5-day weather forecast Petersburg 27-05-2026

Weather forecast Petersburg Wednesday, May 27 27.05.2026: partly cloudy, temperature from 21 °C to 30 °C.

Precipitation probability 100%. Wind up to 4.61 m/s (gusts 8 m/s). Air humidity 51–98%, atmospheric pressure 759–762 mm Hg, UV index up to 9.7.

Sunrise 05:52
Sunset 20:20

Waxing Gibbous90% illuminated
Moonrise 17:15 · Moonset 03:25

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Table

← Tue, May 26

Wed, May 27, 2026

Thu, May 28 →

Forecast from 21 °C to 30 °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)	21	21	21	21	21	21	21	22	23	24	26	27	27	28	29	30	30	29	28	26	25	23	22	21
Precipitation (mm/hr)	0.08	0.42	0.25	0.01	0	0	0.11	0	0	0	0	0	0	0.35	0.06	0	0	0	0	0	0	0.98	0	0

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 (%)	100	87	87	100	100	100	100	100	79	49	49	49	32	76	53	56	71	59	43	48	49	65	85	62
Rain chance (%)	100	100	100	69	0	0	100	0	0	0	0	0	0	100	100	0	0	0	0	0	0	100	0	0

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)	2.11	2.31	2.81	2.69	2.39	2.5	2.39	2.5	3.11	3.39	3.69	4	4	3.81	4.61	4.39	4	3.5	3.39	2.69	2.61	3.89	2.81	2.5
Wind gust (m/s)	4.42	4.64	4.78	4.72	4.42	4.83	4.44	4.03	4.25	4.47	4.44	4.61	4.61	5.19	5.28	5.06	4.81	4.53	5.03	4.86	5.08	8	5.67	4.83
Wind direction (°)	SW 219°	SW 219°	SW 224°	SW 220°	SW 220°	SSW 211°	SW 217°	SW 220°	SW 232°	WSW 242°	WSW 243°	WSW 254°	WSW 258°	WSW 258°	W 266°	W 270°	W 277°	W 279°	WNW 282°	W 275°	W 267°	WNW 286°	WNW 293°	W 280°

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 (%)	97	98	98	98	98	98	98	98	95	89	80	67	62	69	60	53	51	53	59	70	75	79	87	90

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)	762	762	761	761	761	761	761	761	762	762	762	761	761	761	761	760	760	759	759	759	760	760	761	761

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	0.3	1.1	2.5	4.6	7	8.9	9.7	9.2	3.1	0.9	0.6	0.3	0.1	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)	3.5	3.9	4.5	4.8	4.3	4.2	4.4	4.3	3.7	3.5	3.5	3.7	3.8	3.6	3.6	3.6	3.6	3.7	3.5	3.9	3.9	4.2	4.2	3.8
PM10 (µg/m³)	3.7	4	4.5	4.9	4.5	4.5	4.7	4.5	4	3.9	3.8	4.1	4.2	4	3.9	3.7	3.7	3.8	3.6	4	4	4.3	4.3	3.8
Ozone (O₃) (µg/m³)	44	43	43	44	46	51	57	63	67	70	72	74	76	76	73	68	64	63	62	61	59	56	52	47
NO₂ (µg/m³)	4.9	4.8	4.6	4.4	4.1	3.7	3.3	2.9	2.5	2.2	2	1.8	1.7	1.9	2.7	3.7	4.6	5.1	5.3	5.5	5.7	5.8	5.9	6.1
SO₂ (µg/m³)	1.3	1.3	1.3	1.4	1.4	1.4	1.5	1.5	1.5	1.4	1.3	1.3	1.2	1.2	1.2	1.2	1.2	1.2	1.3	1.3	1.3	1.3	1.3	1.3
CO (µg/m³)	130.9	128.9	127.9	127.9	128.9	130.9	132.9	133.9	130.9	126.9	125.9	128.9	133.9	140.9	150.9	162.9	168.9	164.9	155.9	150.9	153.9	159.9	163.9	163.9

← Tue, May 26

Wed, May 27, 2026

Thu, May 28 →

Petersburg on the map

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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