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)	1.11	1.19	1.69	1.89	1.89	2	2	2.11	2.5	2.61	3	2.69	2.81	2.81	2.5	2.69	2.69	2.19	2.19	2.39	2.39	2	1.81	1.89
Wind gust (m/s)	5.11	1.22	2.58	4.89	4.89	2.83	2.11	2.42	4.67	7.22	5.69	5.72	3.92	3.53	5.03	3.19	3.11	4.72	3.22	5.19	4.92	3.69	2.53	3.36
Wind direction (°)	W 265°	WNW 291°	WNW 296°	NW 326°	NNW 330°	NW 316°	NNW 341°	NNW 348°	N 352°	N 6°	NNE 18°	NNE 24°	NE 40°	NNE 32°	NE 34°	NE 38°	NE 50°	NE 51°	NE 53°	NE 53°	E 79°	E 90°	E 92°	E 89°

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 (%)	68	68	80	68	69	82	72	75	83	68	60	61	53	50	52	46	47	56	66	72	82	80	81	91

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)	769	769	769	769	769	769	769	770	770	770	771	770	770	770	770	770	770	770	770	771	770	772	772	771

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	0.4	1.3	2.5	3.7	4.3	4	3	1.7	0.6	0	0	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)	9.5	8.3	7.4	6.7	6.2	6	6.1	6.6	8.1	9.9	11.2	12.1	12.4	12.4	12.3	12	11.8	11.7	12.4	13	12.9	13.1	13.8	14.7
PM10 (µg/m³)	10.9	9.6	8.6	7.9	7.5	7.2	7.3	7.8	9.4	10.9	11.9	12.2	12.5	12.5	12.3	12.1	12	11.8	12.4	13	13	13.2	13.9	14.8
Ozone (O₃) (µg/m³)	45	48	51	52	52	52	52	52	55	64	75	87	99	111	119	123	123	119	108	92	79	72	67	64
NO₂ (µg/m³)	16.7	13.4	10.6	8.8	7.7	7.2	7.8	9	9.6	8.9	7.4	6	4.6	3.1	2.1	1.6	1.6	2.5	4.9	8.2	10.6	11.4	11.4	11.2
SO₂ (µg/m³)	1.4	1.2	1	0.9	0.8	0.8	1	1.3	1.7	2.4	3.2	3.8	3.9	3.8	3.6	3.5	3.4	3.3	3.2	3.2	3.1	3	2.9	2.7
CO (µg/m³)	191	176	167	164	166	172	183	197	207	209	206	203	199	193	190	188	189	195	212	234	251	259	261	260

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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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5-day weather forecast Petersburg Oct 27, 2026

Forecast from 9 °C to 22 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction