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

Weather forecast Saint Petersburg tomorrow 18.03.2026: sunny, temperature from 1 °C to 7 °C.

No precipitation expected. Wind up to 3 m/s (gusts 5.67 m/s). Air humidity 59–95%, atmospheric pressure 771–775 mm Hg, UV index up to 1.5.

Sunrise 07:06
Sunset 19:06
Chart
Table
Type of temperature:
°C
°F
Wed, 18 Mar, 2026
TemperaturePrecipitationCloud coverHumidityPressureWindUV Index
00:00Weather
Overcast
4 °C0% 100%84%771 mm HgWSW 240° 1.69 (3.47) m/s0
01:00Weather
Overcast
4 °C0% 100%84%772 mm HgWSW 258° 1.89 (3.42) m/s0
02:00Weather
Overcast
4 °C0% 95%88%772 mm HgW 279° 2.11 (3.64) m/s0
03:00Weather
Cloudy
3 °C0% 63%92%773 mm HgW 272° 1.89 (3.36) m/s0
04:00Weather
Partly cloudy
2 °C0% 26%94%773 mm HgW 268° 1.89 (3.53) m/s0
05:00Weather
Mist
1 °C0% 40%95%773 mm HgW 270° 1.89 (3.81) m/s0
06:00Weather
Mist
1 °C0% 61%95%773 mm HgW 264° 1.89 (3.86) m/s0
07:00Weather
Mist
0 °C0% 81%95%773 mm HgWSW 253° 1.89 (4) m/s0
08:00Weather
Cloudy
1 °C0% 80%93%774 mm HgWSW 253° 1.81 (3.61) m/s0.1
09:00Weather
Partly cloudy
2 °C0% 40%86%774 mm HgWSW 249° 1.61 (2.75) m/s0.3
10:00Weather
Sunny
4 °C0% 16%75%775 mm HgW 262° 1.89 (2.64) m/s0.7
11:00Weather
Sunny
5 °C0% 5%67%775 mm HgW 263° 2.31 (2.94) m/s1.1
12:00Weather
Sunny
6 °C0% 5%62%775 mm HgW 260° 2.81 (3.47) m/s1.4
13:00Weather
Sunny
7 °C0% 10%60%775 mm HgW 268° 2.89 (3.5) m/s1.5
14:00Weather
Sunny
7 °C0% 17%59%775 mm HgW 272° 3 (3.64) m/s1.4
15:00Weather
Overcast
7 °C0% 99%59%774 mm HgW 274° 2.89 (3.64) m/s1.1
16:00Weather
Sunny
7 °C0% 6%61%774 mm HgW 281° 2.81 (3.64) m/s0.7
17:00Weather
Sunny
6 °C0% 17%66%774 mm HgWNW 287° 2.5 (3.42) m/s0.4
18:00Weather
Partly cloudy
5 °C0% 27%73%774 mm HgWNW 289° 1.89 (2.94) m/s0.1
19:00Weather
Sunny
3 °C0% 13%80%773 mm HgW 272° 1.39 (2.83) m/s0
20:00Weather
Clear
3 °C0% 8%81%773 mm HgWSW 239° 1.5 (3.14) m/s0
21:00Weather
Clear
3 °C0% 20%82%773 mm HgSW 220° 2.11 (4.42) m/s0
22:00Weather
Partly cloudy
3 °C0% 46%82%773 mm HgSW 215° 2.5 (5.25) m/s0
23:00Weather
Partly cloudy
2 °C0% 46%82%773 mm HgSW 226° 2.69 (5.67) 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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