Weather in Larvik - 14-day forecast

Detailed weather forecast for Larvik, Norway: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Larvik
today🌧️ 18°💧 3.9 mm
Sun☁️ 22°💧 2.6 mm
Mon🌧️ 17°💧 5.6 mm
Tue🌧️ 16°💧 1.6 mm
Wed🌧️ 14°💧 10.8 mm
Thu🌧️ 17°💧 0.6 mm
Fri🌧️ 13°💧 7.3 mm
Sat🌧️ 12°💧 10.1 mm
Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Larvik, the forecast high is 22°C. Typical daytime temperatures at this time of year range from 15°C to 18°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

18°Cwarmer than usual
usually 15°C–18°C
warmer than 76% of similar days
night: warmer than usual rain: more rain than usual wind: typical
22°Cexceptionally warm
usually 15°C–18°C
warmer than 99% of similar days
night: exceptionally warm rain: typical rainfall wind: exceptionally strong
17°Cnear normal
usually 15°C–18°C
night: exceptionally warm rain: more rain than usual wind: exceptionally strong
16°Cnear normal
usually 15°C–18°C
night: warmer than usual rain: typical rainfall wind: exceptionally strong
14°Ccooler than usual
usually 15°C–18°C
cooler than 83% of similar days
night: warmer than usual rain: more rain than usual wind: exceptionally strong
17°Cnear normal
usually 14°C–18°C
night: warmer than usual rain: typical rainfall wind: exceptionally strong
13°Ccooler than usual
usually 14°C–18°C
cooler than 89% of similar days
night: near normal rain: more rain than usual wind: exceptionally strong

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →
10°18°25° 1981: 17°C1982: 15°C1983: 15°C1984: 14°C1985: 14°C1986: 13°C1987: 15°C1988: 17°C1989: 16°C1990: 16°C1991: 16°C1992: 14°C1993: 15°C1994: 14°C1995: 16°C1996: 14°C1997: 17°C1998: 16°C1999: 18°C2000: 15°C2001: 15°C2002: 19°C2003: 17°C2004: 18°C2005: 17°C2006: 18°C2007: 16°C2008: 15°C2009: 17°C2010: 16°C2011: 16°C2012: 16°C2013: 18°C2014: 17°C2015: 17°C2016: 19°C2017: 15°C2018: 17°C2019: 15°C2020: 16°C2021: 19°C2022: 17°C2023: 19°C2024: 19°C2025: 19°C 2026 forecast: 17°C current forecast 17°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 16°C by day. The coolest year was 1986 (13°C) and the warmest was 2023 (19°C). The current forecast averages 17°C - close to the historical median.

Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.

Weather warnings - Larvik

No active weather warnings for Larvik (region: Vestfold). The national weather service is not forecasting dangerous conditions.

14-day forecast - Larvik

Larvik - 14-day weather forecast infographic

Day-by-day forecast for Larvik

Saturday5 September 2026
🌧️18°light rain
sunrise 06:25 · sunset 20:11 · night 14° · evening 18° · rain 3.92 mm · humidity 83% · wind 5 m/s · clouds 100%
Sunday6 September 2026
☁️22°broken clouds
sunrise 06:27 · sunset 20:08 · night 14° · evening 18° · rain 2.55 mm · humidity 58% · wind 10 m/s · clouds 56%
Monday7 September 2026
🌧️17°moderate rain
sunrise 06:30 · sunset 20:05 · night 16° · evening 17° · rain 5.56 mm · humidity 87% · wind 9 m/s · clouds 96%
Tuesday8 September 2026
🌧️16°light rain
sunrise 06:32 · sunset 20:02 · night 13° · evening 14° · rain 1.55 mm · humidity 72% · wind 10 m/s · clouds 73%
Wednesday9 September 2026
🌧️14°light rain
sunrise 06:34 · sunset 19:59 · night 13° · evening 13° · rain 10.79 mm · humidity 79% · wind 8 m/s · clouds 100%
Thursday10 September 2026
🌧️17°light rain
sunrise 06:36 · sunset 19:56 · night 13° · evening 16° · rain 0.6 mm · humidity 55% · wind 8 m/s · clouds 23%
Friday11 September 2026
🌧️13°moderate rain
sunrise 06:39 · sunset 19:53 · night 11° · evening 11° · rain 7.32 mm · humidity 85% · wind 8 m/s · clouds 100%
Saturday12 September 2026
🌧️12°moderate rain
sunrise 06:41 · sunset 19:50 · night 13° · evening 13° · rain 10.14 mm · humidity 80% · wind 9 m/s · clouds 100%
Sunday13 September 2026
☁️15°broken clouds
sunrise 06:43 · sunset 19:47 · night 13° · evening 14° · rain 1.89 mm · humidity 54% · wind 5 m/s · clouds 74%
Monday14 September 2026
☁️14°overcast clouds
sunrise 06:45 · sunset 19:44 · night 13° · evening 13° · rain 0.93 mm · humidity 61% · wind 4 m/s · clouds 94%
Tuesday15 September 2026
🌤️16°scattered clouds
sunrise 06:48 · sunset 19:41 · night 14° · evening 16° · rain 2.88 mm · humidity 58% · wind 10 m/s · clouds 35%
Wednesday16 September 2026
☁️16°overcast clouds
sunrise 06:50 · sunset 19:38 · night 15° · evening 15° · rain 2.76 mm · humidity 81% · wind 9 m/s · clouds 100%
Thursday17 September 2026
🌧️16°light rain
sunrise 06:52 · sunset 19:36 · night 14° · evening 15° · rain 2.94 mm · humidity 82% · wind 9 m/s · clouds 93%
Friday18 September 2026
🌧️15°light rain
sunrise 06:54 · sunset 19:33 · night 16° · evening 15° · rain 0.12 mm · humidity 88% · wind 7 m/s · clouds 90%
Saturday19 September 2026
🌤️17°scattered clouds
sunrise 06:57 · sunset 19:30 · night 15° · evening 15° · rain 5.72 mm · humidity 84% · wind 5 m/s · clouds 49%
Sunday20 September 2026
🌤️17°scattered clouds
sunrise 06:59 · sunset 19:27 · night 15° · evening 15° · humidity 85% · wind 4 m/s · clouds 47%

UV index in Larvik - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTLarvik03681111+3.8UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 55 min4Sat5.094Sun6.094Mon7.094Tue8.093Wed9.094Thu10.092Fri11.093Sat12.092Sun13.093Mon14.092Tue15.093Wed16.092Thu17.093Fri18.093Sat19.093Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Larvik is 4 (moderate) - unprotected fair skin can burn in about 55 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Larvik - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTLarvikHighest pollen today: Ragweed6 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Ragweed672-nonelowmoderatehighvery highoff season: alder, birch, grasses, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in Larvik - about 6 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

Sea temperature - Larvik

Water today
18°C
Week avg
18°C
Waves today
1.1 m
How's the water?
cold
16-day sea temperature forecast:
5.09 18°C6.09 18°C7.09 18°C8.09 18°C9.09 17°C10.09 17°C11.09 17°C12.09 17°C13.09 16°C
Average sea temperature through the year:
Jan 3°CFeb 3°CMar 4°CApr 7°CMay 13°CJun 17°CJul 19°CAug 19°CSep 17°COct 13°CNov 8°CDec 5°C
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Upcoming public holidays in Norway: Christmas Day — 25 December · St. Stephen's Day — 26 December · New Year's Day — 1 January.

Nearby and related places

SkienSarpsborgHaldenLillehammerHamarOsloBodo

FAQ - Larvik weather

What is the weather like in Larvik today?
Today it is about 18° during the day and 14° at night, light rain.
How far ahead can I check the forecast for Larvik?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.