5-day weather forecast Riga Sep 4, 2026
18°Weather forecast Riga today Sep 4, 2026: light rain shower, temperature from 14 °C to 18 °C.
Precipitation probability 77%. Wind up to 8.31 m/s (gusts 14.33 m/s). Air humidity 81–96%, atmospheric pressure 747–756 mm Hg, UV index up to 2.1.
Weather Alerts
Dzeltenais vēja brīdinājums
04.09.2026. no rīta Rīgas līcī dienvidu, dienvidrietumu vējš pastiprināsies brāzmās līdz 15-17 m/s. Viļņu augstums 1.0-1.5 m.
Dzeltenais vēja brīdinājums
03.09.-04.09.2026. nakts otrajā pusē Baltijas jūras centrālajā daļā dienvidrietumu, rietumu vējš pastiprināsies brāzmās līdz 15-17 m/s. Viļņu augstums 1.5-2.5 m.
5 days at a glance — tap a day to open it
Sunrise 06:32
Sunset 20:12
Sunset 20:12
Last Quarter39% illuminated
Moonrise 21:42 · Moonset 16:28
Moonrise 21:42 · Moonset 16:28
Chart
Table
Fri, Sep 4, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 15 °C | 48% (0.19 mm/hr) | 100% | 94% | 756 mm Hg | SSW 197° 3.89 (8.22) m/s | 0 |
| 01:00 |  Overcast | 14 °C | 32% | 100% | 93% | 755 mm Hg | S 180° 4.61 (10) m/s | 0 |
| 02:00 | Overcast | 14 °C | 31% | 100% | 92% | 755 mm Hg | S 184° 5 (11.61) m/s | 0 |
| 03:00 | Light rain shower | 14 °C | 77% (1.24 mm/hr) | 100% | 94% | 754 mm Hg | S 190° 6 (12.42) m/s | 0 |
| 04:00 | Light rain shower | 14 °C | 65% (0.5 mm/hr) | 100% | 95% | 753 mm Hg | SSW 192° 6.11 (12.61) m/s | 0 |
| 05:00 |  Patchy rain possible | 15 °C | 40% (0.06 mm/hr) | 100% | 96% | 753 mm Hg | SSW 194° 6.69 (13.53) m/s | 0 |
| 06:00 | Light rain shower | 15 °C | 70% (0.71 mm/hr) | 100% | 95% | 752 mm Hg | SSW 192° 7.31 (13.31) m/s | 0 |
| 07:00 | Light rain shower | 14 °C | 73% (0.84 mm/hr) | 100% | 96% | 752 mm Hg | SSW 195° 7.19 (14.33) m/s | 0 |
| 08:00 | Light rain shower | 15 °C | 65% (0.5 mm/hr) | 100% | 96% | 751 mm Hg | SSW 201° 7.11 (13.83) m/s | 0 |
| 09:00 |  Thundery outbreaks possible | 15 °C | 45% (0.12 mm/hr) | 100% | 95% | 750 mm Hg | SSW 200° 7.39 (13.42) m/s | 0.1 |
| 10:00 | Thundery outbreaks possible | 16 °C | 42% (0.09 mm/hr) | 100% | 94% | 750 mm Hg | SSW 206° 7.31 (13.31) m/s | 0.3 |
| 11:00 |  Patchy rain possible | 17 °C | 41% (0.15 mm/hr) | 98% | 89% | 749 mm Hg | SSW 213° 7.19 (12.64) m/s | 1.6 |
| 12:00 | Patchy rain possible | 17 °C | 40% (0.15 mm/hr) | 100% | 86% | 749 mm Hg | SW 218° 7.19 (12.14) m/s | 2 |
| 13:00 | Light rain shower | 17 °C | 42% (0.18 mm/hr) | 100% | 87% | 749 mm Hg | SW 217° 7.31 (12.83) m/s | 2.1 |
| 14:00 | Light rain shower | 17 °C | 43% (0.2 mm/hr) | 100% | 87% | 749 mm Hg | SW 222° 7.81 (13.22) m/s | 1 |
| 15:00 | Patchy rain possible | 17 °C | 31% (0.05 mm/hr) | 100% | 85% | 748 mm Hg | SW 217° 7.69 (13.64) m/s | 0.3 |
| 16:00 | Light rain shower | 18 °C | 37% (0.16 mm/hr) | 100% | 81% | 747 mm Hg | SW 224° 7.81 (12.92) m/s | 0.2 |
| 17:00 | Light rain shower | 17 °C | 65% (0.72 mm/hr) | 100% | 88% | 748 mm Hg | W 277° 8.31 (11.42) m/s | 0.2 |
| 18:00 |  Overcast | 15 °C | 28% | 100% | 87% | 749 mm Hg | NNW 328° 7.5 (11.11) m/s | 0.1 |
| 19:00 | Light rain shower | 15 °C | 55% (0.41 mm/hr) | 100% | 88% | 749 mm Hg | WNW 289° 4.39 (9) m/s | 0.1 |
| 20:00 | Light rain shower | 15 °C | 54% (0.36 mm/hr) | 100% | 90% | 749 mm Hg | WNW 283° 3.31 (6) m/s | 0 |
| 21:00 | Light rain shower | 14 °C | 62% (0.48 mm/hr) | 100% | 91% | 749 mm Hg | WNW 302° 1.69 (2.61) m/s | 0 |
| 22:00 | Light rain shower | 14 °C | 58% (0.42 mm/hr) | 100% | 90% | 748 mm Hg | NW 317° 0.11 (0.5) m/s | 0 |
| 23:00 | Light rain shower | 14 °C | 58% (0.4 mm/hr) | 100% | 92% | 748 mm Hg | S 187° 0.31 (0.42) m/s | 0 |
Fri, Sep 4, 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 11 to 21 °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 77%. 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 11 to 21 °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 8 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 77%) 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 77% 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 2.1; 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.