5-day weather forecast Pärnu 18-03-2026

Weather forecast Pärnu tomorrow 18.03.2026: sunny, temperature from -1 °C to 4 °C.

Precipitation probability 73%. Wind up to 3.11 m/s (gusts 4.89 m/s). Air humidity 75–97%, atmospheric pressure 773–775 mm Hg, UV index up to 1.7.

Sunrise 06:31
Sunset 18:31

Chart

Table

Type of temperature:

°C

°F

← Tue, 17 Mar

Wed, 18 Mar, 2026

Thu, 19 Mar →

Forecast from -1 °C to 4 °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)	1	0	0	0	0	-1	-1	-1	0	1	2	3	4	4	4	4	4	4	2	1	1	0	0	0
Precipitation (mm/hr)	0	0	0	0.01	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

Cloud cover

Cloud cover
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 (%)	41	45	37	82	15	14	18	83	20	14	6	4	4	4	8	13	14	12	13	15	19	22	24	25

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)	1.69	1.5	1.5	1.5	1.5	1.61	1.61	1.61	1.5	1.69	2	2.39	2.5	2.89	3.11	3.11	3	2.61	2.31	2.31	2.31	2.19	2.19	2.31
Wind gust (m/s)	3.53	3.08	3.06	3.08	3.08	3.31	3.28	3.22	2.69	2.72	3.06	3.56	3.69	4.36	4.78	4.86	4.89	4.5	4.72	4.83	4.83	4.61	4.61	4.83

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 (%)	95	95	95	96	96	97	97	97	94	89	85	82	79	76	75	75	75	79	86	90	91	92	93	94

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)	773	773	773	773	773	773	774	774	775	775	775	775	775	775	774	774	774	773	773	773	773	773	773	773

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	0.3	0.6	1.1	1.5	1.7	1.7	1.4	1	0.5	0.2	0	0	0	0	0	0

← Tue, 17 Mar

Wed, 18 Mar, 2026

Thu, 19 Mar →

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 →