Weather forecast for 10 daysGrindavik, Iceland

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 7°C
  • 5°C
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 3mm
  • Wind: 30km/hSW 217°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 09:08 GMT
  • Sunset: 17:18 GMT
  • ▼
Tomorrow, on Saturday, showers are expected at times, with breaks in the rain later in the day.
Minimal precipitation is forecasted. Minor temperature shifts are anticipated, peaking at a maximum of a chilly 7°C and dropping to a minimum of a cold 5°C.
The expected daily high is projected to match October's typical maximum of 7.6°C.
Sunrise will be at 09:08 and sunset at 17:18; tomorrow's daylight will last for 8h and 10min.

Sunday 1. Nov 2026

  • 9°C
  • 8°C
Light Rain
Light Rain
  • Precip. probability: 73%
  • Precipitation: 6mm
  • Wind: 28km/hS 188°
  • Humidity: 93%
  • UV index: 0
  • Sunrise: 09:11 GMT
  • Sunset: 17:15 GMT
  • ▼
On Sunday, in Grindavik, occasional misty rain will create damp conditions.
The likelihood of rainfall is high. However, precipitation will be light. A slight fluctuation in temperature is anticipated, achieving a maximum of a chilly 9°C and dipping to a minimum of a frosty 8°C.
The maximum temperature will align with October's usual high of 7.6°C.
Sunrise will be at 09:11 and sunset at 17:15; the daylight will last for 8h and 4min.

10-day overview

Daily temperatures

Warmest period: Monday - Tuesday 10°C.
Minimum temperature: 7°C.

Chance of precipitation

Highest chance: today 100%.

Long-term weather forecast

  • Friday
  • 30. Oct 2026
  • min.
  • 5°C
Rain
Rain
  • Precip. probability: 100%
  • Precipitation: 5mm
  • Wind: 29km/hSSW 204°
  • Humidity: 82%
  • UV index: 0
  • Sunrise: 09:05 GMT
  • Sunset: 17:21 GMT
  • ▼
  • Saturday
  • 31. Oct 2026
  • 7°C
  • 5°C
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 3mm
  • Wind: 30km/hSW 217°
  • Humidity: 77%
  • UV index: 0
  • Sunrise: 09:08 GMT
  • Sunset: 17:18 GMT
  • ▼
  • Sunday
  • 1. Nov 2026
  • 9°C
  • 8°C
Light Rain
Light Rain
  • Precip. probability: 73%
  • Precipitation: 6mm
  • Wind: 28km/hS 188°
  • Humidity: 93%
  • UV index: 0
  • Sunrise: 09:11 GMT
  • Sunset: 17:15 GMT
  • ▼
  • Monday
  • 2. Nov 2026
  • 10°C
  • 8°C
Light Rain / Wind
Light Rain / Wind
  • Precip. probability: 52%
  • Precipitation: 10mm
  • Wind: 41km/hSSE 160°
  • Humidity: 91%
  • UV index: 0
  • Sunrise: 09:14 GMT
  • Sunset: 17:11 GMT
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 10°C
  • 5°C
Rain / Wind
Rain / Wind
  • Precip. probability: 92%
  • Precipitation: 8mm
  • Wind: 44km/hSSW 210°
  • Humidity: 89%
  • UV index: 0
  • Sunrise: 09:17 GMT
  • Sunset: 17:08 GMT
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 8°C
  • 7°C
PM Showers
PM Showers
  • Precip. probability: 36%
  • Precipitation: 2mm
  • Wind: 25km/hS 169°
  • Humidity: 81%
  • UV index: 0
  • Sunrise: 09:21 GMT
  • Sunset: 17:05 GMT
  • ▼
  • Thursday
  • 5. Nov 2026
  • 9°C
  • 6°C
Light Rain
Light Rain
  • Precip. probability: 54%
  • Precipitation: 4mm
  • Wind: 26km/hS 183°
  • Humidity: 87%
  • UV index: 0
  • Sunrise: 09:24 GMT
  • Sunset: 17:02 GMT
  • ▼
  • Friday
  • 6. Nov 2026
  • 7°C
  • 5°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 4mm
  • Wind: 22km/hSSW 195°
  • Humidity: 80%
  • UV index: 0
  • Sunrise: 09:27 GMT
  • Sunset: 16:59 GMT
  • ▼
  • Saturday
  • 7. Nov 2026
  • 8°C
  • 5°C
Showers
Showers
  • Precip. probability: 54%
  • Precipitation: 7mm
  • Wind: 19km/hS 189°
  • Humidity: 88%
  • UV index: 0
  • Sunrise: 09:30 GMT
  • Sunset: 16:56 GMT
  • ▼
  • Sunday
  • 8. Nov 2026
  • 7°C
  • 5°C
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 7mm
  • Wind: 25km/hS 190°
  • Humidity: 86%
  • UV index: 0
  • Sunrise: 09:33 GMT
  • Sunset: 16:53 GMT
  • ▼
The extended forecast points to a period where rainfalls are anticipated daily.
Rainfall is expected day-to-day, with daily precipitation varying from a minimal 2mm to a maximum of 10mm.
The high temperatures are expected to remain largely stable in the upcoming period. Highs will range from 7°C to 10°C, while the lowest nightly temperature differences will be also negligible, as the minimum temperature will fluctuate between 5°C and 8°C.
Monday and Tuesday, with the highest temperature of 10°C, will be the warmest days in Grindavik, Iceland; with a maximum temperature of 7°C, Saturday, next Friday and Sunday will be the coldest days in Grindavik, Iceland.
Updated: Oct 30, 2026 @ 22:18:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, expect showers through the day, with the rain easing off by evening.

Tomorrow, there is a low probability of minimal rainfall in Grindavik.

Tomorrow, the maximum temperature will be 7°C, while the minimum temperature will be 5°C.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Saturday, in Grindavik, sunrise will be at 09:08 and sunset at 17:18 (GMT).

In Grindavik, tomorrow, there will be 8h and 10min of daylight.

On Sunday, cloudy skies will bring light rain showers later in the day.

With a probability of 73%, light precipitation of 6mm is expected on Sunday.

On Sunday, the highest temperature will be 9°C, while the lowest temperature will be 8°C.