5-day weather forecast Riga Sep 12, 2026

10°9–18° · Patchy rain possible

Weather forecast Riga today Sep 12, 2026: patchy rain possible, temperature from 9 °C to 18 °C.

Precipitation probability 42%. Wind up to 4.69 m/s (gusts 10.89 m/s). Air humidity 60–91%, atmospheric pressure 761–765 mm Hg, UV index up to 1.8.

Sunrise 06:48
Sunset 19:51
New Moon3% illuminated
Moonrise 08:24 · Moonset 19:42
Chart
Table
Sat, Sep 12, 2026

Forecast from 9 °C to 18 °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)12111010101010910121315161718171717171614141313
Precipitation (mm/hr)0000000.020.010.010.0100.010.0100.450.130.210.02000.090.0700

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 (%)9710010092989993886055100997216100508772698697945999
Rain chance (%)24262826282930282117211912442213014121829281930

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)3.893.53.313.193.112.8933.113.113.393.193.1132.893.393.8143.894.694.54.194.194.614.69
Wind gust (m/s)7.116.315.835.55.034.834.834.834.894.814.614.3944.224.946.336.316.617.538.338.649.8610.510.89
Wind direction (°)W 266°WSW 249°WSW 254°WSW 246°WSW 243°WSW 244°SW 232°SW 234°SW 224°SW 226°WSW 237°SW 236°WSW 248°W 273°WSW 258°WSW 256°WSW 252°WSW 240°SW 233°SW 227°SW 236°SW 227°SW 216°SW 217°

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 (%)818487868889909188827672666065757169697377788691

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)765764764765765765765765765765765765765765763763763762762762762762762761

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 Index000000000.10.511.61.81.81.81.61.40.60.20.10000

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)4.1443.83.73.94.45.15.35.14.54.75.15.35.35.55.86.26.86.86.96.96.96.5
PM10 (µg/m³)7.476.97.37.27.28.19.510.110109.79.19.39.199.410.110.110.911.111.210.910.5
Ozone (O₃) (µg/m³)555455545351484950535861646970757880797876717171
NO₂ (µg/m³)5.25.44.24.64.44.44.65.676.75.65.24.33.83.63.13.13.53.94.64.44.54.23.6
SO₂ (µg/m³)0.60.50.50.50.40.81.31.61.71.71.51.61.210.80.70.60.60.70.80.80.81.21.2
CO (µg/m³)164162162159160162165171179174170170167168167165167172175177177175173170
Sat, Sep 12, 2026

Frequently asked questions about the 5-day weather in Riga

What will the weather be like in Riga over the next 5 days?

Over the next 5 days in Riga the temperature is expected to range from about 9 to 19 °C. See the detailed hourly forecast for each of the 5 days in the charts above.

On which of the next 5 days will it rain in Riga?

The chance of rain in Riga over the next 5 days reaches 66%. Check the 5-day precipitation chart above to see exactly which days and hours bring rain.

How accurate is the 5-day weather forecast for Riga?

A 5-day forecast is fairly reliable: the first 2–3 days are usually very accurate, while days 4–5 may be refined. The data is updated several times a day, so check back before important plans.

Which of the next 5 days in Riga will be the warmest and which the coolest?

Over the next 5 days the temperature in Riga ranges from about 9 to 19 °C. Compare the warmest and coolest day on the temperature chart above.

Will it be windy in Riga over the next 5 days?

Over the next 5 days the wind in Riga picks up to 6 m/s. The windiest days are easy to spot on the wind chart above.

Which day of the week in Riga is best for a walk or a trip?

For a walk or a trip, pick the days with the lowest chance of rain (up to 66%) and light wind — easy to compare on the 5-day charts above.

How can I best use the 5-day forecast for Riga?

The first 2–3 days are reliable enough for firm decisions, while days 4–5 are a guide that sharpens as they approach. The forecast is updated several times a day, so check again before important plans.

Will I need an umbrella or sunscreen in Riga this week?

Rain reaches a 66% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 1.8; sunscreen is worth it from about 3 upwards.

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.