5-day weather forecast Riga Sep 17, 2026
13°Weather forecast Riga today Sep 17, 2026: patchy rain possible, temperature from 11 °C to 17 °C.
Precipitation probability 78%. Wind up to 5.69 m/s (gusts 10.42 m/s). Air humidity 57–96%, atmospheric pressure 754–757 mm Hg, UV index up to 2.3.
Weather Alerts
Dzeltenais vēja brīdinājums
17.09.2026. priekšpusdienā rietumu, dienvidrietumu vējš pastiprināsies brāzmās 15-16 m/s. Viļņu augstums 1.0-2.0 m.
5 days at a glance — tap a day to open it
Sunrise 06:58
Sunset 19:37
Sunset 19:37
First Quarter42% illuminated
Moonrise 16:01 · Moonset 20:59
Moonrise 16:01 · Moonset 20:59
Chart
Table
Thu, Sep 17, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain | 15 °C | 78% (1.7 mm/hr) | 100% | 91% | 755 mm Hg | SW 216° 4.11 (8.64) m/s | 0 |
| 01:00 | Light rain | 15 °C | 77% (1 mm/hr) | 100% | 96% | 755 mm Hg | SSW 201° 3.81 (8.22) m/s | 0 |
| 02:00 |  Light drizzle | 15 °C | 74% (0.65 mm/hr) | 100% | 96% | 755 mm Hg | SW 218° 3.81 (8.61) m/s | 0 |
| 03:00 |  Light rain shower | 15 °C | 57% (0.35 mm/hr) | 100% | 95% | 755 mm Hg | SW 227° 3.89 (9.22) m/s | 0 |
| 04:00 |  Overcast | 15 °C | 32% | 100% | 94% | 754 mm Hg | SW 226° 3.19 (7.72) m/s | 0 |
| 05:00 | Light rain shower | 14 °C | 49% (0.23 mm/hr) | 100% | 93% | 754 mm Hg | SW 223° 4 (8.22) m/s | 0 |
| 06:00 | Overcast | 14 °C | 32% | 100% | 93% | 754 mm Hg | SW 234° 3.89 (8.69) m/s | 0 |
| 07:00 |  Light rain shower | 13 °C | 48% (0.2 mm/hr) | 100% | 93% | 754 mm Hg | SW 222° 3.39 (8.11) m/s | 0 |
| 08:00 | Overcast | 13 °C | 32% | 100% | 93% | 754 mm Hg | SSW 212° 3.81 (9.03) m/s | 0 |
| 09:00 |  Patchy rain possible | 14 °C | 42% (0.13 mm/hr) | 100% | 90% | 755 mm Hg | SW 231° 4.39 (9.92) m/s | 0.4 |
| 10:00 | Overcast | 14 °C | 27% | 100% | 85% | 755 mm Hg | SW 234° 4.39 (9.61) m/s | 0.9 |
| 11:00 | Overcast | 15 °C | 23% | 100% | 79% | 755 mm Hg | SW 235° 4.89 (8.83) m/s | 1.5 |
| 12:00 | Patchy rain possible | 16 °C | 19% (0.01 mm/hr) | 100% | 70% | 755 mm Hg | WSW 239° 5.5 (8.31) m/s | 2.1 |
| 13:00 | Patchy rain possible | 17 °C | 13% (0.01 mm/hr) | 82% | 63% | 755 mm Hg | WSW 242° 5.5 (8.33) m/s | 2.2 |
| 14:00 | Patchy rain possible | 17 °C | 16% (0.02 mm/hr) | 100% | 59% | 755 mm Hg | WSW 248° 5.69 (8.64) m/s | 2.3 |
| 15:00 | Patchy rain possible | 17 °C | 21% (0.09 mm/hr) | 99% | 60% | 755 mm Hg | WSW 244° 5.5 (8.89) m/s | 1.5 |
| 16:00 | Patchy rain possible | 17 °C | 17% (0.05 mm/hr) | 98% | 57% | 755 mm Hg | WSW 244° 5.39 (9.11) m/s | 1.1 |
| 17:00 | Patchy rain possible | 17 °C | 12% (0.03 mm/hr) | 78% | 58% | 755 mm Hg | WSW 253° 5.5 (9.14) m/s | 0.6 |
| 18:00 | Patchy rain possible | 16 °C | 15% (0.03 mm/hr) | 86% | 62% | 755 mm Hg | WSW 249° 5.61 (9.11) m/s | 0.3 |
| 19:00 | Patchy rain possible | 15 °C | 15% (0.02 mm/hr) | 80% | 67% | 755 mm Hg | WSW 248° 5.31 (8.92) m/s | 0 |
| 20:00 |  Patchy rain possible | 14 °C | 23% (0.07 mm/hr) | 78% | 75% | 756 mm Hg | WSW 241° 4.5 (8.69) m/s | 0 |
| 21:00 | Patchy rain possible | 13 °C | 24% (0.04 mm/hr) | 79% | 82% | 757 mm Hg | SW 227° 4.81 (10.03) m/s | 0 |
| 22:00 |  Clear | 12 °C | 12% | 5% | 86% | 757 mm Hg | SW 215° 4.31 (10.22) m/s | 0 |
| 23:00 | Patchy rain possible | 11 °C | 22% (0.01 mm/hr) | 72% | 86% | 757 mm Hg | SSW 203° 4.89 (10.42) m/s | 0 |
Thu, Sep 17, 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 10 to 18 °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 86%. 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 10 to 18 °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 9 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 86%) 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.
Will I need an umbrella or sunscreen in Riga this week?
Rain reaches a 86% chance across the next 5 days, so pack something waterproof for the wettest of them — the daily strip above shows which. Today’s UV index peaks at 2.3; sunscreen is worth it from about 3 upwards.
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.