5-day weather forecast St. Petersburg 08-07-2026

Weather forecast St. Petersburg tomorrow 08.07.2026: sunny, temperature from 26 °C to 34 °C.

Precipitation probability 9%. Wind up to 5 m/s (gusts 6.19 m/s). Air humidity 61–86%, atmospheric pressure 764–765 mm Hg, UV index up to 11.2.

Sunrise 06:41
Sunset 20:30

Waning Crescent28% illuminated
Moonrise 01:11 · Moonset 14:31

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Table

← Tue, Jul 7

Wed, Jul 8, 2026

Thu, Jul 9 →

Forecast from 26 °C to 34 °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)	27	27	26	26	26	26	26	26	27	29	30	33	33	34	31	31	31	31	31	31	31	30	30	30
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0.01	0	0.76

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 (%)	0	0	0	1	1	2	2	0	1	6	29	36	35	36	71	16	18	20	20	15	9	82	37	53
Rain chance (%)	9	10	10	11	11	11	11	11	11	7	7	7	6	6	11	4	4	5	5	5	4	13	7	37

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)	2.5	2.11	1.69	1.5	1.31	1.19	1	1	1.11	0.69	0.39	0.39	1	2.39	3.61	4.5	5	4.89	4.69	4.5	4.31	4.5	2.69	1
Wind gust (m/s)	3.42	2.89	2.36	2.11	1.81	1.69	1.42	1.42	1.5	0.92	0.5	0.5	1.25	2.94	4.33	5.56	6.19	6.11	6	5.86	5.78	6.03	3.67	1.47
Wind direction (°)	W 262°	WSW 257°	W 259°	W 274°	W 275°	W 275°	W 259°	W 277°	WNW 297°	NNW 330°	NNE 23°	SE 133°	SSW 212°	WSW 246°	WSW 254°	WSW 258°	W 262°	W 271°	W 272°	W 270°	W 269°	W 277°	WNW 286°	NW 304°

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 (%)	81	82	84	85	86	85	84	85	86	74	70	66	64	61	62	62	61	62	62	63	65	65	64	64

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)	764	764	764	764	764	764	764	764	765	765	765	765	765	765	765	764	764	764	764	764	764	764	764	765

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	0.6	1.9	4.2	7	9.6	11.1	11.2	9.4	6.8	4.2	2	0.6	0	0	0	0

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)	6.1	6.5	7	7.4	7.6	7.7	7.7	7.8	7.2	7.8	8.6	8.5	8.6	8.7	8.5	8.2	7.6	6.7	5.7	5.2	5.2	5.2	5.4	6
PM10 (µg/m³)	9	9.4	9.9	10.4	10.8	11	11.1	11.1	9.8	10.9	12.3	12.3	12.4	12.6	12.4	12	11	9.8	8.7	8	8.1	7.9	7.9	8.5
Ozone (O₃) (µg/m³)	46	46	46	46	45	45	43	41	43	51	63	73	79	82	83	80	75	69	63	57	52	47	42	39
NO₂ (µg/m³)	3.8	4	4.2	4.3	4.3	4.3	4.5	4.8	4.6	3.7	2.4	1.4	1	0.8	0.7	0.7	0.7	0.8	0.8	1	1.4	2.5	3.9	5.1
SO₂ (µg/m³)	0.5	0.4	0.4	0.4	0.5	0.5	0.5	0.4	0.4	0.5	0.5	0.6	0.6	0.5	0.5	0.5	0.5	0.5	0.5	0.4	0.4	0.4	0.5	0.5
CO (µg/m³)	152	165	171	167	157	149	147	148	147	143	137	132	130	128	126	122	117	115	118	123	128	132	137	142

← Tue, Jul 7

Wed, Jul 8, 2026

Thu, Jul 9 →

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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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