Weather forecast Riga Sep 21, 2026

14°10° · Light rain shower

Weather forecast Riga Monday Sep 21, 2026: light rain shower, temperature from 10 °C to 14 °C.

Precipitation probability 69%. Wind up to 8.19 m/s (gusts 11.33 m/s). Air humidity 75–93%, atmospheric pressure 753–758 mm Hg, UV index up to 2.1.

Weather Alerts

ModerateSep 18, 05:00 AMSep 21, 09:00 AMTranslate with Google
Dzeltenais vēja brīdinājums
18.09.2026. dienas vidū dienvidrietumu, rietumu vējš saglabāsies brāzmās 15-19 m/s. Viļņu augstums 1.5-2.5 m.
ModerateSep 18, 07:00 AMSep 20, 11:00 PMTranslate with Google
Dzeltenais vēja brīdinājums
18.09.2026. dienas vidū dienvidrietumu, dienvidu vējš saglabāsies brāzmās 15-19 m/s. Viļņu augstums 1.0-2.0 m.
Sunrise 07:06
Sunset 19:26
Waxing Gibbous82% illuminated
Moonrise 18:18 · Moonset 00:17
Chart
Table

Forecast from 10 °C to 14 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)121211111010111112121313141414141414141313131212
Precipitation (mm/hr)000.030.010.150.030.040.130.090.210.310.961.140.820.730.840.650.190.360.20.250.170.060.11

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)98571708165100100100989810010010010010010080100100100788586
Rain chance (%)261224244026344138414669696361636032463638292732

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)5554.614.694.814.614.394.314.5555.696.195.616.397.898.198.197.817.8176.315.5
Wind gust (m/s)11.0310.2210.119.759.819.228.928.338.618.929.118.818.618.818.729.5310.9211.3310.8310.8110.6110.149.538.83
Wind direction (°)SW 215°SSW 208°SSW 211°SW 216°SW 220°SW 225°SW 224°SW 221°SW 229°WSW 241°WSW 246°WSW 253°W 274°WNW 286°WNW 286°WNW 302°NW 317°NW 317°NW 316°NW 316°NW 313°NW 304°WNW 294°WNW 292°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)858687909393909089848384818080808279787775788182

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)755755754754754754753753753754754754754755755755755755756757757757758758

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index0000000000.20.51.21.82.12.11.71.20.70.300000

Air quality & pollen

Air quality is available for the first three days only.

Riga 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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