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.
5 days at a glance — tap a day to open it
Sunrise 06:03
Sunset 20:49
Sunset 20:49
First Quarter69% illuminated
Moonrise 18:16 · Moonset 23:02
Moonrise 18:16 · Moonset 23:02
Chart
Table
Fri, Aug 21, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 14 °C | 14% | 7% | 91% | 755 mm Hg | SW 231° 5.11 (11.03) m/s | 0 |
| 01:00 | Clear | 14 °C | 15% | 3% | 93% | 755 mm Hg | SW 226° 4.61 (10.5) m/s | 0 |
| 02:00 | Clear | 13 °C | 16% | 13% | 94% | 755 mm Hg | SW 218° 4.5 (10.33) m/s | 0 |
| 03:00 | Clear | 13 °C | 17% | 17% | 95% | 755 mm Hg | SW 214° 4.39 (10.11) m/s | 0 |
| 04:00 | Clear | 13 °C | 17% | 14% | 95% | 755 mm Hg | SW 218° 4.31 (10.61) m/s | 0 |
| 05:00 | Clear | 13 °C | 17% | 14% | 95% | 755 mm Hg | SW 222° 3.81 (9.72) m/s | 0 |
| 06:00 |  Mist | 13 °C | 38% | 99% | 96% | 756 mm Hg | SW 214° 3.31 (7.22) m/s | 0 |
| 07:00 |  Mist | 13 °C | 38% | 99% | 95% | 756 mm Hg | SSW 207° 3.11 (6.69) m/s | 0.1 |
| 08:00 |  Overcast | 14 °C | 31% | 100% | 92% | 757 mm Hg | SSW 203° 3.61 (6.89) m/s | 0.4 |
| 09:00 |  Sunny | 15 °C | 11% | 4% | 85% | 757 mm Hg | SSW 203° 4.11 (6.22) m/s | 1 |
| 10:00 | Sunny | 18 °C | 7% | 3% | 72% | 757 mm Hg | SW 218° 4.11 (6.31) m/s | 1.9 |
| 11:00 | Sunny | 20 °C | 4% | 3% | 60% | 757 mm Hg | SW 227° 3.69 (5.81) m/s | 2.9 |
| 12:00 | Sunny | 21 °C | 3% | 5% | 54% | 757 mm Hg | SW 219° 3.19 (5.03) m/s | 3.8 |
| 13:00 | Sunny | 22 °C | 2% | 12% | 50% | 757 mm Hg | SW 219° 2.81 (4.81) m/s | 4.2 |
| 14:00 | Overcast | 23 °C | 11% | 94% | 51% | 757 mm Hg | SW 226° 2.39 (4.92) m/s | 4.1 |
| 15:00 |  Light rain shower | 21 °C | 53% (0.94 mm/hr) | 100% | 61% | 757 mm Hg | WSW 242° 2.39 (5.33) m/s | 1.6 |
| 16:00 | Light rain shower | 20 °C | 30% (0.19 mm/hr) | 100% | 69% | 757 mm Hg | S 173° 0.89 (2.72) m/s | 0.7 |
| 17:00 |  Patchy rain possible | 20 °C | 25% (0.08 mm/hr) | 100% | 71% | 757 mm Hg | SSE 157° 2.61 (5.22) m/s | 0.5 |
| 18:00 | Overcast | 19 °C | 19% | 96% | 74% | 757 mm Hg | S 172° 2.31 (5.14) m/s | 0.3 |
| 19:00 | Overcast | 20 °C | 18% | 91% | 73% | 757 mm Hg | SSW 197° 2.69 (5.61) m/s | 0.3 |
| 20:00 |  Partly cloudy | 20 °C | 9% | 29% | 73% | 757 mm Hg | SSW 200° 2.5 (3.53) m/s | 0 |
| 21:00 | Clear | 18 °C | 8% | 5% | 76% | 758 mm Hg | SSW 202° 2.61 (3.33) m/s | 0 |
| 22:00 | Clear | 17 °C | 9% | 5% | 79% | 758 mm Hg | SSW 209° 2.5 (3.14) m/s | 0 |
| 23:00 | Clear | 16 °C | 9% | 5% | 79% | 758 mm Hg | SSW 205° 2.5 (3.22) m/s | 0 |
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.