5-day weather forecast Petersburg Oct 18, 2026
18°Weather forecast Petersburg Sunday Oct 18, 2026: sunny, temperature from 4 °C to 18 °C.
Precipitation probability 10%. Wind up to 3 m/s (gusts 10.33 m/s). Air humidity 30–83%, atmospheric pressure 774–777 mm Hg, UV index up to 5.
5 days at a glance — tap a day to open it
Sunrise 07:20
Sunset 18:29
Sunset 18:29
First Quarter58% illuminated
Moonrise 14:50 · Moonset does not set today
Moonrise 14:50 · Moonset does not set today
Chart
Table
Sun, Oct 18, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 8 °C | 2% | 0% | 48% | 774 mm Hg | NNE 17° 3 (10.33) m/s | 0 |
| 01:00 | Clear | 7 °C | 2% | 0% | 50% | 774 mm Hg | N 11° 2.61 (8.14) m/s | 0 |
| 02:00 | Clear | 6 °C | 3% | 0% | 53% | 774 mm Hg | N 10° 2.11 (5.39) m/s | 0 |
| 03:00 | Clear | 5 °C | 3% | 0% | 55% | 775 mm Hg | N 9° 2 (3.72) m/s | 0 |
| 04:00 | Clear | 5 °C | 3% | 0% | 57% | 775 mm Hg | N 6° 2.19 (5) m/s | 0 |
| 05:00 | Clear | 5 °C | 3% | 0% | 58% | 776 mm Hg | N 5° 2.19 (5.03) m/s | 0 |
| 06:00 | Clear | 5 °C | 4% | 0% | 60% | 776 mm Hg | N 9° 2.19 (6) m/s | 0 |
| 07:00 | Clear | 4 °C | 4% | 0% | 62% | 776 mm Hg | NNE 14° 2.19 (6.61) m/s | 0 |
| 08:00 | Sunny | 5 °C | 4% | 0% | 62% | 776 mm Hg | NNE 24° 2.11 (7.44) m/s | 0 |
| 09:00 | Sunny | 8 °C | 2% | 0% | 52% | 777 mm Hg | NNE 33° 3 (7) m/s | 3 |
| 10:00 | Sunny | 11 °C | 1% | 5% | 42% | 777 mm Hg | NE 36° 2.81 (5.11) m/s | 4 |
| 11:00 | Sunny | 12 °C | 1% | 5% | 36% | 777 mm Hg | NE 46° 2.5 (3.81) m/s | 4 |
| 12:00 | Sunny | 14 °C | 1% | 0% | 33% | 776 mm Hg | ENE 66° 2.31 (3.39) m/s | 4 |
| 13:00 | Sunny | 16 °C | 1% | 0% | 31% | 776 mm Hg | E 86° 2.11 (3.19) m/s | 5 |
| 14:00 | Sunny | 17 °C | 1% | 0% | 30% | 776 mm Hg | E 99° 1.89 (2.92) m/s | 5 |
| 15:00 | Sunny | 18 °C | 1% | 0% | 30% | 775 mm Hg | E 98° 1.89 (3.11) m/s | 5 |
| 16:00 | Sunny | 18 °C | 1% | 0% | 31% | 775 mm Hg | ESE 103° 2 (2.89) m/s | 5 |
| 17:00 | Sunny | 17 °C | 1% | 0% | 38% | 775 mm Hg | ESE 114° 2.31 (2.83) m/s | 5 |
| 18:00 | Sunny | 13 °C | 3% | 0% | 56% | 775 mm Hg | ESE 119° 2.19 (4.5) m/s | 4 |
| 19:00 | Clear | 11 °C | 5% | 0% | 68% | 776 mm Hg | SE 124° 2.31 (4.81) m/s | 0 |
| 20:00 | Clear | 10 °C | 7% | 0% | 72% | 776 mm Hg | ESE 120° 2.31 (4.72) m/s | 0 |
| 21:00 | Clear | 9 °C | 8% | 0% | 77% | 776 mm Hg | ESE 121° 2.19 (4.42) m/s | 0 |
| 22:00 | Clear | 9 °C | 9% | 0% | 80% | 776 mm Hg | SE 127° 2.11 (3.89) m/s | 0 |
| 23:00 | Clear | 8 °C | 10% | 0% | 83% | 776 mm Hg | SE 136° 2 (3.22) m/s | 0 |
Sun, Oct 18, 2026
Petersburg on the map
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.