5-day weather forecast Petersburg 28-07-2026
Weather forecast Petersburg Tuesday, July 28 28.07.2026: fog, temperature from 20 °C to 31 °C.
Precipitation probability 90%. Wind up to 5.39 m/s (gusts 9.22 m/s). Air humidity 54–98%, atmospheric pressure 752–758 mm Hg, UV index up to 6.6.
5 days at a glance — tap a day to open it
Sunrise 06:11
Sunset 20:21
Sunset 20:21
Full Moon100% illuminated
Moonrise 20:16 · Moonset 05:16
Moonrise 20:16 · Moonset 05:16
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Fog | 21 °C | 42% | 100% | 98% | 758 mm Hg | S 169° 2.5 (5.25) m/s | 0 |
| 01:00 | Fog | 21 °C | 42% | 100% | 98% | 757 mm Hg | SSE 166° 2.39 (5.03) m/s | 0 |
| 02:00 | Fog | 21 °C | 46% (0.04 mm/hr) | 100% | 98% | 757 mm Hg | SSW 193° 2.69 (5.67) m/s | 0 |
| 03:00 | Fog | 21 °C | 43% | 100% | 98% | 757 mm Hg | S 188° 2.31 (4.83) m/s | 0 |
| 04:00 | Fog | 21 °C | 43% | 100% | 98% | 757 mm Hg | SSW 210° 2 (4.19) m/s | 0 |
| 05:00 | Fog | 20 °C | 45% (0.02 mm/hr) | 100% | 98% | 756 mm Hg | SSW 209° 1.61 (3.36) m/s | 0 |
| 06:00 | Fog | 21 °C | 43% | 100% | 98% | 756 mm Hg | SSW 199° 1.89 (4) m/s | 0 |
| 07:00 |  Fog | 21 °C | 43% (0.01 mm/hr) | 100% | 97% | 756 mm Hg | S 181° 2.11 (4.14) m/s | 0.2 |
| 08:00 |  Mist | 23 °C | 23% | 32% | 94% | 756 mm Hg | S 191° 2.39 (3.75) m/s | 0.6 |
| 09:00 |  Sunny | 25 °C | 14% | 24% | 88% | 756 mm Hg | SSW 201° 3.5 (4.61) m/s | 1.4 |
| 10:00 | Sunny | 27 °C | 8% | 23% | 74% | 756 mm Hg | SSW 206° 4.31 (4.94) m/s | 2.4 |
| 11:00 |  Partly cloudy | 29 °C | 6% | 30% | 63% | 755 mm Hg | SSW 207° 4.5 (5.17) m/s | 3 |
| 12:00 |  Cloudy | 30 °C | 8% | 64% | 58% | 755 mm Hg | SSW 209° 4.69 (5.42) m/s | 3.1 |
| 13:00 |  Patchy rain possible | 30 °C | 17% (0.08 mm/hr) | 52% | 59% | 755 mm Hg | SSW 198° 4.39 (5.53) m/s | 3.5 |
| 14:00 | Sunny | 31 °C | 3% | 13% | 54% | 754 mm Hg | SSW 204° 4.5 (5.53) m/s | 4.4 |
| 15:00 | Sunny | 31 °C | 3% | 19% | 55% | 754 mm Hg | SSW 195° 5 (6.75) m/s | 6.6 |
| 16:00 |  Overcast | 31 °C | 12% | 95% | 56% | 753 mm Hg | SSW 201° 4.81 (6.89) m/s | 3.9 |
| 17:00 | Patchy rain possible | 31 °C | 7% (0.01 mm/hr) | 58% | 56% | 752 mm Hg | SSW 207° 4.89 (7.58) m/s | 2.1 |
| 18:00 | Partly cloudy | 29 °C | 7% | 47% | 61% | 752 mm Hg | SSW 202° 4.11 (7.36) m/s | 0.6 |
| 19:00 | Patchy rain possible | 29 °C | 13% (0.03 mm/hr) | 81% | 60% | 752 mm Hg | SSW 201° 5.11 (8.25) m/s | 0.2 |
| 20:00 |  Heavy rain at times | 24 °C | 90% (11.57 mm/hr) | 76% | 92% | 752 mm Hg | WSW 249° 2.69 (5.22) m/s | 0 |
| 21:00 |  Patchy rain possible | 23 °C | 33% (0.08 mm/hr) | 71% | 94% | 752 mm Hg | S 190° 3.11 (6.5) m/s | 0 |
| 22:00 | Patchy rain possible | 23 °C | 26% (0.01 mm/hr) | 71% | 94% | 752 mm Hg | SSW 210° 5.39 (9.22) m/s | 0 |
| 23:00 |  Partly cloudy | 23 °C | 17% | 26% | 94% | 752 mm Hg | SSW 197° 4.31 (7.36) m/s | 0 |
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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.