Fresh breeze

SSE · gusts 12 m/s

Monday 19 October · Breiðafjörður

Vatnshellir Cave weather, live

4°

Drizzle

Icelandic: Súld

Feels like -1° · 0.1 mm/h

Fresh breeze

SSE · gusts 12 m/s

Rain from around 19:00.

The sky over Vatnshellir Cave at 18:49, drawn from the forecast.

Updated 19 October 2026 at 18:49

Measured 18:40Ólafsvík · 17 km · 9 min ago4°9 m/sgusts 1284 %

The next 48 hours

What to wear

If you're out for an hour or so

Feels like -1°

Wool sweater
Stays warm even when damp
Waterproof shell
Wind goes straight through knitwear
Warm hat
Gloves
Rain trousers
No umbrella
It'll flip at the first gust

Driving today

Warnings, gusts and road ice over the next 12 hours

Good driving conditions

No warnings, no strong gusts and nothing pointing to ice.

Always check umferdin.is and safetravel.is before you set off.

Ólafsvík17 km · 15 m
8↑11Air 4°
Ólafsvík18 km
8↑11Air 5°
Gufuskálar18 km · 7 m
7↑12Air 5°
Fróðárheiði20 km · 380 m
2↑5Air 1°Road 1°

Road conditions on umferdin.is

Before you go

An 8,000-year-old lava tube explored on a guided tour down a spiral staircase; bring a warm layer.

10 days

Highs, lows, rain and the strongest gust each day

Evening
4°
9 m/s · ↑13 · 3.0 mm
Night
4°
10 m/s · ↑11 · 0.6 mm
Morning
3°
9 m/s · ↑13 · 2.1 mm
Afternoon
4°
7 m/s · ↑10 · 1.6 mm
Evening
3°
9 m/s · ↑11 · 0.7 mm
Night
3°
8 m/s · ↑11 · 1.1 mm
Morning
2°
9 m/s · ↑12 · 2.2 mm
Afternoon
4°
11 m/s · ↑15 · 0.6 mm
Evening
4°
12 m/s · ↑17 · 4.1 mm
Night
2°
11 m/s · ↑16 · 1.6 mm
Morning
2°
7 m/s · ↑13 · 1.4 mm
Afternoon
2°
3 m/s · ↑11 · 1.6 mm
Evening
1°
2 m/s · ↑10 · 0.3 mm
Night
-1°
2 m/s · ↑10
Morning
1°
5 m/s · ↑11
Afternoon
1°
5 m/s · ↑14 · 0.1 mm
Evening
0°
4 m/s · ↑13 · 0.6 mm
Night
-1°
3 m/s · ↑8 · 1.1 mm
Morning
-2°
2 m/s · ↑9 · 0.1 mm
Afternoon
-1°
1 m/s · ↑11 · 0.1 mm
Evening
-3°
0 m/s · ↑12
Night
-3°
0 m/s · ↑14
Morning
-3°
1 m/s · ↑13
Afternoon
-1°
2 m/s · ↑9
Evening
-2°
2 m/s · ↑10
Night
-3°
2 m/s · ↑12
Morning
-2°
3 m/s · ↑14
Afternoon
2°
4 m/s · ↑14
Evening
0°
2 m/s · ↑12
Night
0°
3 m/s · ↑14
Morning
3°
5 m/s · ↑17
Afternoon
3°
6 m/s · ↑18
Evening
3°
5 m/s · ↑18
Night
3°
5 m/s · ↑14
Morning
3°
5 m/s · ↑15
Afternoon
3°
5 m/s · ↑17 · 0.1 mm
Evening
3°
6 m/s · ↑17

Wind

Mean wind and gusts, m/s

Strongest gust, next 48 h

15m/s

Near gale

Wednesday at 16:00

Mean wind Gusts

The second number is the one that matters: gusts flip trailers and rip car doors off their hinges.

The weeks ahead

Vatnshellir Cave: two weeks day by day, then the weeks after and the season ahead — each compared with the usual weather.

The whole country, two weeks ahead →

The next three days · 19–21 Oct
2° – 6°
Fairly sure
Rain or snow most days · snow possible · Stormy at times
The rest of the week · 22–25 Oct
0° – 4°
Could still change
Rain or snow most days · snow possible · Gales possible
The week after · 26 Oct – 2 Nov
1° – 5°
Could still change
Rain or snow most days · Gales possible

Day by day

ECMWF runs its forecast 51 times with slightly different starting points. Where the runs agree, the forecast is sure; the further ahead, the more they drift apart.

Chance of rain or snow

Strongest gusts, m/s

Likely high and low
8 in 10 runs fall inside
Tap a day for the details.

Further ahead

Beyond two weeks no forecast can say which day it rains — but ECMWF's extended forecast can tell whether a week leans warmer or wetter than usual, and how sure it is. Paler bars mean a weaker lean.

WeekTemperatureRain and snow

2–8 Nov
+0.3° About usual
About the usual rain and snow
9–15 Nov
+0.2° About usual
About the usual rain and snow
Windier than usual
16–22 Nov
+0.1° About usual
About the usual rain and snow
Windier than usual
23–29 Nov
−0.3° About usual
About the usual rain and snow
Windier than usual

The season ahead

ECMWF's seasonal forecast, month by month. Read it as a lean, not a forecast — for packing, the usual weather is still your best guide.

November
Usually 5° / 0° in Keflavík (Airport)
+0.6° A little warmer than usual
About the usual rain and snow
November in detail
December
Usually 4° / -1° in Keflavík (Airport)
+0.5° A little warmer than usual
About the usual rain and snow
December in detail
January
Usually 3° / -1° in Keflavík (Airport)
+0.6° A little warmer than usual
About the usual rain and snow
January in detail

Ensemble, extended-range (EC46) and seasonal (SEAS5) forecasts: ECMWF via Open-Meteo.com, CC BY 4.0.

Daylight

9 h 19 min of daylight

↓ 6 min 41 s shorter than yesterday

Sunrise: 08:39
Sunset: 17:59
Golden hour: 16:44–17:59
Fully dark: 19:46–06:55

Northern lights tonight

Great chance

Best bet around 21:00

Dark 19:46–06:55

Cloud cover through the night

1906

Activity (Kp)

Tonight

5.0

Tue

3.7

Wed

3.3

Get away from street lights and give your eyes fifteen minutes.

From the forecaster

Written by the duty meteorologists at the Icelandic Met Office

South and southwest 5-13 m/s and wiedly rain og showers of rain, but mainly dry in the northeast.

South 8-13 m/s at the east coast tomorrow, but much lighter winds elsewhere. Rain or sleet in the east parts, later snow in mountains, but scattered showers of rain or sleet elsewhere. Clearing in the east tomorrow evening.

Temperatures 3 to 10 deg C, mildest in the Eastfjords.

Written today at 17:59 · vedur.is

Regional forecasts are only written in Icelandic, so this is the national one.

In short

Tonight
Southerly 7–10 m/s, rain. 3 to 4 °C.
Tomorrow
Southerly 6–9 m/s, showers. 3 to 4 °C.
Wednesday
Southeasterly 6–11 m/s, rain. 2 to 4 °C.

Typical weather by month

Nearest long-term record: Keflavík (Airport), 104 km away

high / low · wet days · Icelandic Met Office, Keflavíkurflugvöllur 1991–2020

Questions visitors ask

What is the weather in Vatnshellir Cave right now?

4 °C and light rain, wind 9 m/s from the south, gusting 12 m/s. Measured at Ólafsvík at 18:40 on 19 October 2026.

What will the weather be like in Vatnshellir Cave over the next two weeks?

The next three days (19–21 Oct): 2 to 6 °C, rain or snow most days, snow possible, stormy at times. The rest of the week (22–25 Oct): 0 to 4 °C, rain or snow most days, snow possible, gales possible. The week after (26 Oct – 2 Nov): 1 to 5 °C, rain or snow most days, gales possible. Based on ECMWF's 51-run ensemble forecast as of 19 October 2026; the further ahead, the less certain.

What should I wear in Vatnshellir Cave today?

Dress for the wind, not the thermometer: wool sweater, waterproof shell, warm hat, gloves, rain trousers and no umbrella.

Is it safe to drive to Vatnshellir Cave today?

Good driving conditions. No warnings, no strong gusts and nothing pointing to ice. Always check road conditions on umferdin.is before you set off.

Can I see the northern lights in Vatnshellir Cave tonight?

Great chance — Best bet around 21:00. Dark 19:46–06:55.

When is sunrise and sunset in Vatnshellir Cave today?

Sunrise is at 08:39 and sunset at 17:59 — 9 h 19 min of daylight. Iceland is on UTC all year.

Nearby

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Iceland right now

Live readings from … Icelandic Met Office stations, updated hourly

Gathering stations…

The moving streaks follow the wind as it's measured right now.

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