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5-day weather forecast Saint Petersburg 18-03-2026

Weather forecast Saint Petersburg tomorrow 18.03.2026: sunny, temperature from 2 °C to 8 °C.

Precipitation probability 72%. Wind up to 3.31 m/s (gusts 6.42 m/s). Air humidity 61–94%, atmospheric pressure 771–774 mm Hg, UV index up to 1.5.

Sunrise 07:08
Sunset 19:07
Chart
Table
Type of temperature:
°C
°F
Wed, 18 Mar, 2026
TemperaturePrecipitationCloud coverHumidityPressureWindUV Index
00:00Weather
Partly cloudy
3 °C0% 56%85%771 mm HgSSW 199° 2.31 (4.83) m/s0
01:00Weather
Cloudy
3 °C0% 72%87%771 mm HgSW 217° 2.11 (4.42) m/s0
02:00Weather
Partly cloudy
3 °C0% 62%89%771 mm HgSW 230° 1.89 (4) m/s0
03:00Weather
Cloudy
3 °C0% 79%89%772 mm HgWSW 238° 1.61 (3.19) m/s0
04:00Weather
Overcast
3 °C0% 100%90%772 mm HgWSW 243° 1.61 (3.03) m/s0
05:00Weather
Patchy rain possible
3 °C72% (0.01 mm/hr)100%92%773 mm HgW 263° 1.69 (3.06) m/s0
06:00Weather
Mist
3 °C0% 100%94%773 mm HgW 272° 1.89 (3.36) m/s0
07:00Weather
Mist
2 °C0% 96%94%773 mm HgW 274° 2 (3.47) m/s0
08:00Weather
Cloudy
2 °C0% 63%91%773 mm HgW 267° 1.89 (3.19) m/s0.1
09:00Weather
Partly cloudy
3 °C0% 29%87%773 mm HgWSW 252° 2 (3.11) m/s0.3
10:00Weather
Partly cloudy
4 °C0% 27%78%774 mm HgW 264° 2.61 (3.5) m/s0.7
11:00Weather
Sunny
5 °C0% 15%72%774 mm HgW 265° 2.81 (3.5) m/s1.1
12:00Weather
Sunny
6 °C0% 7%68%774 mm HgW 264° 3 (3.69) m/s1.4
13:00Weather
Sunny
7 °C0% 10%65%774 mm HgW 262° 2.81 (3.39) m/s1.5
14:00Weather
Sunny
8 °C0% 17%63%773 mm HgWSW 254° 2.69 (3.28) m/s1.4
15:00Weather
Partly cloudy
8 °C0% 34%61%773 mm HgWSW 256° 3 (3.81) m/s1.1
16:00Weather
Partly cloudy
8 °C0% 34%62%773 mm HgW 267° 3.11 (4) m/s0.7
17:00Weather
Partly cloudy
7 °C0% 28%67%773 mm HgW 277° 2.69 (3.67) m/s0.4
18:00Weather
Partly cloudy
6 °C0% 33%74%773 mm HgWNW 285° 2 (2.97) m/s0.1
19:00Weather
Sunny
4 °C0% 15%82%773 mm HgW 271° 1.5 (2.86) m/s0
20:00Weather
Clear
3 °C0% 16%85%772 mm HgWSW 245° 1.81 (3.78) m/s0
21:00Weather
Clear
3 °C0% 8%86%772 mm HgSW 228° 2.31 (4.83) m/s0
22:00Weather
Clear
3 °C0% 10%86%772 mm HgSW 221° 2.89 (5.92) m/s0
23:00Weather
Clear
3 °C0% 18%86%771 mm HgSW 217° 3.31 (6.42) m/s0

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.

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