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Grindavík (Reykjanes) Weather Tomorrow

  1. TodayOctober 1710° 8°
  2. TomorrowOctober 189° 7°
  3. MonOctober 198° 5°
  4. TueOctober 206° 2°
  5. WedOctober 215° 2°
  6. ThuOctober 226° 1°
  7. FriOctober 233° -1°
  8. SatOctober 243° -4°
  9. SunOctober 256° 2°
  10. MonOctober 266° 5°
  11. TueOctober 276° 5°
  12. WedOctober 287° 3°
  13. ThuOctober 298° 6°
  14. FriOctober 307° 5°

Grindavík (Reykjanes) · Sunday, October 18 2026

9°7°

Light rain

High 9°, low 7°

Chance of rain
100%
10.0 mm
Wind
75 km/h
southwest
UV index
0
Low
Sunrise
08:27
Sunset 18:00
Day length
9 h 33 min
Moon
First quarter
51% illuminated

Updated: · Source: Open-Meteo

Forecast for Grindavík (Reykjanes) on Sunday, October 18, 2026: light rain, with a high of 9°C and a low of 7°C. The chance of rain is 100%, with 10.0 mm of precipitation expected in total. Wind from the southwest at up to 75 km/h. Sunrise is at 08:27 and sunset at 18:00; day length 9 h 33 min. Temperatures similar to the previous day. This day is 3° warmer than the 7-day average. Rain is most likely between 00:00 and 21:00.

What to wear and what to watch out for

  • Take an umbrella or a raincoat with you.
  • Cool in the morning and evening: dress in layers and bring a sweater or jacket.
  • Strong wind (75 km/h): secure balcony items; ferry services may be disrupted.

Tomorrow's temperatures will be similar to today's.

Sunday, October 18: hour by hour

  1. 00:009°100%
  2. 01:009°100%
  3. 02:009°99%
  4. 03:008°98%
  5. 04:008°96%
  6. 05:008°93%
  7. 06:008°90%
  8. 07:008°86%
  9. 08:008°83%
  10. 09:008°82%
  11. 10:008°87%
  12. 11:007°94%
  13. 12:007°100%
  14. 13:008°100%
  15. 14:008°100%
  16. 15:009°100%
  17. 16:009°100%
  18. 17:009°100%
  19. 18:009°100%
  20. 19:009°83%
  21. 20:008°60%
  22. 21:009°43%
  23. 22:009°37%
  24. 23:008°36%

Weather nearby on October 18

Frequently asked questions

Will it rain in Grindavík (Reykjanes) on Sunday, October 18, 2026?
Yes, the chance of rain is 100%, with 10.0 mm of rain expected in total.
What will the temperature be in Grindavík (Reykjanes) on Sunday, October 18, 2026?
A high of 9°C and a low of 7°C are expected. Conditions: light rain.
What time are sunrise and sunset in Grindavík (Reykjanes) on October 18, 2026?
Sunrise is at 08:27 and sunset at 18:00 (local time); day length 9 h 33 min.
How reliable is this forecast?
Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.

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