5-day weather forecast Riga 21-08-2026

Weather forecast Riga today 21.08.2026: sunny, temperature from 13 °C to 23 °C.

Precipitation probability 53%. Wind up to 5.11 m/s (gusts 11.03 m/s). Air humidity 50–96%, atmospheric pressure 755–758 mm Hg, UV index up to 4.2.

Sunrise 06:03
Sunset 20:49
First Quarter69% illuminated
Moonrise 18:16 · Moonset 23:02
Chart
Table
Fri, Aug 21, 2026
TemperatureRain chanceCloud coverHumidityPressureWindUV Index
00:00Weather
Clear
14 °C14% 7%91%755 mm HgSW 231° 5.11 (11.03) m/s0
01:00Weather
Clear
14 °C15% 3%93%755 mm HgSW 226° 4.61 (10.5) m/s0
02:00Weather
Clear
13 °C16% 13%94%755 mm HgSW 218° 4.5 (10.33) m/s0
03:00Weather
Clear
13 °C17% 17%95%755 mm HgSW 214° 4.39 (10.11) m/s0
04:00Weather
Clear
13 °C17% 14%95%755 mm HgSW 218° 4.31 (10.61) m/s0
05:00Weather
Clear
13 °C17% 14%95%755 mm HgSW 222° 3.81 (9.72) m/s0
06:00Weather
Mist
13 °C38% 99%96%756 mm HgSW 214° 3.31 (7.22) m/s0
07:00Weather
Mist
13 °C38% 99%95%756 mm HgSSW 207° 3.11 (6.69) m/s0.1
08:00Weather
Overcast
14 °C31% 100%92%757 mm HgSSW 203° 3.61 (6.89) m/s0.4
09:00Weather
Sunny
15 °C11% 4%85%757 mm HgSSW 203° 4.11 (6.22) m/s1
10:00Weather
Sunny
18 °C7% 3%72%757 mm HgSW 218° 4.11 (6.31) m/s1.9
11:00Weather
Sunny
20 °C4% 3%60%757 mm HgSW 227° 3.69 (5.81) m/s2.9
12:00Weather
Sunny
21 °C3% 5%54%757 mm HgSW 219° 3.19 (5.03) m/s3.8
13:00Weather
Sunny
22 °C2% 12%50%757 mm HgSW 219° 2.81 (4.81) m/s4.2
14:00Weather
Overcast
23 °C11% 94%51%757 mm HgSW 226° 2.39 (4.92) m/s4.1
15:00Weather
Light rain shower
21 °C53% (0.94 mm/hr)100%61%757 mm HgWSW 242° 2.39 (5.33) m/s1.6
16:00Weather
Light rain shower
20 °C30% (0.19 mm/hr)100%69%757 mm HgS 173° 0.89 (2.72) m/s0.7
17:00Weather
Patchy rain possible
20 °C25% (0.08 mm/hr)100%71%757 mm HgSSE 157° 2.61 (5.22) m/s0.5
18:00Weather
Overcast
19 °C19% 96%74%757 mm HgS 172° 2.31 (5.14) m/s0.3
19:00Weather
Overcast
20 °C18% 91%73%757 mm HgSSW 197° 2.69 (5.61) m/s0.3
20:00Weather
Partly cloudy
20 °C9% 29%73%757 mm HgSSW 200° 2.5 (3.53) m/s0
21:00Weather
Clear
18 °C8% 5%76%758 mm HgSSW 202° 2.61 (3.33) m/s0
22:00Weather
Clear
17 °C9% 5%79%758 mm HgSSW 209° 2.5 (3.14) m/s0
23:00Weather
Clear
16 °C9% 5%79%758 mm HgSSW 205° 2.5 (3.22) m/s0
Fri, Aug 21, 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 11 to 23 °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 93%. 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 11 to 23 °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 12 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 93%) 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.

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.