% | 89% | 759 mm Hg | S 186° 3 (5.11) m/s | 0 |
| 05:00 |  Patchy rain possible | 9 °C | 62% (0.01 mm/hr) | 100% | 89% | 758 mm Hg | S 182° 3.69 (6.28) m/s | 0 |
| 06:00 |  Light drizzle | 9 °C | 100% (0.53 mm/hr) | 93% | 87% | 758 mm Hg | SSW 195° 3.39 (5.25) m/s | 0 |
| 07:00 |  Moderate rain | 9 °C | 100% (4.23 mm/hr) | 100% | 96% | 758 mm Hg | WSW 242° 1.69 (2.61) m/s | 0 |
| 08:00 |  Mist | 10 °C | 82% (0.05 mm/hr) | 88% | 96% | 758 mm Hg | S 191° 3.11 (4.69) m/s | 0.2 |
| 09:00 |  Cloudy | 11 °C | 0% | 79% | 93% | 758 mm Hg | SSW 203° 3.69 (4.97) m/s | 3 |
| 10:00 |  Patchy rain possible | 12 °C | 74% (0.01 mm/hr) | 100% | 87% | 759 mm Hg | WSW 246° 2.89 (3.47) m/s | 3 |
| 11:00 | Patchy rain possible | 12 °C | 100% (0.09 mm/hr) | 100% | 84% | 759 mm Hg | WNW 298° 2.61 (3.22) m/s | 3 |
| 12:00 | Patchy rain possible | 14 °C | 69% (0.01 mm/hr) | 78% | 88% | 759 mm Hg | NW 323° 2.11 (2.89) m/s | 3 |
| 13:00 | Patchy rain possible | 15 °C | 100% (0.1 mm/hr) | 92% | 69% | 759 mm Hg | N 349° 4.19 (4.83) m/s | 4 |
| 14:00 | Patchy rain possible | 15 °C | 100% (0.1 mm/hr) | 71% | 67% | 759 mm Hg | N 354° 5.19 (5.97) m/s | 4 |
| 15:00 | Patchy rain possible | 15 °C | 63% (0.04 mm/hr) | 72% | 63% | 759 mm Hg | N 1° 5.39 (6.22) m/s | 4 |
| 16:00 | Patchy rain possible | 15 °C | 80% (0.01 mm/hr) | 71% | 64% | 760 mm Hg | N 358° 5 (5.92) m/s | 4 |
| 17:00 | Patchy rain possible | 15 °C | 72% (0.01 mm/hr) | 81% | 62% | 761 mm Hg | N 7° 5.19 (6.22) m/s | 4 |
| 18:00 |  Partly cloudy | 14 °C | 0% | 32% | 68% | 761 mm Hg | NNE 16° 3.89 (5.28) m/s | 4 |
| 19:00 |  Sunny | 12 °C | 0% | 23% | 76% | 762 mm Hg | NNE 31° 3.61 (5.36) m/s | 4 |
| 20:00 |  Clear | 10 °C | 0% | 23% | 90% | 763 mm Hg | NE 47° 2.89 (5.14) m/s | 0 |
| 21:00 |  Mist | 9 °C | 0% | 20% | 95% | 763 mm Hg | ENE 60° 2 (3.86) m/s | 0 |
| 22:00 | Mist | 8 °C | 0% | 23% | 96% | 763 mm Hg | ENE 74° 2 (3.94) m/s | 0 |
| 23:00 | Mist | 7 °C | 0% | 25% | 97% | 764 mm Hg | E 86° 1.89 (3.78) 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.