5-day weather forecast St. Petersburg 12-07-2026

Weather forecast St. Petersburg Sunday, July 12 12.07.2026: sunny, temperature from 29 °C to 30 °C.

Precipitation probability 5%. Wind up to 4.31 m/s (gusts 6.97 m/s). Air humidity 65–71%, atmospheric pressure 763–765 mm Hg, UV index up to 8.

Sunrise 06:43
Sunset 20:29
New Moon2% illuminated
Moonrise 04:08 · Moonset 18:55
Chart
Table
Sun, Jul 12, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
29 °C5% 13%67%764 mm HgSSE 155° 3.81 (6) m/s0
01:00Weather
Clear
29 °C5% 14%66%764 mm HgS 171° 2.39 (4.53) m/s0
02:00Weather
Patchy rain possible
29 °C15% (0.01 mm/hr)89%67%764 mm HgSSW 192° 2.89 (4.53) m/s0
03:00Weather
Patchy rain possible
29 °C12% (0.01 mm/hr)76%66%764 mm HgSW 223° 2.39 (3.42) m/s0
04:00Weather
Patchy rain possible
29 °C12% (0.01 mm/hr)74%66%763 mm HgSW 235° 1.81 (2.53) m/s0
05:00Weather
Patchy rain possible
29 °C17% (0.07 mm/hr)73%66%764 mm HgW 259° 0.81 (1.14) m/s0
06:00Weather
Clear
29 °C6% 19%67%764 mm HgS 187° 0.81 (1.14) m/s0
07:00Weather
Patchy rain possible
29 °C20% (0.1 mm/hr)74%69%764 mm HgS 169° 1.69 (2.44) m/s0
08:00Weather
Patchy rain possible
29 °C47% (0.77 mm/hr)75%70%764 mm HgS 174° 3.11 (4.31) m/s0.5
09:00Weather
Patchy rain possible
29 °C36% (0.37 mm/hr)74%71%764 mm HgSSW 192° 3.69 (4.89) m/s6
10:00Weather
Partly cloudy
29 °C7% 31%69%764 mm HgSSW 205° 3.5 (5.19) m/s7
11:00Weather
Thundery outbreaks possible
30 °C10% (0.01 mm/hr)58%67%765 mm HgSW 218° 4.11 (6.22) m/s6
12:00Weather
Thundery outbreaks possible
30 °C17% (0.04 mm/hr)89%66%765 mm HgSW 223° 4.31 (6.58) m/s7
13:00Weather
Patchy light rain with thunder
30 °C45% (0.75 mm/hr)77%67%765 mm HgWSW 237° 4.31 (6.97) m/s7
14:00Weather
Light rain shower
30 °C23% (0.28 mm/hr)55%68%765 mm HgWSW 250° 3.89 (6.92) m/s6
15:00Weather
Sunny
30 °C18% (0.2 mm/hr)44%67%764 mm HgWSW 246° 3.81 (6.19) m/s8
16:00Weather
Light rain shower
30 °C17% (0.1 mm/hr)33%66%764 mm HgWSW 242° 3.81 (5.5) m/s7
17:00Weather
Sunny
30 °C5% 21%65%764 mm HgWSW 238° 3.69 (4.72) m/s8
18:00Weather
Sunny
30 °C5% 20%66%764 mm HgWSW 240° 3.89 (5.11) m/s8
19:00Weather
Sunny
30 °C5% 19%66%764 mm HgWSW 243° 4.11 (5.39) m/s8
20:00Weather
Sunny
30 °C6% 18%67%764 mm HgWSW 245° 4.31 (5.81) m/s7
21:00Weather
Clear
30 °C6% 18%68%764 mm HgWSW 257° 4 (5.5) m/s0
22:00Weather
Clear
30 °C6% 19%69%764 mm HgW 269° 3.81 (5.11) m/s0
23:00Weather
Clear
30 °C7% 19%70%764 mm HgW 281° 3.5 (4.78) m/s0
Sun, Jul 12, 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.