5-day weather forecast Helsinki 15-07-2026

Weather forecast Helsinki Wednesday, July 15 15.07.2026: sunny, temperature from 17 °C to 25 °C.

Precipitation probability 9%. Wind up to 4.5 m/s (gusts 9.44 m/s). Air humidity 46–80%, atmospheric pressure 764–766 mm Hg, UV index up to 6.

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ModerateJul 11, 06:00 PM — Jul 11, 11:00 PMTranslate with Google

Äike Tase 1

Äikesevihm, kaasneda võivad tugevad tuulepuhangud ja suured raheterad, suurem on oht maakonna lõuna- ja idaosas.

https://www.rescue.ee/et

ModerateJul 12, 12:00 PM — Jul 12, 09:00 PMTranslate with Google

Yellow heavy rain warning: Kymenlaakso and locally in the western part of the country, Sun 12.00 - 21.00

Heavy rain warning

Heavy rain warning: In Sunday noon and evening, probability for heavy rain is 30%.

ModerateJul 12, 12:00 PM — Jul 12, 09:00 PMTranslate with Google

Yellow heavy rain warning: Kymenlaakso and locally in the western part of the country, Sun 12.00 - 21.00

Heavy rain warning

Heavy rain warning: In Sunday noon and evening, probability for heavy rain is 30%.

Sunrise 04:22
Sunset 22:29

New Moon3% illuminated
Moonrise 04:40 · Moonset 23:08

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Table

← Tue, Jul 14

Wed, Jul 15, 2026

Forecast from 17 °C to 25 °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)	18	17	17	17	17	17	17	18	20	21	22	23	24	24	24	24	23	24	25	25	24	22	20	20
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 (%)	14	14	24	32	34	47	32	24	14	8	4	6	8	18	32	26	14	6	7	11	17	17	10	5
Rain chance (%)	9	9	10	11	12	14	12	10	7	5	4	3	3	3	4	3	3	2	2	2	4	5	7	5

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)	2.31	2.11	2.31	2.31	2.11	2.19	2	1.89	1.89	1.81	1.5	1.31	1.31	1.81	2.11	2.31	2.31	3.11	2.69	1.61	1.19	2.39	3.19	4.5
Wind gust (m/s)	4.83	4.42	4.83	4.83	4.42	4.61	4.19	3.5	3.03	2.75	2.33	2	1.94	2.69	3.19	3.58	4.17	5.19	4.64	2.92	2.42	5.03	6.72	9.44
Wind direction (°)	NNW 338°	N 350°	NNW 347°	NNW 341°	NNW 330°	NNW 334°	NNW 331°	NNW 334°	NNW 338°	NNW 342°	NNW 336°	NW 323°	WNW 283°	W 271°	WNW 282°	W 277°	WNW 296°	NW 316°	NNW 330°	NNW 331°	W 277°	WSW 254°	WNW 286°	NW 318°

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 (%)	78	78	78	79	79	80	80	76	71	66	60	56	53	51	50	49	55	49	46	50	57	65	72	67

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)	765	765	766	766	766	765	765	765	766	766	766	766	765	765	765	765	765	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	0.2	0.5	1.1	2	3.1	4.1	5.1	5.2	4.7	4.2	6	6	6	6	6	6	6	0

← Tue, Jul 14

Wed, Jul 15, 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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