5-day weather forecast Petersburg 09-04-2026

Weather forecast Petersburg Thursday, April 9 09.04.2026: partly cloudy, temperature from 4 °C to 15 °C.

No precipitation expected. Wind up to 3.31 m/s (gusts 5.03 m/s). Air humidity 56–89%, atmospheric pressure 773–777 mm Hg, UV index up to 5.8.

Sunrise 06:43
Sunset 19:40

Waning Gibbous61% illuminated
Moonrise 02:14 · Moonset 11:28

Chart

Table

← Wed, Apr 8

Thu, Apr 9, 2026

Fri, Apr 10 →

Forecast from 4 °C to 15 °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)	5	5	4	4	4	5	5	5	6	7	7	9	11	12	13	14	15	15	14	14	13	12	9	9
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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 (%)	26	39	52	76	88	100	100	100	100	99	99	99	59	39	19	36	44	52	65	72	78	39	20	0
Rain chance (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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)	1.81	1.81	1.89	2	2.11	2.19	2.19	2.19	2.39	2.81	3.11	2.81	2.81	2.81	3	3	3	3.19	3.31	2.69	2.39	2.39	2.19	2
Wind gust (m/s)	3.78	3.78	4	4.11	4.33	4.53	4.53	4.5	3.78	3.42	3.58	3.22	3.22	3.22	3.44	3.44	3.44	3.67	4.28	4.5	5.03	5.03	4.61	4.19
Wind direction (°)	NE 56°	NE 47°	NNE 28°	NNE 21°	NNE 21°	NNE 21°	NNE 18°	NNE 18°	NNE 29°	NE 45°	ENE 65°	ENE 65°	ENE 69°	ENE 72°	ENE 78°	E 82°	E 86°	E 89°	E 89°	E 94°	E 98°	E 99°	E 91°	E 82°

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	73	79	84	86	89	87	85	84	78	75	72	66	63	60	58	57	56	58	60	61	68	72	58

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)	777	776	776	776	776	776	776	776	776	776	776	776	776	775	775	774	773	773	773	773	773	773	773	777

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	0.4	1.1	2.3	4	5.3	5.8	5.4	4.4	3	1.7	0.6	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)	9.5	10	10.2	10.4	9.9	9	9	8.9	9.3	8.2	7.8	7.6	7.4	7.4	7.6	8.4	9.2	10	10.9	12.2	13.6	14.9	15.9	16.6
PM10 (µg/m³)	13	13.8	14.2	14.5	13.3	12.4	12.5	12.5	12.7	10.9	10.2	9.7	9.3	9.2	9.1	9.6	10.3	11.4	12.5	14.1	15.9	17.7	19.2	20.5
Ozone (O₃) (µg/m³)	85	85	82	77	77	84	94	103	108	112	114	115	115	112	106	97	91	89	88	87	84	81	78	77
NO₂ (µg/m³)	7.4	7.5	8.6	10.1	10.6	9.1	6.7	4.6	3.4	2.7	2.2	2	2.1	2.7	4.3	6.5	8	8.2	7.8	7.4	7.5	7.6	7.7	7.4
SO₂ (µg/m³)	2.8	2.9	3	3.1	3.3	3.5	3.8	3.9	3.8	3.6	3.3	3	2.6	2.4	2.5	2.7	3	3.3	3.5	3.7	3.8	3.7	3.7	3.7
CO (µg/m³)	187.9	186.9	189.9	194.9	194.9	184.9	170.9	159.9	155.9	154.9	154.9	152.9	150.9	154.9	169.9	190.9	195.7	194.4	191.7	191.9	200.9	210.9	217.9	215.9

← Wed, Apr 8

Thu, Apr 9, 2026

Fri, Apr 10 →

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.

Learn more about our methodology →