5-day weather forecast Riga 31-08-2026

Weather forecast Riga Monday, August 31 31.08.2026: patchy rain possible, temperature from 15 °C to 23 °C.

Precipitation probability 66%. Wind up to 5.19 m/s (gusts 11.64 m/s). Air humidity 55–95%, atmospheric pressure 758–760 mm Hg, UV index up to 6.

Sunrise 06:24
Sunset 20:23
Waning Gibbous80% illuminated
Moonrise 20:39 · Moonset 10:35
Chart
Table
Mon, Aug 31, 2026

Forecast from 15 °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)161717161616151516171819212222232323222120181716
Precipitation (mm/hr)0.4400.080.290.070.790.380000000.330.050.030.01000.010.01000

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 (%)73100100608289831007999100979910010080887312707251422
Rain chance (%)5227363832665333273028231836181212941115101214

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)3.814.314.54.394.6954.894.194.194.394.394.394.114.394.895.195.194.53.894.193.393.193.113.11
Wind gust (m/s)9.9210.8311.531111.6411.511.428.728.728.927.9276.617.117.728.228.037.56.817.927.616.926.816.61
Wind direction (°)S 187°SSE 159°SSE 160°SSE 162°S 170°S 177°S 177°S 182°S 185°S 186°SSW 193°SSW 202°SSW 206°SW 215°SW 225°SW 229°SW 231°SW 236°SW 231°SW 230°SW 224°SW 219°SW 217°SW 216°

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 (%)908586888990939594918780706461585655606573818488

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)760760759759759758758759759759759759759759759759759758758758759759759759

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 Index000000044444555555654000
Mon, Aug 31, 2026

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.