5-day weather forecast Reykjavík 15-08-2026
Weather forecast Reykjavík today 15.08.2026: sunny, temperature from 9 °C to 12 °C.
Precipitation probability 10%. Wind up to 3.31 m/s (gusts 4.47 m/s). Air humidity 68–82%, atmospheric pressure 761–761 mm Hg, UV index up to 3.2.
5 days at a glance — tap a day to open it
Sunrise 05:19
Sunset 21:44
Sunset 21:44
Waxing Crescent11% illuminated
Moonrise 09:44 · Moonset 21:23
Moonrise 09:44 · Moonset 21:23
Chart
Table
Sat, Aug 15, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 10 °C | 9% | 0% | 80% | 761 mm Hg | NNE 13° 2.81 (4.47) m/s | 0 |
| 01:00 | Clear | 9 °C | 10% | 0% | 80% | 761 mm Hg | NNE 17° 2.39 (3.86) m/s | 0 |
| 02:00 | Clear | 9 °C | 10% | 0% | 80% | 761 mm Hg | NNE 14° 2 (3.28) m/s | 0 |
| 03:00 | Clear | 9 °C | 10% | 0% | 81% | 761 mm Hg | NNE 13° 2 (3.28) m/s | 0 |
| 04:00 | Clear | 9 °C | 10% | 0% | 81% | 761 mm Hg | NNE 18° 1.81 (2.97) m/s | 0 |
| 05:00 | Clear | 9 °C | 10% | 0% | 81% | 761 mm Hg | NNE 12° 1.61 (2.67) m/s | 0 |
| 06:00 |  Sunny | 9 °C | 10% | 0% | 82% | 761 mm Hg | N 6° 1.69 (2.78) m/s | 0 |
| 07:00 | Sunny | 9 °C | 9% | 0% | 80% | 761 mm Hg | N 9° 1.5 (2.17) m/s | 0.2 |
| 08:00 | Sunny | 10 °C | 8% | 0% | 76% | 761 mm Hg | N 355° 1.39 (1.86) m/s | 0.5 |
| 09:00 | Sunny | 10 °C | 7% | 0% | 72% | 761 mm Hg | NNW 336° 1.61 (2.06) m/s | 1 |
| 10:00 | Sunny | 11 °C | 6% | 1% | 70% | 761 mm Hg | NW 323° 2.11 (2.64) m/s | 1.6 |
| 11:00 | Sunny | 11 °C | 6% | 6% | 69% | 761 mm Hg | NW 313° 2.69 (3.33) m/s | 2.3 |
| 12:00 | Sunny | 11 °C | 6% | 8% | 68% | 761 mm Hg | NW 315° 3.11 (3.81) m/s | 2.9 |
| 13:00 | Sunny | 11 °C | 6% | 2% | 69% | 761 mm Hg | NW 314° 3.19 (3.94) m/s | 3.2 |
| 14:00 | Sunny | 11 °C | 6% | 2% | 69% | 761 mm Hg | NW 309° 2.89 (3.56) m/s | 3.2 |
| 15:00 | Sunny | 12 °C | 6% | 3% | 70% | 761 mm Hg | WNW 303° 3 (3.67) m/s | 2.9 |
| 16:00 | Sunny | 11 °C | 6% | 3% | 71% | 761 mm Hg | WNW 303° 3.31 (4.11) m/s | 2.2 |
| 17:00 | Sunny | 11 °C | 7% | 3% | 72% | 761 mm Hg | WNW 300° 3.19 (3.94) m/s | 1.5 |
| 18:00 | Sunny | 11 °C | 7% | 4% | 73% | 761 mm Hg | WNW 302° 2.81 (3.47) m/s | 0.9 |
| 19:00 | Sunny | 11 °C | 7% | 6% | 73% | 761 mm Hg | NW 306° 2.19 (2.78) m/s | 0.5 |
| 20:00 | Sunny | 11 °C | 8% | 6% | 75% | 761 mm Hg | NW 309° 1.61 (2.08) m/s | 0.2 |
| 21:00 | Sunny | 10 °C | 9% | 5% | 78% | 761 mm Hg | NW 314° 0.89 (1.22) m/s | 0 |
| 22:00 | Clear | 10 °C | 10% | 4% | 81% | 761 mm Hg | NNW 332° 0.19 (0.31) m/s | 0 |
| 23:00 | Clear | 10 °C | 10% | 3% | 80% | 761 mm Hg | SSE 150° 0.31 (0.47) m/s | 0 |
Sat, Aug 15, 2026
Frequently asked questions about the 5-day weather in Reykjavík
What will the weather be like in Reykjavík over the next 5 days?
Over the next 5 days in Reykjavík the temperature is expected to range from about 9 to 13 °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 Reykjavík?
The chance of rain in Reykjavík over the next 5 days reaches 47%. 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 Reykjavík?
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 Reykjavík will be the warmest and which the coolest?
Over the next 5 days the temperature in Reykjavík ranges from about 9 to 13 °C. Compare the warmest and coolest day on the temperature chart above.
Will it be windy in Reykjavík over the next 5 days?
Over the next 5 days the wind in Reykjavík picks up to 7 m/s. The windiest days are easy to spot on the wind chart above.
Which day of the week in Reykjavík 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 47%) and light wind — easy to compare on the 5-day charts above.
How can I best use the 5-day forecast for Reykjavík?
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.
Reykjavík 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.