Weather in Arendal
14-day forecast · updated today, Thursday, October 29, at 12:44 am (CET)- Feels like
- 44 °F
- Low / high
- 46 / 56 °F
- Rain
- 22%
- Wind
- 5 mph WSW
Today in Arendal: overcast, 46 °F to 56 °F, with a 22% chance of rain and a light breeze from the west-southwest (5 mph). Tomorrow, fog, 42 °F to 58 °F and a 0% chance of rain. The warmest day of the week is Friday 30, at 58 °F. No significant rain expected over the next 7 days.
Temperatures for the next 14 days
- Today
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
- Sun 8
- Mon 9
- Tue 10
- Wed 11
Day by day
| Day | Sky | Low / high | Rain | Max wind | Max wave | High tides | Model |
|---|---|---|---|---|---|---|---|
| Today · 29 | 46 / 56 °F | 22% | 13 mph WSW | 3.7 ft | 6:11 am · 6:51 pm | ICON-EU | |
| Fri 30 | 42 / 58 °F | 0% | 4 mph WNW | 2.0 ft | 7:13 am · 7:59 pm | ICON-EU | |
| Sat 31 | 40 / 51 °F | 2% | 5 mph NNW | 1.8 ft | 8:20 am · 9:12 pm | ICON-EU | |
| Sun 1 | 47 / 51 °F | 6% · 0.01 in | 6 mph NW | 2.0 ft | 9:31 am · 10:27 pm | ICON-EU | |
| Mon 2 | 43 / 50 °F | 4% | 14 mph NNE | 1.2 ft | 10:43 am · 11:37 pm | ICON-EU + ECMWF | |
| Tue 3 | 44 / 57 °F | 0% | 8 mph NW | 0.4 ft | 11:50 am | ECMWF | |
| Wed 4 | 38 / 52 °F | 1% | 7 mph NNW | 1.2 ft | 12:39 am · 12:50 pm | ECMWF | |
| Thu 5 | 37 / 51 °F | 2% | 7 mph NW | 0.8 ft | 1:33 am · 1:44 pm | ECMWF | |
| Fri 6 | 34 / 48 °F | 2% | 7 mph NNW | 1.0 ft | 2:22 am · 2:34 pm | ECMWF | |
| Sat 7 | 31 / 46 °F | 8% | 6 mph NW | 1.9 ft | 3:06 am · 3:20 pm | ECMWF | |
| Sun 8 | 37 / 48 °F | 15% | 8 mph NNW | 2.2 ft | 3:46 am · 4:04 pm | ECMWF | |
| Mon 9 | 34 / 45 °F | 20% | 8 mph N | 2.0 ft | 4:25 am · 4:48 pm | ECMWF | |
| Tue 10 | 38 / 45 °F | 26% · 0.44 in | 14 mph NE | 5.2 ft | 5:04 am · 5:35 pm | ECMWF | |
| Wed 11 | 38 / 41 °F | 25% · 0.08 in | 14 mph NNE | 5.8 ft | 5:45 am · 6:27 pm | ECMWF |
Each hour comes from the best model for this spot: ICON-EU until Monday 2 8:00 pm; then ECMWF until Thursday 12 4:00 pm; then GFS.
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
Today, every 3 hours
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Mainly clear | Clear | Partly cloudy | Mainly clear | Partly cloudy | Clear sky | Clear | Mainly clear |
| Temperature | 49° | 47° | 47° | 50° | 55° | 56° | 52° | 47° |
| Chance of rain | 22% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in |
| Wind (mph) | 6 WSW | 7 WSW | 7 WSW | 11 W | 13 WSW | 10 WSW | 7 SW | 4 WSW |
| Humidity | 90% | 86% | 84% | 82% | 78% | 74% | 85% | 91% |
| UV | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Model | ICON-EU | ICON-EU | ICON-EU | ICON-EU | ICON-EU | ICON-EU | ICON-EU | ICON-EU |
Do the models agree?
Medium confidenceThey broadly agree, but not quite on temperature on Sunday 1: take it with some caution.
What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.
| High (°F) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 58° | 57° | 53° | 55° | 52° | 57° | 52° |
| AIFS | 56° | 54° | 50° | 53° | 50° | 49° | 49° |
| GFS | 55° | 53° | 50° | 56° | 49° | 48° | 49° |
| ICON | 56° | 59° | 52° | 51° | 50° | 50° | 53° |
| ARPEGE | 54° | 55° | 51° | 48° | — | — | — |
| ICON-EU | 56° | 58° | 51° | 51° | 50° | — | — |
| Confidence | high | high | high | medium | high | medium | high |
| Rain | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| AIFS | 0.01 in | 0 | 0 | 0 | 0 | 0 | 0 |
| GFS | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| ICON | 0 | 0 | 0 | 0.01 in | 0 | 0 | 0 |
| ARPEGE | 0 | 0 | 0 | 0 | — | — | — |
| ICON-EU | 0 | 0 | 0 | 0.01 in | 0 | — | — |
| Confidence | high | high | high | high | high | high | high |
| Wind (mph) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 1129 | 815 | 39 | 1030 | 928 | 823 | 714 |
| AIFS | 10 | 7 | 5 | 9 | 9 | 5 | 4 |
| GFS | 1529 | 911 | 93 | 1610 | 78 | 53 | 63 |
| ICON | 1122 | 510 | 59 | 49 | 1122 | 49 | 511 |
| ARPEGE | 917 | 914 | 55 | 410 | — | — | — |
| ICON-EU | 1323 | 47 | 58 | 69 | 1423 | — | — |
| Confidence | high | high | high | high | high | high | high |
Chance of rain from the ensemble models
| Model | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF (51 scenarios) | 22% | 0% | 2% | 6% | 4% | 0% | 1% |
| GFS (GEFS, 31 scenarios) | 18% | 0% | 0% | 6% | 6% | 0% | 0% |
Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.
Outlook
How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.
The next few weeks look normal for the time of year.
Next 6 weeks
| When | TemperatureTemp. | Rain | Typical high / low |
|---|---|---|---|
| Nov 2 – Nov 8Nov 2–Nov 8 | A bit below −0.9 °F | Below −90% | — |
| Nov 9 – Nov 15Nov 9–Nov 15 | Normal −0.5 °F | Normal | — |
| Nov 16 – Nov 22Nov 16–Nov 22 | Normal −0.2 °F | A bit above +25% | 39° / 34° |
| Nov 23 – Nov 29Nov 23–Nov 29 | Normal −0.7 °F | A bit above +25% | 37° / 32° |
| Nov 30 – Dec 6Nov 30–Dec 6 | A bit below −1.1 °F | Normal | 35° / 31° |
Coming months
| When | TemperatureTemp. | Rain |
|---|---|---|
| November | Normal +0.4 °F | Normal |
| December | Above +2.9 °F | A bit above +22% |
| January | Normal +0.5 °F | Normal |
| February | Normal −0.5 °F | Normal |
| March | Normal +0.7 °F | Normal |
Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give. The long-range sea temperature isn't usable at this spot (the model's grid cell falls on land).
Arendal climate by monthClimate by month
Normal weather for each month (1991–2020 averages)The best time to visit Arendal is in July: highs of 69 °F, about 9 rainy days a month and 7 hours of sunshine a day.
- JanJ
- FebF
- MarM
- AprA
- MayM
- JunJ
- JulJ
- AugA
- SepS
- OctO
- NovN
- DecD
- Highs and lows
- Monthly rainfall
- Best time
| Month | High | Low | Rain | Rainy daysDays | Sun (h/day) | Water | Waves |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 35° | 27° | 3.81 in | 13 | 1.9 | 41° | 4.5 ft |
| FebruaryFeb | 36° | 26° | 2.52 in | 10 | 2.5 | 38° | 4.2 ft |
| MarchMar | 43° | 30° | 2.39 in | 9 | 5.2 | 39° | 3.4 ft |
| AprilApr | 50° | 37° | 1.92 in | 9 | 6.5 | 43° | 2.6 ft |
| MayMay | 59° | 44° | 2.55 in | 9 | 8.1 | 51° | 2.5 ft |
| JuneJun | 65° | 51° | 3.00 in | 9 | 8.0 | 58° | 2.5 ft |
| JulyJul | 69° | 55° | 3.06 in | 9 | 7.3 | 63° | 2.5 ft |
| AugustAug | 68° | 54° | 4.16 in | 11 | 6.6 | 64° | 2.7 ft |
| SeptemberSep | 61° | 49° | 4.94 in | 12 | 4.6 | 60° | 3.4 ft |
| OctoberOct | 52° | 42° | 5.63 in | 14 | 3.2 | 54° | 4.0 ft |
| NovemberNov | 43° | 35° | 5.33 in | 14 | 1.4 | 48° | 4.3 ft |
| DecemberDec | 36° | 28° | 3.98 in | 13 | 1.2 | 44° | 4.9 ft |
| Month | Water | Waves |
|---|---|---|
| Jan | 41° | 4.5 ft |
| Feb | 38° | 4.2 ft |
| Mar | 39° | 3.4 ft |
| Apr | 43° | 2.6 ft |
| May | 51° | 2.5 ft |
| Jun | 58° | 2.5 ft |
| Jul | 63° | 2.5 ft |
| Aug | 64° | 2.7 ft |
| Sep | 60° | 3.4 ft |
| Oct | 54° | 4.0 ft |
| Nov | 48° | 4.3 ft |
| Dec | 44° | 4.9 ft |
Days: rainy days in the month. Sun: hours a day.
A normal year brings 43.27 in of rain on about 130 days and about 1,700 hours of sunshine.
1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses
Temperature
It's 48 °F now (feels like 44 °F). Today, 46 °F to 56 °F; tomorrow, 42 °F to 58 °F.
Chance of rain
Today the chance of rain reaches 22%. No significant rain expected this week.
Recent rain: last 24 hours, 0.04 in; last 3 days, 0.89 in; last 7 days, 5.32 in.
Humidity and dew point
Humidity is 90% now and the dew point is 45 °F. The temperature is very close to the dew point: fog may form.
The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.
Visibility and fog
Visibility is good now (14 mi). No fog expected today.
UV index
Fri 30: 1 · Sat 31: 1 · Sun 1: 1
| Index | Level | What to do |
|---|---|---|
| 0–2 | low | No special protection needed. |
| 3–5 | moderate | Hat, sunglasses and sunscreen around midday. |
| 6–7 | high | Sunscreen, hat and shade between 12 and 4 pm. |
| 8–10 | very high | Avoid the midday sun; reflection off the water adds to it. |
| 11+ | extreme | Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy. |
Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.
Barometric pressure
- ↗ Rising · now Anglers say fish bite less for a while
- → Steady Anglers expect normal activity
- ↘ Falling Anglers say fish feed more before the change
Rising now (+0.03 inHg in 3 hours). Over the next 48 hours: +0.38 inHg. Rising pressure: anglers say fish bite less for a while. Fast changes, either way, tend to affect fishing.
Air and pollen
Pollen: Copernicus CAMS model (a rough guide, not a pollen trap). Levels use each type's usual thresholds.
Previous days
The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 28 | Drizzle | 48 / 55 °F | 0.12 in | 12 mph SW |
| Tue 27 | Light rain | 49 / 56 °F | 0.84 in | 21 mph SSW |
| Mon 26 | Light drizzle | 47 / 57 °F | 0.01 in | 15 mph WSW |
| Sun 25 | Rain | 47 / 50 °F | 1.31 in | 28 mph S |
| Sat 24 | Rain | 48 / 51 °F | 1.80 in | 15 mph ESE |
| Fri 23 | Drizzle | 43 / 53 °F | 0.14 in | 8 mph SSW |
| Thu 22 | Rain | 49 / 53 °F | 1.31 in | 15 mph SSE |
Show all 30 days
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 21 | Light rain | 44 / 52 °F | 0.85 in | 18 mph ENE |
| Tue 20 | Drizzle | 42 / 49 °F | 0.07 in | 16 mph NE |
| Mon 19 | Partly cloudy | 33 / 53 °F | 0 | 6 mph NW |
| Sun 18 | Partly cloudy | 36 / 53 °F | 0 | 8 mph N |
| Sat 17 | Mainly clear | 38 / 53 °F | 0 | 11 mph N |
| Fri 16 | Light rain | 45 / 55 °F | 0.34 in | 11 mph W |
| Thu 15 | Light drizzle | 52 / 58 °F | 0.07 in | 17 mph SW |
| Wed 14 | Overcast | 47 / 57 °F | 0 | 16 mph W |
| Tue 13 | Rain | 47 / 53 °F | 0.90 in | 17 mph SSE |
| Mon 12 | Overcast | 36 / 49 °F | 0 | 8 mph NE |
| Sun 11 | Light drizzle | 40 / 49 °F | 0.01 in | 14 mph NNE |
| Sat 10 | Heavy drizzle | 40 / 48 °F | 0.33 in | 18 mph NNE |
| Fri 9 | Drizzle | 40 / 51 °F | 0.18 in | 13 mph ENE |
| Thu 8 | Light rain | 43 / 56 °F | 0.40 in | 14 mph N |
| Wed 7 | Rain | 42 / 53 °F | 0.90 in | 12 mph NNW |
| Tue 6 | Partly cloudy | 48 / 60 °F | 0 | 13 mph W |
| Mon 5 | Light drizzle | 53 / 64 °F | 0.06 in | 17 mph SW |
| Sun 4 | Overcast | 47 / 59 °F | 0 | 15 mph WSW |
| Sat 3 | Light drizzle | 51 / 60 °F | 0.11 in | 15 mph SW |
| Fri 2 | Drizzle | 52 / 65 °F | 0.08 in | 11 mph WSW |
| Thu 1 | Light rain | 56 / 62 °F | 0.31 in | 14 mph E |
| Wed 30 | Light drizzle | 55 / 63 °F | 0.01 in | 16 mph ENE |
| Tue 29 | Light drizzle | 47 / 59 °F | 0.01 in | 12 mph NE |
These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.
Questions about the weather in ArendalQuestions
What's the weather like today in Arendal?
Overcast, from 46 °F to 56 °F, with a light breeze from the west-southwest (5 mph) and a 22% chance of rain.
Will it rain tomorrow in Arendal?
On Friday 30 the chance of rain is 0% (0.00 in): fog.
How warm will it be this week?
Between a low of 38 °F and a high of 58 °F; the warmest day, Friday 30.
What's the UV index today?
It reaches 1 (low). No special protection needed.
Is the pressure rising or falling?
It's 30.07 inHg and rising: +0.25 inHg over the last 24 hours.
When is the best time to visit Arendal?
The best time to visit Arendal is in July: highs of 69 °F, about 9 rainy days a month and 7 hours of sunshine a day.
What is the weather like in Arendal in October?
In October, Arendal normally sees highs of 52 °F and lows of 42 °F, with about 14 rainy days (5.63 in for the month) and 3 hours of sunshine a day. The sea is around 54 °F. These are 1991–2020 averages.
What are the warmest and wettest months in Arendal?
The warmest is July, with average highs of 69 °F, and the coldest February, with lows of 26 °F. The wettest is October (5.63 in) and the driest, April.
More about Arendal today
Weather near Arendal
- Grimstad 48 °F · clear · 11 mi
- Tvedestrand 46 °F · clear · 12 mi
- Risør 47 °F · overcast · 24 mi
- Justvik 46 °F · mainly clear · 32 mi
- Portør 47 °F · overcast · 34 mi
- Kil 44 °F · overcast · 35 mi
Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.
Learn more
Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 2.8 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 12:44 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from