5-day weather forecast Riga Sep 21, 2026
12°Weather forecast Riga today Sep 21, 2026: patchy rain possible, temperature from 10 °C to 16 °C.
Precipitation probability 50%. Wind up to 5.69 m/s (gusts 11.22 m/s). Air humidity 66–93%, atmospheric pressure 753–759 mm Hg, UV index up to 2.2.
5 days at a glance — tap a day to open it
Sunrise 07:06
Sunset 19:26
Sunset 19:26
Waxing Gibbous82% illuminated
Moonrise 18:18 · Moonset 00:17
Moonrise 18:18 · Moonset 00:17
Chart
Table
Mon, Sep 21, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 13 °C | 27% | 100% | 85% | 754 mm Hg | SW 228° 5.69 (11.14) m/s | 0 |
| 01:00 |  Patchy rain possible | 13 °C | 36% (0.1 mm/hr) | 100% | 85% | 753 mm Hg | SW 223° 5.61 (11.22) m/s | 0 |
| 02:00 |  Partly cloudy | 12 °C | 15% | 37% | 86% | 753 mm Hg | SW 220° 5.39 (11.11) m/s | 0 |
| 03:00 | Patchy rain possible | 11 °C | 30% (0.08 mm/hr) | 73% | 88% | 753 mm Hg | SW 222° 5.11 (11.19) m/s | 0 |
| 04:00 | Clear | 11 °C | 13% | 5% | 89% | 753 mm Hg | SW 232° 5.19 (11.03) m/s | 0 |
| 05:00 | Clear | 11 °C | 14% | 1% | 91% | 753 mm Hg | SW 232° 4.69 (10.31) m/s | 0 |
| 06:00 | Clear | 10 °C | 15% | 4% | 93% | 753 mm Hg | SW 227° 4.61 (10.53) m/s | 0 |
| 07:00 | Partly cloudy | 10 °C | 18% | 32% | 93% | 753 mm Hg | SW 222° 4.11 (8.31) m/s | 0 |
| 08:00 |  Patchy rain possible | 11 °C | 29% (0.02 mm/hr) | 90% | 91% | 753 mm Hg | SW 214° 3.89 (8.33) m/s | 0 |
| 09:00 | Patchy rain possible | 12 °C | 33% (0.07 mm/hr) | 98% | 85% | 754 mm Hg | SW 218° 4 (8.11) m/s | 0.2 |
| 10:00 | Patchy rain possible | 13 °C | 35% (0.11 mm/hr) | 98% | 83% | 754 mm Hg | SW 228° 4.5 (8.31) m/s | 0.7 |
| 11:00 | Patchy rain possible | 13 °C | 48% (0.42 mm/hr) | 85% | 81% | 754 mm Hg | WSW 249° 4.39 (7.42) m/s | 1.3 |
| 12:00 | Patchy rain possible | 15 °C | 21% (0.09 mm/hr) | 78% | 68% | 755 mm Hg | W 269° 4.81 (6.72) m/s | 1.9 |
| 13:00 | Patchy rain possible | 16 °C | 27% (0.27 mm/hr) | 75% | 66% | 755 mm Hg | W 273° 4.61 (6.53) m/s | 2.2 |
| 14:00 |  Light rain shower | 16 °C | 36% (0.46 mm/hr) | 59% | 67% | 755 mm Hg | W 275° 4.61 (6.33) m/s | 2.1 |
| 15:00 | Light rain shower | 16 °C | 50% (0.58 mm/hr) | 99% | 70% | 755 mm Hg | W 280° 4.69 (6.31) m/s | 1.7 |
| 16:00 | Patchy rain possible | 15 °C | 46% (0.48 mm/hr) | 89% | 73% | 756 mm Hg | WNW 289° 4.19 (6.61) m/s | 1.2 |
| 17:00 | Patchy rain possible | 15 °C | 40% (0.36 mm/hr) | 89% | 74% | 756 mm Hg | NW 316° 5.31 (7.39) m/s | 0.6 |
| 18:00 | Patchy rain possible | 14 °C | 38% (0.26 mm/hr) | 88% | 79% | 757 mm Hg | NW 313° 5.19 (8.06) m/s | 0.3 |
| 19:00 | Patchy rain possible | 14 °C | 44% (0.41 mm/hr) | 72% | 82% | 758 mm Hg | NW 305° 4.81 (7.89) m/s | 0 |
| 20:00 | Patchy rain possible | 13 °C | 46% (0.38 mm/hr) | 79% | 85% | 758 mm Hg | WNW 293° 4.5 (7.31) m/s | 0 |
| 21:00 | Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 71% | 88% | 758 mm Hg | WNW 291° 4.5 (7.42) m/s | 0 |
| 22:00 | Patchy rain possible | 12 °C | 22% (0.01 mm/hr) | 70% | 88% | 758 mm Hg | WNW 300° 4.69 (7.5) m/s | 0 |
| 23:00 | Clear | 12 °C | 12% | 0% | 88% | 759 mm Hg | NW 306° 4 (6.72) m/s | 0 |
Mon, Sep 21, 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 16 °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 91%. 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 16 °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 11 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 91%) 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 91% 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 2.2; 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.