5-day weather forecast Riga Sep 15, 2026
19°Weather forecast Riga tomorrow Sep 15, 2026: overcast, temperature from 11 °C to 19 °C.
Precipitation probability 30%. Wind up to 3.31 m/s (gusts 7.11 m/s). Air humidity 55–90%, atmospheric pressure 762–766 mm Hg, UV index up to 3.
5 days at a glance — tap a day to open it
Sunrise 06:54
Sunset 19:42
Sunset 19:42
Waxing Crescent23% illuminated
Moonrise 13:10 · Moonset 20:08
Moonrise 13:10 · Moonset 20:08
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 13 °C | 11% | 5% | 84% | 765 mm Hg | NNE 25° 1.31 (1.42) m/s | 0 |
| 01:00 |  Cloudy | 13 °C | 21% | 72% | 85% | 765 mm Hg | NE 53° 0.31 (0.39) m/s | 0 |
| 02:00 |  Overcast | 13 °C | 26% | 100% | 84% | 765 mm Hg | SSW 192° 0.81 (0.81) m/s | 0 |
| 03:00 | Overcast | 12 °C | 27% | 98% | 85% | 765 mm Hg | SSW 213° 0.89 (0.92) m/s | 0 |
| 04:00 | Overcast | 12 °C | 25% | 89% | 87% | 766 mm Hg | SSW 210° 1.31 (1.31) m/s | 0 |
| 05:00 | Overcast | 11 °C | 28% | 100% | 88% | 765 mm Hg | SSW 204° 1.31 (5.31) m/s | 0 |
| 06:00 | Overcast | 11 °C | 29% | 100% | 88% | 765 mm Hg | SW 222° 1.39 (1.39) m/s | 0 |
| 07:00 | Overcast | 11 °C | 29% | 100% | 89% | 765 mm Hg | SW 220° 1.39 (1.42) m/s | 0 |
| 08:00 | Overcast | 11 °C | 28% | 100% | 87% | 765 mm Hg | SSW 213° 1.19 (1.22) m/s | 0.1 |
| 09:00 | Overcast | 12 °C | 25% | 100% | 82% | 765 mm Hg | SSW 197° 1.19 (1.33) m/s | 0.5 |
| 10:00 | Overcast | 14 °C | 21% | 100% | 75% | 765 mm Hg | S 190° 1.5 (1.81) m/s | 1 |
| 11:00 | Overcast | 15 °C | 17% | 100% | 67% | 765 mm Hg | SSW 201° 1.31 (1.81) m/s | 1.8 |
| 12:00 |  Sunny | 17 °C | 4% | 19% | 59% | 765 mm Hg | SW 215° 1.11 (2.03) m/s | 2.6 |
| 13:00 |  Partly cloudy | 18 °C | 5% | 32% | 55% | 764 mm Hg | SW 236° 1.19 (2.42) m/s | 3 |
| 14:00 | Sunny | 18 °C | 4% | 20% | 55% | 764 mm Hg | SW 233° 1.19 (2.72) m/s | 2.9 |
| 15:00 | Sunny | 19 °C | 3% | 16% | 55% | 764 mm Hg | WSW 250° 0.89 (2.53) m/s | 2.4 |
| 16:00 | Partly cloudy | 19 °C | 4% | 32% | 55% | 764 mm Hg | WSW 251° 0.81 (2.42) m/s | 1.7 |
| 17:00 |  Patchy rain possible | 18 °C | 12% (0.01 mm/hr) | 84% | 58% | 764 mm Hg | SW 215° 0.69 (2.44) m/s | 1 |
| 18:00 | Patchy rain possible | 18 °C | 18% (0.01 mm/hr) | 99% | 68% | 763 mm Hg | S 185° 1.81 (3.81) m/s | 0.4 |
| 19:00 | Patchy rain possible | 17 °C | 24% (0.02 mm/hr) | 100% | 78% | 763 mm Hg | S 185° 2.61 (4.89) m/s | 0 |
| 20:00 |  Patchy rain possible | 15 °C | 26% (0.01 mm/hr) | 90% | 85% | 763 mm Hg | S 181° 2.89 (5) m/s | 0 |
| 21:00 | Patchy rain possible | 15 °C | 28% (0.01 mm/hr) | 92% | 88% | 762 mm Hg | S 176° 3.19 (6.53) m/s | 0 |
| 22:00 | Overcast | 14 °C | 30% | 100% | 90% | 762 mm Hg | S 180° 3.31 (7.11) m/s | 0 |
| 23:00 | Overcast | 14 °C | 30% | 100% | 90% | 762 mm Hg | S 187° 3.11 (6.14) 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.