5-day weather forecast Saint Petersburg 04-09-2026

Weather forecast Saint Petersburg Friday, September 4 04.09.2026: sunny, temperature from 8 °C to 14 °C.

Precipitation probability 54%. Wind up to 3.81 m/s (gusts 9.81 m/s). Air humidity 67–93%, atmospheric pressure 752–754 mm Hg, UV index up to 2.4.

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ModerateAug 31, 01:05 PM — Sep 3, 10:00 PMTranslate with Google

Other dangers

Уровень воды по г/п р. Нева - ст. Петрокрепость колеблется в районе неблагоприятной отметки 330 см БС, при которой судоходство испытывает затруднение

ModerateAug 31, 01:05 PM — Sep 2, 09:00 PMTranslate with Google

Thunderstorms

местами ожидаются ливни, грозы

ModerateAug 31, 01:05 PM — Sep 2, 09:00 PMTranslate with Google

Rain

Местами ожидаются ливни

ModerateAug 31, 01:05 PM — Sep 3, 10:00 PMTranslate with Google

Прочие опасности

Уровень воды по г/п р. Нева - ст. Петрокрепость колеблется в районе неблагоприятной отметки 330 см БС, при которой судоходство испытывает затруднение

ModerateAug 31, 01:05 PM — Sep 2, 09:00 PMTranslate with Google

Гроза

местами ожидаются ливни, грозы

5 days at a glance — tap a day to open it

Sunrise 06:01
Sunset 19:53

Last Quarter39% illuminated
Moonrise 20:33 · Moonset 16:44

Chart

Fri, Sep 4, 2026

Forecast from 8 °C to 14 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	11	10	10	9	9	8	8	10	11	12	12	12	12	12	12	12	13	14	14	12	10	10	10	10
Precipitation (mm/hr)	0.08	0.07	0.06	0	0	0	0	0	0.02	0.02	0.04	0.41	0.22	0.2	0	0	0	0	0	0	0	0	0.01	0.01

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	81	72	89	4	5	0	0	97	100	100	100	100	100	100	100	6	9	5	11	0	0	3	79	74
Rain chance (%)	35	31	33	14	14	14	14	30	32	30	31	54	45	42	27	8	7	5	6	8	11	12	27	27

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	3.31	3.5	3.81	3.39	3.11	2.89	2.81	2.69	2.61	2.69	2.89	3.39	3.11	3.19	2.81	2.11	1.69	1.39	1.19	1.39	1.5	2	2.81	2.69
Wind gust (m/s)	8.11	8.69	9.81	9.33	8.83	8.42	8.03	7.17	6.92	6.64	6.42	6.72	5.42	4.92	3.81	2.53	2.53	2.75	2.81	1.42	1.92	2.83	6.81	7.11
Wind direction (°)	SW 224°	SW 217°	SW 217°	SW 217°	SW 214°	SSW 207°	SSW 200°	SSW 196°	SSW 192°	S 189°	S 182°	S 190°	S 182°	S 172°	SSE 159°	S 171°	SSW 195°	SSW 208°	SSW 205°	S 169°	S 181°	SW 215°	SW 219°	SW 219°

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	92	91	90	90	90	91	93	92	89	87	86	86	88	86	85	77	71	67	68	77	85	87	91	93

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	754	754	753	753	753	752	752	754	754	754	753	753	752	752	752	752	752	752	752	752	752	752	752	752

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.1	0.3	0.6	0.9	1	1.9	2.4	2.3	1.3	1.2	0.8	0.3	0.1	0	0	0	0

Fri, Sep 4, 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.

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