5-day weather forecast St. Petersburg 31-07-2026

Weather forecast St. Petersburg Friday, July 31 31.07.2026: patchy rain possible, temperature from 29 °C to 30 °C.

Precipitation probability 59%. Wind up to 7.89 m/s (gusts 10.42 m/s). Air humidity 66–75%, atmospheric pressure 761–763 mm Hg, UV index up to 11.

Sunrise 06:53
Sunset 20:21
Waning Gibbous91% illuminated
Moonrise 21:48 · Moonset 08:48
Chart
Table
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Partly cloudy
29 °C10% 37%73%761 mm HgWSW 248° 6 (8.28) m/s0
01:00Weather
Patchy light rain
29 °C59% (1.08 mm/hr)86%74%761 mm HgWSW 251° 6.69 (9.19) m/s0
02:00Weather
Partly cloudy
29 °C9% 34%74%761 mm HgWSW 249° 6.81 (9.36) m/s0
03:00Weather
Patchy rain possible
29 °C17% (0.01 mm/hr)78%75%761 mm HgWSW 252° 6.81 (9.5) m/s0
04:00Weather
Light rain shower
29 °C24% (0.23 mm/hr)51%74%761 mm HgWSW 255° 7.11 (10.14) m/s0
05:00Weather
Light rain shower
29 °C57% (1.66 mm/hr)61%74%761 mm HgW 261° 7.11 (10.14) m/s0
06:00Weather
Light rain shower
29 °C37% (0.49 mm/hr)54%74%761 mm HgW 267° 6.69 (9.75) m/s0
07:00Weather
Patchy rain possible
29 °C22% (0.08 mm/hr)79%73%761 mm HgW 261° 6.61 (9.92) m/s0
08:00Weather
Patchy rain possible
29 °C16% (0.03 mm/hr)68%74%762 mm HgWSW 256° 6.81 (10.42) m/s0.5
09:00Weather
Light rain shower
29 °C36% (0.33 mm/hr)64%72%762 mm HgWSW 252° 7.11 (9.36) m/s1.7
10:00Weather
Patchy rain possible
30 °C20% (0.09 mm/hr)77%70%762 mm HgWSW 252° 7.19 (9.25) m/s3.7
11:00Weather
Light rain shower
30 °C22% (0.26 mm/hr)52%68%763 mm HgWSW 252° 7.19 (9.22) m/s6.7
12:00Weather
Patchy rain possible
30 °C17% (0.06 mm/hr)70%67%763 mm HgWSW 248° 7.31 (9.06) m/s9.3
13:00Weather
Patchy rain possible
30 °C19% (0.08 mm/hr)81%67%763 mm HgWSW 249° 7.69 (10.14) m/s10.8
14:00Weather
Patchy rain possible
30 °C25% (0.27 mm/hr)71%66%762 mm HgWSW 250° 7.69 (9.86) m/s11
15:00Weather
Patchy rain possible
30 °C15% (0.03 mm/hr)81%66%762 mm HgWSW 254° 7.69 (9.14) m/s9.4
16:00Weather
Patchy rain possible
30 °C17% (0.07 mm/hr)76%67%761 mm HgWSW 252° 7.89 (9.56) m/s6.7
17:00Weather
Patchy rain possible
30 °C22% (0.09 mm/hr)87%68%761 mm HgWSW 255° 7.61 (9.33) m/s3.9
18:00Weather
Patchy rain possible
30 °C37% (0.37 mm/hr)89%69%761 mm HgWSW 258° 7.69 (10) m/s1.7
19:00Weather
Patchy rain possible
30 °C25% (0.21 mm/hr)71%71%761 mm HgW 259° 7.5 (10) m/s0.5
20:00Weather
Thundery outbreaks possible
29 °C17% (0.03 mm/hr)78%72%761 mm HgW 260° 6.89 (9.33) m/s0
21:00Weather
Thundery outbreaks possible
29 °C17% (0.04 mm/hr)72%72%761 mm HgW 263° 6.5 (8.72) m/s0
22:00Weather
Patchy rain possible
30 °C18% (0.02 mm/hr)88%71%761 mm HgW 262° 6.61 (8.78) m/s0
23:00Weather
Patchy rain possible
30 °C15% (0.01 mm/hr)83%70%762 mm HgW 264° 6.61 (8.89) m/s0

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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.