5-day weather forecast Helsinki 24-08-2026

Weather forecast Helsinki Monday, August 24 24.08.2026: patchy rain possible, temperature from 11 °C to 18 °C.

Precipitation probability 39%. Wind up to 4.69 m/s (gusts 10.92 m/s). Air humidity 53–97%, atmospheric pressure 755–758 mm Hg, UV index up to 3.

Weather Alerts

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SevereAug 23, 12:00 AM — Aug 23, 09:00 AMTranslate with Google

Orange wind warning for sea area: Western Gulf of Finland, Sun 0.00 - 9.00

Wind warning for sea areas

Wind warning for sea areas: In the night between Saturday and Sunday and in Sunday morning, probability for northeast storm is 20%.

SevereAug 23, 12:00 AM — Aug 23, 06:00 AMTranslate with Google

Orange wave height warning: Western Gulf of Finland, Sun 0.00 - 6.00

Wave height warning

Wave height warning: In the night between Saturday and Sunday and in Sunday morning, probability for very rough waves is 20%. The significant wave height may exceed 4 meters.

5 days at a glance — tap a day to open it

Sunrise 05:56
Sunset 20:49

Waxing Gibbous93% illuminated
Moonrise 20:26 · Moonset 00:27

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← Sun, Aug 23

Mon, Aug 24, 2026

Tue, Aug 25 →

Forecast from 11 °C to 18 °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)	13	12	12	11	11	11	11	11	12	14	15	16	17	18	18	18	18	18	17	16	15	14	13	12
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0.04	0.02	0.46	0.02	0.19	0.1	0.14	0.11	0.09	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	97	75	100	100	100	51	13	5	5	10	21	76	82	81	87	71	82	91	98	100	63	62	100
Rain chance (%)	28	30	26	38	39	39	27	17	13	9	7	6	11	14	11	36	11	21	23	27	29	23	18	27

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)	3.69	3.31	3.31	3.39	3.31	3.31	3.31	3.5	3.69	4.19	4.31	4.39	4.5	4.39	4.11	4.31	4.69	4.69	4.31	4.19	4.39	4.5	4.39	4.39
Wind gust (m/s)	10.22	9.22	8.89	9.11	9.03	9.42	9.22	9.61	9.31	7.42	6.61	6.31	6.61	7	6.81	6.42	7.14	7.53	7.42	7.92	9.11	9.94	10.61	10.92
Wind direction (°)	NW 312°	NW 305°	NW 304°	NW 307°	NW 308°	NW 313°	NW 313°	NW 314°	NW 318°	NW 323°	NNW 327°	NNW 331°	NNW 337°	NNW 341°	NNW 339°	NW 313°	NW 318°	NNW 328°	NW 325°	NW 324°	NNW 329°	NNW 330°	NW 326°	NW 323°

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 (%)	88	92	94	96	96	96	97	96	88	79	71	64	60	57	53	58	61	57	66	68	73	78	83	85

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)	755	755	755	755	755	755	755	755	755	755	756	756	756	756	756	756	757	757	757	757	758	758	758	758

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	0.1	0.3	0.7	1.2	1.9	2.6	3	2.8	2.4	1.4	1	0.5	0.2	0	0	0	0

← Sun, Aug 23

Mon, Aug 24, 2026

Tue, Aug 25 →

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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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