5-day weather forecast St. Petersburg Oct 20, 2026
26°Weather forecast St. Petersburg Tuesday Oct 20, 2026: sunny, temperature from 19 °C to 26 °C.
Precipitation probability 7%. Wind up to 8.11 m/s (gusts 9.11 m/s). Air humidity 40–75%, atmospheric pressure 763–766 mm Hg, UV index up to 7.
5 days at a glance — tap a day to open it
Sunrise 07:33
Sunset 18:57
Sunset 18:57
Waxing Gibbous77% illuminated
Moonrise 15:54 · Moonset 02:28
Moonrise 15:54 · Moonset 02:28
Chart
Table
Tue, Oct 20, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 22 °C | 5% | 0% | 69% | 765 mm Hg | NE 52° 7.81 (8.5) m/s | 0 |
| 01:00 | Clear | 21 °C | 6% | 0% | 70% | 765 mm Hg | NE 51° 7.39 (8.11) m/s | 0 |
| 02:00 | Clear | 21 °C | 6% | 0% | 71% | 764 mm Hg | NE 49° 7.19 (7.92) m/s | 0 |
| 03:00 | Clear | 20 °C | 6% | 0% | 71% | 764 mm Hg | NE 47° 6.81 (7.42) m/s | 0 |
| 04:00 | Clear | 20 °C | 6% | 0% | 72% | 764 mm Hg | NE 43° 6.61 (7.11) m/s | 0 |
| 05:00 | Clear | 20 °C | 7% | 0% | 74% | 764 mm Hg | NE 39° 6.61 (7.11) m/s | 0 |
| 06:00 | Clear | 20 °C | 7% | 0% | 75% | 764 mm Hg | NE 38° 6.69 (7.39) m/s | 0 |
| 07:00 | Clear | 20 °C | 7% | 0% | 74% | 764 mm Hg | NE 36° 6.61 (7.39) m/s | 0 |
| 08:00 | Sunny | 19 °C | 7% | 0% | 73% | 765 mm Hg | NE 36° 6.81 (7.61) m/s | 0 |
| 09:00 | Sunny | 20 °C | 5% | 0% | 69% | 765 mm Hg | NE 39° 6.89 (7.72) m/s | 5 |
| 10:00 | Sunny | 21 °C | 4% | 0% | 65% | 766 mm Hg | NE 42° 6.81 (7.53) m/s | 6 |
| 11:00 | Sunny | 22 °C | 4% | 0% | 62% | 765 mm Hg | NE 43° 6.61 (6.81) m/s | 6 |
| 12:00 | Sunny | 23 °C | 3% | 0% | 57% | 765 mm Hg | NE 47° 6 (6.11) m/s | 6 |
| 13:00 | Sunny | 24 °C | 2% | 0% | 52% | 765 mm Hg | NE 51° 5.11 (5.33) m/s | 6 |
| 14:00 | Sunny | 25 °C | 1% | 0% | 47% | 764 mm Hg | NE 51° 4.39 (5) m/s | 6 |
| 15:00 | Sunny | 25 °C | 1% | 0% | 42% | 764 mm Hg | NE 50° 4.11 (4.89) m/s | 7 |
| 16:00 | Sunny | 26 °C | 1% | 0% | 40% | 763 mm Hg | NE 51° 4.11 (5.11) m/s | 7 |
| 17:00 | Sunny | 26 °C | 1% | 0% | 42% | 763 mm Hg | NE 49° 4.69 (5.5) m/s | 7 |
| 18:00 | Sunny | 26 °C | 1% | 0% | 43% | 763 mm Hg | NE 46° 5.61 (5.81) m/s | 7 |
| 19:00 | Clear | 26 °C | 1% | 0% | 44% | 764 mm Hg | NE 43° 6 (6.39) m/s | 0 |
| 20:00 | Clear | 26 °C | 1% | 0% | 46% | 764 mm Hg | NNE 31° 5.89 (7.61) m/s | 0 |
| 21:00 | Clear | 25 °C | 2% | 0% | 50% | 764 mm Hg | NE 38° 7.31 (8.33) m/s | 0 |
| 22:00 | Clear | 24 °C | 2% | 0% | 54% | 764 mm Hg | NE 53° 7.19 (8.11) m/s | 0 |
| 23:00 | Clear | 23 °C | 3% | 0% | 58% | 764 mm Hg | ENE 61° 8.11 (9.11) m/s | 0 |
Tue, Oct 20, 2026
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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.