5-day weather forecast Saint Petersburg 18-07-2026
Weather forecast Saint Petersburg Saturday, July 18 18.07.2026: sunny, temperature from 13 °C to 27 °C.
Precipitation probability 8%. Wind up to 5 m/s (gusts 8.78 m/s). Air humidity 31–75%, atmospheric pressure 756–761 mm Hg, UV index up to 5.1.
Sunrise 04:09
Sunset 22:00
Sunset 22:00
Waxing Crescent23% illuminated
Moonrise 09:53 · Moonset 22:48
Moonrise 09:53 · Moonset 22:48
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 15 °C | 5% | 0% | 65% | 761 mm Hg | S 169° 2.61 (5.47) m/s | 0 |
| 01:00 | Clear | 14 °C | 5% | 0% | 67% | 761 mm Hg | S 179° 2.69 (5.67) m/s | 0 |
| 02:00 | Clear | 13 °C | 6% | 0% | 70% | 761 mm Hg | S 187° 2.69 (5.67) m/s | 0 |
| 03:00 | Clear | 13 °C | 7% | 0% | 73% | 761 mm Hg | S 185° 2.61 (5.47) m/s | 0 |
| 04:00 | Clear | 13 °C | 7% | 3% | 75% | 761 mm Hg | S 183° 2.5 (5.25) m/s | 0 |
| 05:00 |  Sunny | 13 °C | 8% | 6% | 75% | 761 mm Hg | S 173° 2.61 (5.47) m/s | 0 |
| 06:00 | Sunny | 14 °C | 7% | 6% | 71% | 761 mm Hg | S 171° 2.61 (5.47) m/s | 0.3 |
| 07:00 | Sunny | 17 °C | 4% | 7% | 63% | 761 mm Hg | S 177° 2.89 (4.58) m/s | 0.7 |
| 08:00 | Sunny | 19 °C | 3% | 7% | 55% | 760 mm Hg | S 185° 3.39 (4.47) m/s | 1.4 |
| 09:00 | Sunny | 21 °C | 2% | 4% | 50% | 760 mm Hg | S 181° 3.69 (4.42) m/s | 2.1 |
| 10:00 | Sunny | 23 °C | 1% | 4% | 45% | 759 mm Hg | S 180° 4.19 (4.83) m/s | 3.2 |
| 11:00 | Sunny | 24 °C | 1% | 6% | 40% | 759 mm Hg | S 185° 4.61 (5.28) m/s | 4.5 |
| 12:00 | Sunny | 25 °C | 1% | 6% | 36% | 759 mm Hg | S 187° 4.69 (5.42) m/s | 5.1 |
| 13:00 | Sunny | 26 °C | 1% | 4% | 33% | 758 mm Hg | S 187° 4.81 (5.53) m/s | 5 |
| 14:00 | Sunny | 27 °C | 1% | 12% | 31% | 758 mm Hg | S 189° 5 (5.75) m/s | 5 |
| 15:00 | Sunny | 27 °C | 1% | 14% | 31% | 758 mm Hg | S 190° 4.89 (5.64) m/s | 4.4 |
| 16:00 |  Partly cloudy | 27 °C | 2% | 27% | 35% | 757 mm Hg | S 190° 4.5 (5.17) m/s | 3.4 |
| 17:00 | Partly cloudy | 27 °C | 3% | 43% | 39% | 757 mm Hg | S 183° 4.11 (5.25) m/s | 2.2 |
| 18:00 | Partly cloudy | 27 °C | 4% | 50% | 43% | 756 mm Hg | SSW 200° 3.39 (4.56) m/s | 1.2 |
| 19:00 | Partly cloudy | 25 °C | 4% | 27% | 54% | 756 mm Hg | SSW 201° 2.5 (4.33) m/s | 0.6 |
| 20:00 | Partly cloudy | 23 °C | 5% | 31% | 60% | 756 mm Hg | S 178° 2.5 (4.83) m/s | 0.3 |
| 21:00 | Sunny | 22 °C | 5% | 24% | 62% | 756 mm Hg | SSE 162° 3.5 (7.31) m/s | 0 |
| 22:00 | Clear | 20 °C | 4% | 9% | 59% | 756 mm Hg | S 169° 4.19 (8.58) m/s | 0 |
| 23:00 | Clear | 19 °C | 4% | 4% | 61% | 756 mm Hg | SSE 163° 4.31 (8.78) 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.