5-day weather forecast Riga 09-08-2026

Weather forecast Riga Sunday, August 9 09.08.2026: partly cloudy, temperature from 12 °C to 23 °C.

Precipitation probability 17%. Wind up to 3.69 m/s (gusts 6.75 m/s). Air humidity 43–93%, atmospheric pressure 764–766 mm Hg, UV index up to 4.7.

Sunrise 05:39
Sunset 21:19
Waning Crescent9% illuminated
Moonrise Does not rise today · Moonset 19:53
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Table

Forecast from 12 °C to 23 °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)151414131212121314161921222323232322222120201817
Precipitation (mm/hr)000000000000000000000000

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 (%)95586281425482621255235594450434445494795
Rain chance (%)1112131414171616171164535444578867

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)3.693.52.812.52.52.612.692.812.692.692.812.89332.812.111.310.811.391.892.112.192.392.39
Wind gust (m/s)6.756.315.224.754.925.195.364.944.113.533.393.393.473.443.252.691.751.222.313.223.724.085.035.03
Wind direction (°)W 277°W 273°WSW 255°WSW 238°SW 214°SSW 203°SSW 195°SSW 201°SSW 213°SW 226°WSW 239°WSW 254°W 265°WNW 285°WNW 295°WNW 299°WNW 300°WSW 251°SSW 205°SSW 204°SW 220°WSW 249°W 259°WSW 241°

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 (%)828688909192939186786755494644434449545962657073

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)764765765765765765765765765766766766766766765765765765765765765765765765

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 Index00000000.20.61.32.43.54.24.74.63.72.71.20.50.20.1000

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)4.84.84.74.64.54.44.44.54.86.16.86.25.96.26.76.86.76.56.36.26.47.176.1
PM10 (µg/m³)7.97.576.86.15.95.866.48.39.48.78.18.48.98.98.78.48.17.98.28.88.87.9
Ozone (O₃) (µg/m³)5454.85756.85350484851556374838994979796928577696359
NO₂ (µg/m³)5.75.34.23.744.54.84.64.23.62.92.11.51.31.41.61.82.12.73.95.46.36.15.3
SO₂ (µg/m³)0.60.50.50.60.70.911.21.31.41.31.110.90.90.90.90.90.90.91111
CO (µg/m³)135128.3118111.5110116119119117114110105101100100101101100102108117123125125

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.