5-day weather forecast Petersburg 18-03-2026
Weather forecast Petersburg tomorrow 18.03.2026: sunny, temperature from -1 °C to 8 °C.
No precipitation expected. Wind up to 2.81 m/s (gusts 5.5 m/s). Air humidity 28–75%, atmospheric pressure 769–773 mm Hg, UV index up to 4.7.
Sunrise 07:19
Sunset 19:19
Sunset 19:19
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 1 °C | 0% | 47% | 74% | 769 mm Hg | NW 323° 2.31 (4.14) m/s | 0 |
| 01:00 |  Clear | 1 °C | 0% | 0% | 38% | 770 mm Hg | NNW 331° 2 (3.61) m/s | 0 |
| 02:00 | Clear | 1 °C | 0% | 0% | 39% | 770 mm Hg | NNW 338° 2.11 (3.75) m/s | 0 |
| 03:00 | Clear | 0 °C | 0% | 0% | 39% | 770 mm Hg | NNW 341° 1.81 (3.08) m/s | 0 |
| 04:00 | Clear | 0 °C | 0% | 19% | 40% | 770 mm Hg | NNW 347° 1.89 (3.28) m/s | 0 |
| 05:00 | Clear | -1 °C | 0% | 14% | 40% | 771 mm Hg | N 350° 1.89 (2.89) m/s | 0 |
| 06:00 |  Overcast | -1 °C | 0% | 90% | 41% | 772 mm Hg | N 0° 2.61 (3.81) m/s | 0 |
| 07:00 | Overcast | 0 °C | 0% | 100% | 40% | 772 mm Hg | NNE 27° 2.61 (3.64) m/s | 0 |
| 08:00 |  Overcast | 0 °C | 0% | 100% | 37% | 772 mm Hg | NE 39° 2.61 (3.42) m/s | 0.1 |
| 09:00 | Overcast | 0 °C | 0% | 100% | 35% | 773 mm Hg | ENE 62° 2.69 (3.31) m/s | 0.4 |
| 10:00 | Overcast | 1 °C | 0% | 100% | 33% | 773 mm Hg | ENE 70° 2.19 (2.53) m/s | 1.2 |
| 11:00 |  Cloudy | 3 °C | 0% | 71% | 30% | 773 mm Hg | E 84° 1.69 (1.97) m/s | 2.2 |
| 12:00 |  Sunny | 4 °C | 0% | 9% | 29% | 773 mm Hg | E 100° 1.39 (1.61) m/s | 3.8 |
| 13:00 |  Partly cloudy | 5 °C | 0% | 31% | 28% | 773 mm Hg | SE 134° 1.19 (1.39) m/s | 4.7 |
| 14:00 | Sunny | 6 °C | 0% | 18% | 29% | 773 mm Hg | S 171° 1 (1.14) m/s | 4.4 |
| 15:00 | Sunny | 7 °C | 0% | 9% | 30% | 772 mm Hg | S 172° 1.19 (1.39) m/s | 3.2 |
| 16:00 | Sunny | 8 °C | 0% | 5% | 31% | 771 mm Hg | S 181° 1.5 (1.72) m/s | 2 |
| 17:00 | Sunny | 8 °C | 0% | 0% | 31% | 771 mm Hg | SSW 193° 1.69 (1.97) m/s | 0.9 |
| 18:00 | Sunny | 7 °C | 0% | 0% | 34% | 771 mm Hg | S 189° 1.89 (2.56) m/s | 0.2 |
| 19:00 | Sunny | 6 °C | 0% | 0% | 35% | 771 mm Hg | SSE 161° 1.5 (3.11) m/s | 0 |
| 20:00 | Clear | 5 °C | 0% | 0% | 36% | 771 mm Hg | SE 144° 2.19 (4.61) m/s | 0 |
| 21:00 | Clear | 4 °C | 0% | 0% | 39% | 771 mm Hg | SE 139° 2.5 (5.25) m/s | 0 |
| 22:00 | Clear | 2 °C | 0% | 0% | 40% | 771 mm Hg | SE 133° 2.81 (5.5) m/s | 0 |
| 23:00 | Partly cloudy | 3 °C | 0% | 26% | 75% | 770 mm Hg | SSE 151° 2.61 (4.89) 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.