Weather forecast Riga 17-08-2026

Weather forecast Riga Monday, August 17 17.08.2026: patchy rain possible, temperature from 13 °C to 19 °C.

Precipitation probability 36%. Wind up to 5.69 m/s (gusts 7.19 m/s). Air humidity 65–96%, atmospheric pressure 753–755 mm Hg, UV index up to 2.5.

Sunrise 05:55
Sunset 20:59
Waxing Crescent27% illuminated
Moonrise 12:34 · Moonset 21:39
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Table

Forecast from 13 °C to 19 °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)141313131313131315161717181919191918181817151514
Precipitation (mm/hr)00000000.010.060.080.070.060.030.050.20.180.340.110.090.030.07000

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 (%)1424466789858668745062585755758455817872804410
Rain chance (%)131520243035353127232118151723253625211524111112

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)3.6943.893.813.612.893.393.314.114.314.694.814.695.195.695.194.894.613.6932.52.191.390.31
Wind gust (m/s)5.926.366.226.035.784.755.535.195.535.756.116.256.066.147.196.475.975.754.834.143.944.112.750.61
Wind direction (°)SW 216°SSW 211°SW 215°SW 218°SW 223°SW 224°SW 224°SW 233°WSW 255°W 260°W 272°W 278°W 281°WNW 290°WNW 302°NW 309°NW 314°NW 320°NW 322°NNW 339°N 350°N 349°NNW 336°W 261°

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 (%)879092949596969487847976746565677173717077838485

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)755754754754754753754754753754754754754755755755755755755755755755755755

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 Index00000000.20.51.1222.51.71.82.12.21.50.70.30.1000

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)4.13.93.63.53.64.13.43.83.73.43.12.82.62.62.82.83.13.23.53.944.96.86.6
PM10 (µg/m³)99.37.78.58.37.86.86.75.35.15.45.24.74.54.74.54.34.556.16.58.39.79.5
Ozone (O₃) (µg/m³)605657565349464440424650525456575657564951493631
NO₂ (µg/m³)2.72.72.52.533.23.44.47.46.45.24.54.43.93.73.544.86.49.68.89.51112
SO₂ (µg/m³)0.30.60.60.60.60.50.40.50.70.70.60.50.50.50.50.50.50.60.60.80.711.11.2
CO (µg/m³)128126124123122124123128133133128127129127127127129130136149142147154157

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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