5-day weather forecast Riga 20-08-2026
Weather forecast Riga today 20.08.2026: patchy rain possible, temperature from 13 °C to 20 °C.
Precipitation probability 61%. Wind up to 7.81 m/s (gusts 11.33 m/s). Air humidity 57–96%, atmospheric pressure 751–755 mm Hg, UV index up to 3.
5 days at a glance — tap a day to open it
Sunrise 06:01
Sunset 20:52
Sunset 20:52
First Quarter58% illuminated
Moonrise 17:03 · Moonset 22:25
Moonrise 17:03 · Moonset 22:25
Chart
Table
Thu, Aug 20, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 15 °C | 21% | 100% | 74% | 752 mm Hg | SSW 194° 3.31 (6.11) m/s | 0 |
| 01:00 | Overcast | 14 °C | 18% | 100% | 70% | 751 mm Hg | SSE 163° 3.39 (7.81) m/s | 0 |
| 02:00 |  Light rain shower | 14 °C | 40% (0.15 mm/hr) | 100% | 86% | 752 mm Hg | S 178° 3.61 (7.83) m/s | 0 |
| 03:00 | Light rain shower | 13 °C | 59% (0.4 mm/hr) | 100% | 95% | 752 mm Hg | S 171° 3.5 (8.69) m/s | 0 |
| 04:00 |  Patchy rain possible | 14 °C | 32% (0.01 mm/hr) | 93% | 96% | 752 mm Hg | S 178° 4.19 (8.81) m/s | 0 |
| 05:00 | Patchy rain possible | 15 °C | 42% (0.09 mm/hr) | 100% | 94% | 752 mm Hg | SSW 197° 4.5 (8.11) m/s | 0 |
| 06:00 | Overcast | 14 °C | 33% | 100% | 94% | 751 mm Hg | SSW 193° 4.19 (8.81) m/s | 0 |
| 07:00 |  Patchy rain possible | 14 °C | 38% (0.05 mm/hr) | 100% | 95% | 751 mm Hg | S 190° 4.19 (9.61) m/s | 0.1 |
| 08:00 | Patchy rain possible | 14 °C | 23% (0.01 mm/hr) | 55% | 94% | 751 mm Hg | S 191° 4.39 (10.11) m/s | 0.4 |
| 09:00 |  Thundery outbreaks possible | 16 °C | 33% (0.03 mm/hr) | 95% | 91% | 751 mm Hg | SSW 193° 4.81 (9) m/s | 1 |
| 10:00 | Patchy rain possible | 16 °C | 31% (0.01 mm/hr) | 99% | 91% | 751 mm Hg | SSW 192° 4.69 (9.81) m/s | 0.9 |
| 11:00 |  Light rain shower | 17 °C | 61% (0.62 mm/hr) | 100% | 85% | 751 mm Hg | SSW 196° 4.89 (8.31) m/s | 1.9 |
| 12:00 | Light rain shower | 18 °C | 36% (0.21 mm/hr) | 100% | 76% | 751 mm Hg | SSW 200° 5.31 (7.22) m/s | 3 |
| 13:00 | Light rain shower | 16 °C | 39% (0.16 mm/hr) | 99% | 85% | 751 mm Hg | SSW 194° 5.39 (8) m/s | 1.3 |
| 14:00 | Patchy rain possible | 18 °C | 15% (0.02 mm/hr) | 81% | 67% | 752 mm Hg | WSW 240° 7 (11) m/s | 0.8 |
| 15:00 | Light rain shower | 20 °C | 17% (0.15 mm/hr) | 63% | 61% | 752 mm Hg | WSW 240° 7.19 (10.5) m/s | 0.8 |
| 16:00 | Light rain shower | 19 °C | 57% (1.22 mm/hr) | 82% | 65% | 752 mm Hg | WSW 246° 7.31 (10.94) m/s | 2 |
| 17:00 | Patchy rain possible | 19 °C | 22% (0.19 mm/hr) | 75% | 63% | 753 mm Hg | WSW 249° 7.11 (10.81) m/s | 1.6 |
| 18:00 |  Sunny | 20 °C | 3% | 0% | 57% | 753 mm Hg | WSW 256° 7.31 (11.06) m/s | 0.9 |
| 19:00 | Patchy rain possible | 18 °C | 20% (0.1 mm/hr) | 79% | 64% | 754 mm Hg | W 264° 7.81 (11.33) m/s | 0.4 |
| 20:00 | Sunny | 17 °C | 5% | 0% | 69% | 755 mm Hg | W 263° 7 (10.61) m/s | 0 |
| 21:00 |  Clear | 16 °C | 6% | 0% | 69% | 755 mm Hg | W 265° 6.39 (10.42) m/s | 0 |
| 22:00 | Clear | 15 °C | 7% | 0% | 74% | 755 mm Hg | WSW 257° 5.31 (10.33) m/s | 0 |
| 23:00 | Clear | 14 °C | 10% | 0% | 82% | 755 mm Hg | WSW 246° 4 (8.5) m/s | 0 |
Thu, Aug 20, 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 62%. 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 8 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 62%) 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.