5-day weather forecast St. Petersburg Sep 6, 2026
26°Weather forecast St. Petersburg today Sep 6, 2026: sunny, temperature from 25 °C to 34 °C.
Precipitation probability 16%. Wind up to 5.39 m/s (gusts 10.39 m/s). Air humidity 66–87%, atmospheric pressure 758–761 mm Hg, UV index up to 10.2.
5 days at a glance — tap a day to open it
Sunrise 07:11
Sunset 19:46
Sunset 19:46
Waning Crescent20% illuminated
Moonrise 01:43 · Moonset 16:24
Moonrise 01:43 · Moonset 16:24
Chart
Table
Sun, Sep 6, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 26 °C | 9% | 0% | 81% | 760 mm Hg | WNW 283° 3 (6) m/s | 0 |
| 01:00 | Clear | 26 °C | 10% | 0% | 82% | 759 mm Hg | W 275° 2.81 (6.81) m/s | 0 |
| 02:00 | Clear | 26 °C | 10% | 0% | 82% | 759 mm Hg | W 273° 3.31 (8.31) m/s | 0 |
| 03:00 | Clear | 26 °C | 10% | 0% | 84% | 759 mm Hg | W 275° 3.19 (3.22) m/s | 0 |
| 04:00 | Clear | 25 °C | 11% | 0% | 84% | 758 mm Hg | W 267° 3.11 (3.22) m/s | 0 |
| 05:00 | Clear | 25 °C | 11% | 1% | 84% | 758 mm Hg | W 265° 2.81 (3) m/s | 0 |
| 06:00 | Clear | 25 °C | 10% | 0% | 84% | 759 mm Hg | WNW 285° 2.89 (3) m/s | 0 |
| 07:00 | Clear | 25 °C | 13% | 20% | 86% | 759 mm Hg | WNW 299° 2.89 (3.03) m/s | 0 |
| 08:00 | Sunny | 26 °C | 12% | 1% | 87% | 760 mm Hg | WNW 303° 3.19 (3.44) m/s | 0.2 |
| 09:00 | Sunny | 28 °C | 11% | 6% | 85% | 760 mm Hg | WNW 301° 3.11 (3.39) m/s | 1.2 |
| 10:00 | Sunny | 29 °C | 8% | 0% | 78% | 760 mm Hg | WNW 283° 3.39 (3.72) m/s | 3.2 |
| 11:00 |  Partly cloudy | 31 °C | 11% | 36% | 76% | 761 mm Hg | W 270° 4 (7) m/s | 6 |
| 12:00 | Sunny | 34 °C | 5% | 2% | 70% | 761 mm Hg | W 269° 4.39 (8.39) m/s | 8.6 |
| 13:00 |  Patchy rain possible | 30 °C | 15% (0.02 mm/hr) | 85% | 68% | 760 mm Hg | W 268° 4.61 (7.61) m/s | 10.2 |
| 14:00 | Patchy rain possible | 31 °C | 16% (0.02 mm/hr) | 89% | 67% | 760 mm Hg | W 266° 4.81 (8.81) m/s | 10.2 |
| 15:00 | Patchy rain possible | 30 °C | 12% (0.01 mm/hr) | 72% | 67% | 760 mm Hg | W 261° 5.19 (9.19) m/s | 8.6 |
| 16:00 | Patchy rain possible | 30 °C | 13% (0.01 mm/hr) | 81% | 66% | 759 mm Hg | W 260° 5.39 (8.39) m/s | 6 |
| 17:00 | Sunny | 30 °C | 5% | 5% | 66% | 759 mm Hg | W 261° 5.39 (10.39) m/s | 3.3 |
| 18:00 | Sunny | 30 °C | 4% | 2% | 66% | 759 mm Hg | W 260° 5.11 (9.11) m/s | 1.2 |
| 19:00 | Sunny | 30 °C | 5% | 1% | 68% | 759 mm Hg | W 264° 4.5 (7.5) m/s | 0.2 |
| 20:00 | Clear | 30 °C | 5% | 1% | 70% | 759 mm Hg | W 262° 4.5 (8.5) m/s | 0 |
| 21:00 | Clear | 29 °C | 6% | 3% | 70% | 759 mm Hg | WSW 256° 4.69 (4.69) m/s | 0 |
| 22:00 | Clear | 29 °C | 5% | 0% | 69% | 759 mm Hg | WSW 256° 4.61 (4.72) m/s | 0 |
| 23:00 | Clear | 29 °C | 4% | 0% | 67% | 759 mm Hg | W 267° 4.31 (4.31) m/s | 0 |
Sun, Sep 6, 2026
Frequently asked questions about the 5-day weather in St. Petersburg
What will the weather be like in St. Petersburg over the next 5 days?
Over the next 5 days in St. Petersburg the temperature is expected to range from about 25 to 34 °C. See the detailed hourly forecast for each of the 5 days in the charts above.
On which of the next 5 days will it rain in St. Petersburg?
The chance of rain in St. Petersburg over the next 5 days reaches 79%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.
How accurate is the 5-day weather forecast for St. Petersburg?
A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.
Which of the next 5 days in St. Petersburg will be the warmest and which the coolest?
Over the next 5 days the temperature in St. Petersburg ranges from about 25 to 34 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in St. Petersburg over the next 5 days?
Over the next 5 days the wind in St. Petersburg picks up to 6 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in St. Petersburg is best for a walk or a trip?
For a walk or a trip, pick the days with the lowest chance of rain (up to 79%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for St. Petersburg?
The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.
Will I need an umbrella or sunscreen in St. Petersburg this week?
Rain reaches a 79% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 10.2; sunscreen is worth it from about 3 upwards.
St. 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.