5-day weather forecast Riga 18-05-2026
Weather forecast Riga tomorrow 18.05.2026: sunny, temperature from 8 °C to 14 °C.
Precipitation probability 100%. Wind up to 4.89 m/s (gusts 7.83 m/s). Air humidity 66–98%, atmospheric pressure 761–764 mm Hg, UV index up to 2.3.
Sunrise 05:00
Sunset 21:42
Sunset 21:42
Waxing Crescent2% illuminated
Moonrise 05:02 · Moonset below the horizon
Moonrise 05:02 · Moonset below the horizon
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 10 °C | 0% | 27% | 72% | 764 mm Hg | N 10° 3.61 (6.64) m/s | 0 |
| 01:00 |  Clear | 9 °C | 0% | 24% | 75% | 764 mm Hg | N 9° 3.61 (6.97) m/s | 0 |
| 02:00 | Clear | 8 °C | 0% | 22% | 76% | 764 mm Hg | NNE 16° 3.61 (7.08) m/s | 0 |
| 03:00 | Clear | 8 °C | 0% | 22% | 75% | 764 mm Hg | NNE 16° 3.61 (7.03) m/s | 0 |
| 04:00 | Clear | 8 °C | 0% | 24% | 74% | 764 mm Hg | NNE 16° 3.5 (6.78) m/s | 0 |
| 05:00 | Clear | 8 °C | 0% | 22% | 75% | 764 mm Hg | NNE 14° 3.31 (6.53) m/s | 0 |
| 06:00 |  Sunny | 8 °C | 0% | 24% | 74% | 764 mm Hg | NNE 20° 3.39 (6.33) m/s | 0.1 |
| 07:00 | Sunny | 9 °C | 0% | 23% | 69% | 764 mm Hg | NNE 18° 3.5 (5.72) m/s | 0.3 |
| 08:00 | Sunny | 10 °C | 0% | 22% | 68% | 764 mm Hg | NNE 16° 3.89 (5.86) m/s | 0.7 |
| 09:00 |  Partly cloudy | 11 °C | 0% | 48% | 69% | 764 mm Hg | NNE 16° 4.11 (5.86) m/s | 1 |
| 10:00 | Partly cloudy | 12 °C | 0% | 57% | 68% | 764 mm Hg | NNE 14° 4.31 (5.92) m/s | 0.9 |
| 11:00 |  Cloudy | 13 °C | 0% | 75% | 66% | 763 mm Hg | NNE 19° 4.39 (6.06) m/s | 1 |
| 12:00 |  Light rain shower | 14 °C | 100% (0.2 mm/hr) | 100% | 69% | 763 mm Hg | NNE 33° 4.5 (6.33) m/s | 1.2 |
| 13:00 | Light rain shower | 14 °C | 100% (0.44 mm/hr) | 100% | 79% | 763 mm Hg | NE 42° 4 (5.89) m/s | 2.3 |
| 14:00 | Light rain shower | 12 °C | 100% (1.06 mm/hr) | 100% | 87% | 763 mm Hg | NE 46° 3.69 (5.58) m/s | 1.2 |
| 15:00 |  Light rain | 11 °C | 100% (1.61 mm/hr) | 87% | 94% | 763 mm Hg | NE 37° 3.31 (4.89) m/s | 0.6 |
| 16:00 |  Light drizzle | 11 °C | 100% (0.36 mm/hr) | 85% | 93% | 763 mm Hg | NNE 31° 3.19 (4.64) m/s | 0.4 |
| 17:00 | Light drizzle | 11 °C | 100% (0.48 mm/hr) | 83% | 95% | 762 mm Hg | NNE 14° 3.81 (5.78) m/s | 0.2 |
| 18:00 | Light drizzle | 11 °C | 100% (0.19 mm/hr) | 95% | 95% | 762 mm Hg | N 5° 4.39 (6.67) m/s | 0.1 |
| 19:00 | Light drizzle | 10 °C | 100% (0.26 mm/hr) | 100% | 97% | 761 mm Hg | N 7° 4.69 (7.36) m/s | 0.1 |
| 20:00 | Light drizzle | 10 °C | 100% (0.38 mm/hr) | 100% | 97% | 761 mm Hg | N 4° 4.89 (7.83) m/s | 0 |
| 21:00 | Light drizzle | 10 °C | 100% (0.62 mm/hr) | 100% | 97% | 761 mm Hg | N 10° 4.89 (7.78) m/s | 0 |
| 22:00 |  Light rain | 10 °C | 100% (1.36 mm/hr) | 100% | 98% | 761 mm Hg | N 0° 4.5 (6.92) m/s | 0 |
| 23:00 | Light rain | 10 °C | 100% (0.82 mm/hr) | 100% | 98% | 761 mm Hg | N 359° 4.89 (7.5) m/s | 0 |
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.