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.
5 days at a glance — tap a day to open it
Sunrise 06:24
Sunset 20:23
Sunset 20:23
Waning Gibbous80% illuminated
Moonrise 20:39 · Moonset 10:35
Moonrise 20:39 · Moonset 10:35
Chart
Table
Mon, Aug 31, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 16 °C | 52% (0.44 mm/hr) | 73% | 90% | 760 mm Hg | S 187° 3.81 (9.92) m/s | 0 |
| 01:00 |  Overcast | 17 °C | 27% | 100% | 85% | 760 mm Hg | SSE 159° 4.31 (10.83) m/s | 0 |
| 02:00 |  Thundery outbreaks possible | 17 °C | 36% (0.08 mm/hr) | 100% | 86% | 759 mm Hg | SSE 160° 4.5 (11.53) m/s | 0 |
| 03:00 |  Light rain shower | 16 °C | 38% (0.29 mm/hr) | 60% | 88% | 759 mm Hg | SSE 162° 4.39 (11) m/s | 0 |
| 04:00 | Patchy rain possible | 16 °C | 32% (0.07 mm/hr) | 82% | 89% | 759 mm Hg | S 170° 4.69 (11.64) m/s | 0 |
| 05:00 |  Patchy light rain with thunder | 16 °C | 66% (0.79 mm/hr) | 89% | 90% | 758 mm Hg | S 177° 5 (11.5) m/s | 0 |
| 06:00 | Patchy rain possible | 15 °C | 53% (0.38 mm/hr) | 83% | 93% | 758 mm Hg | S 177° 4.89 (11.42) m/s | 0 |
| 07:00 |  Overcast | 15 °C | 33% | 100% | 95% | 759 mm Hg | S 182° 4.19 (8.72) m/s | 4 |
| 08:00 |  Cloudy | 16 °C | 27% | 79% | 94% | 759 mm Hg | S 185° 4.19 (8.72) m/s | 4 |
| 09:00 | Overcast | 17 °C | 30% | 99% | 91% | 759 mm Hg | S 186° 4.39 (8.92) m/s | 4 |
| 10:00 | Overcast | 18 °C | 28% | 100% | 87% | 759 mm Hg | SSW 193° 4.39 (7.92) m/s | 4 |
| 11:00 | Overcast | 19 °C | 23% | 97% | 80% | 759 mm Hg | SSW 202° 4.39 (7) m/s | 4 |
| 12:00 | Overcast | 21 °C | 18% | 99% | 70% | 759 mm Hg | SSW 206° 4.11 (6.61) m/s | 5 |
| 13:00 |  Light rain shower | 22 °C | 36% (0.33 mm/hr) | 100% | 64% | 759 mm Hg | SW 215° 4.39 (7.11) m/s | 5 |
| 14:00 |  Patchy rain possible | 22 °C | 18% (0.05 mm/hr) | 100% | 61% | 759 mm Hg | SW 225° 4.89 (7.72) m/s | 5 |
| 15:00 | Patchy rain possible | 23 °C | 12% (0.03 mm/hr) | 80% | 58% | 759 mm Hg | SW 229° 5.19 (8.22) m/s | 5 |
| 16:00 | Patchy rain possible | 23 °C | 12% (0.01 mm/hr) | 88% | 56% | 759 mm Hg | SW 231° 5.19 (8.03) m/s | 5 |
| 17:00 | Cloudy | 23 °C | 9% | 73% | 55% | 758 mm Hg | SW 236° 4.5 (7.5) m/s | 5 |
| 18:00 |  Sunny | 22 °C | 4% | 12% | 60% | 758 mm Hg | SW 231° 3.89 (6.81) m/s | 6 |
| 19:00 | Patchy rain possible | 21 °C | 11% (0.01 mm/hr) | 70% | 65% | 758 mm Hg | SW 230° 4.19 (7.92) m/s | 5 |
| 20:00 | Patchy rain possible | 20 °C | 15% (0.01 mm/hr) | 72% | 73% | 759 mm Hg | SW 224° 3.39 (7.61) m/s | 4 |
| 21:00 |  Clear | 18 °C | 10% | 5% | 81% | 759 mm Hg | SW 219° 3.19 (6.92) m/s | 0 |
| 22:00 |  Partly cloudy | 17 °C | 12% | 14% | 84% | 759 mm Hg | SW 217° 3.11 (6.81) m/s | 0 |
| 23:00 | Clear | 16 °C | 14% | 22% | 88% | 759 mm Hg | SW 216° 3.11 (6.61) m/s | 0 |
Mon, Aug 31, 2026
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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.