Will it rain today in Reykjavik?
Should you take an umbrella in Reykjavik? The forecast below loads live every time you open the page: rain now, when the next shower comes, and how much falls today and tomorrow.
Rain right now
No rain expected in Reykjavik for the rest of today. Today’s total: 1.0 mm over 3 wet hours. Tomorrow: 18 mm of rain.
As of 2026-10-16 17:35 UTC (NOAA GFS snapshot). Updating live…
Rain every 3 hours, today and tomorrow
Today · Friday 16 October
1.0 mm of rain, 3 wet hours, up to 0.1 mm/h. (the forecast covers part of the day)
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 09:00–12:00 | 0.3 | 0.1 | light · rain |
| 12:00–15:00 | 0.2 | 0.1 | dry |
| 15:00–18:00 | 0.2 | 0.1 | dry |
| 18:00–21:00 | 0.2 | 0.1 | dry |
| 21:00–00:00 | 0.2 | 0.1 | dry |
Tomorrow · Saturday 17 October
18 mm of rain, 12 wet hours, up to 1.7 mm/h.
Every 3 hours as a table
| Hours | Rain (mm) | mm/h | Type |
|---|---|---|---|
| 00:00–03:00 | 0.2 | 0.1 | dry |
| 03:00–06:00 | 0.1 | 0 | dry |
| 06:00–09:00 | 0.1 | 0 | dry |
| 09:00–12:00 | 0.1 | 0 | dry |
| 12:00–15:00 | 5.2 | 1.7 | light · rain |
| 15:00–18:00 | 3.2 | 1.1 | light · rain |
| 18:00–21:00 | 4.8 | 1.6 | light · rain |
| 21:00–00:00 | 4.7 | 1.6 | light · rain |
Times in local time (Atlantic/Reykjavik). Each bar is the rain over 3 hours; striped bars are snow.
Rain map around Reykjavik
The same NOAA GFS precipitation on the map, moving hour by hour: blue light, darker heavy. Tap for the value.
How much it rains in Reykjavik, month by month
Reykjavik gets about 1,638 mm of rain a year. The wettest month is September (181 mm), the driest June (83 mm); a normal October brings 147 mm.
Average monthly rain and snow (water equivalent) 2001–2025, NASA POWER (MERRA-2 reanalysis, public domain), on a ~50 km grid: mountains and coasts can differ locally.
More for Reykjavik
Weather in Reykjavik now · Rain totals map · Thunderstorms · Cloud map
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Questions
- Will it rain today in Reykjavik?
- At 16 October 2026 the forecast said: No rain expected in Reykjavik for the rest of today. Today’s total: 1.0 mm over 3 wet hours. Tomorrow: 18 mm of rain. The box at the top of the page loads the latest NOAA GFS forecast every time you open it, with the time the next rain starts.
- How much does it rain in Reykjavik?
- About 1,638 mm a year on average (2001–2025). September is the wettest month with 181 mm, June the driest with 83 mm.
- What do the rain amounts mean?
- 1 mm is a litre of water per square metre. Under 2.5 mm an hour is light rain (a drizzle to a steady rain), 2.5–7.6 moderate, above 7.6 heavy: you get soaked in minutes and streets can flood.
- How accurate is the forecast?
- It is the global NOAA GFS model on a 0.25° grid every 3 hours: good at telling a rainy day from a dry one, less at placing a single summer thunderstorm. Check the rain map for the showers moving around Reykjavik.
Rain forecast nearby
How this page works
The rain is the one the rain layer of the map paints: NOAA GFS forecast (public domain), precipitation rate averaged over 3 hours, read at Reykjavik and summed per local day. Rain or snow comes from the GFS precipitation type. The monthly normals are NASA POWER. No third-party weather service.