worldweather

Weather in Skien - 14-day forecast

Detailed weather forecast for Skien, Norway: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Skien
today🌧️ 19°💧 4.5 mm
Sun🌧️ 24°💧 0.1 mm
Mon🌧️ 19°💧 3.9 mm
Tue🌧️ 18°💧 2.1 mm
Wed🌧️ 14°💧 8.1 mm
Thu🌤️ 18°💧 21 mm
Fri🌧️ 11°💧 3.3 mm
Sat🌧️ 11°💧 15.6 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 Skien, the forecast high is 24°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.

19°Cwarmer than usual
usually 15°C–19°C
warmer than 82% of similar days
night: exceptionally warm rain: more rain than usual wind: exceptionally light
24°Cexceptionally warm
usually 15°C–18°C
warmer than 99% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
19°Cwarmer than usual
usually 15°C–18°C
warmer than 89% of similar days
night: exceptionally warm rain: more rain than usual wind: stronger than usual
18°Cwarmer than usual
usually 14°C–18°C
warmer than 79% of similar days
night: near normal rain: typical rainfall wind: stronger than usual
14°Ccooler than usual
usually 14°C–18°C
cooler than 87% of similar days
night: near normal rain: more rain than usual wind: typical
18°Cwarmer than usual
usually 14°C–18°C
warmer than 83% of similar days
night: near normal rain: exceptionally wet wind: stronger than usual
11°Cexceptionally cool
usually 14°C–18°C
cooler than 96% of similar days
night: near normal rain: typical rainfall wind: lighter than usual

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: 14°C1983: 15°C1984: 14°C1985: 14°C1986: 13°C1987: 15°C1988: 18°C1989: 16°C1990: 16°C1991: 16°C1992: 14°C1993: 15°C1994: 14°C1995: 16°C1996: 15°C1997: 17°C1998: 16°C1999: 19°C2000: 15°C2001: 16°C2002: 19°C2003: 17°C2004: 19°C2005: 18°C2006: 18°C2007: 17°C2008: 14°C2009: 17°C2010: 16°C2011: 16°C2012: 15°C2013: 18°C2014: 17°C2015: 17°C2016: 19°C2017: 14°C2018: 17°C2019: 15°C2020: 16°C2021: 20°C2022: 17°C2023: 21°C2024: 19°C2025: 19°C 2026 forecast: 18°C current forecast 18°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 (21°C). The current forecast averages 18°C - higher than in 78% of historical years.

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 - Skien

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

14-day forecast - Skien

Skien - 14-day weather forecast infographic

Day-by-day forecast for Skien

Saturday5 September 2026
🌧️19°light rain
sunrise 06:27 · sunset 20:13 · night 13° · evening 18° · rain 4.54 mm · humidity 76% · wind 2 m/s · clouds 100%
Sunday6 September 2026
🌧️24°light rain
sunrise 06:29 · sunset 20:10 · night 13° · evening 18° · rain 0.11 mm · humidity 42% · wind 3 m/s · clouds 67%
Monday7 September 2026
🌧️19°light rain
sunrise 06:31 · sunset 20:07 · night 15° · evening 16° · rain 3.94 mm · humidity 69% · wind 5 m/s · clouds 88%
Tuesday8 September 2026
🌧️18°light rain
sunrise 06:33 · sunset 20:04 · night 10° · evening 12° · rain 2.06 mm · humidity 49% · wind 5 m/s · clouds 57%
Wednesday9 September 2026
🌧️14°light rain
sunrise 06:36 · sunset 20:01 · night 10° · evening 11° · rain 8.1 mm · humidity 88% · wind 3 m/s · clouds 90%
Thursday10 September 2026
🌤️18°a few clouds
sunrise 06:38 · sunset 19:58 · night 9° · evening 13° · rain 21 mm · humidity 44% · wind 4 m/s · clouds 18%
Friday11 September 2026
🌧️11°light rain
sunrise 06:40 · sunset 19:55 · night 10° · evening 10° · rain 3.3 mm · humidity 92% · wind 3 m/s · clouds 100%
Saturday12 September 2026
🌧️11°moderate rain
sunrise 06:42 · sunset 19:52 · night 9° · evening 11° · rain 15.6 mm · humidity 90% · wind 5 m/s · clouds 100%
Sunday13 September 2026
☁️18°broken clouds
sunrise 06:45 · sunset 19:49 · night 9° · evening 10° · rain 0.42 mm · humidity 45% · wind 2 m/s · clouds 60%
Monday14 September 2026
☁️15°overcast clouds
sunrise 06:47 · sunset 19:46 · night 10° · evening 11° · rain 0.12 mm · humidity 53% · wind 2 m/s · clouds 86%
Tuesday15 September 2026
☀️18°clear sky
sunrise 06:49 · sunset 19:43 · night 12° · evening 15° · rain 0.84 mm · humidity 44% · wind 4 m/s · clouds 10%
Wednesday16 September 2026
☁️18°overcast clouds
sunrise 06:51 · sunset 19:40 · night 13° · evening 14° · rain 1.59 mm · humidity 55% · wind 4 m/s · clouds 100%
Thursday17 September 2026
🌧️18°light rain
sunrise 06:54 · sunset 19:37 · night 10° · evening 14° · rain 1.92 mm · humidity 69% · wind 4 m/s · clouds 99%
Friday18 September 2026
🌧️15°light rain
sunrise 06:56 · sunset 19:34 · night 15° · evening 15° · rain 0.24 mm · humidity 89% · wind 3 m/s · clouds 86%
Saturday19 September 2026
☁️21°broken clouds
sunrise 06:58 · sunset 19:31 · night 14° · evening 15° · rain 5.68 mm · humidity 68% · wind 4 m/s · clouds 61%
Sunday20 September 2026
🌤️22°scattered clouds
sunrise 07:00 · sunset 19:28 · night 14° · evening 14° · humidity 59% · wind 2 m/s · clouds 34%

UV index in Skien - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTSkien03681111+3.6UV 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 Skien 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.

Sea temperature - Skien

Water today
18°C
Week avg
18°C
Waves today
0.3 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 18°C10.09 17°C11.09 17°C12.09 17°C13.09 17°C
Average sea temperature through the year:
Jan 0°CFeb 1°CMar 3°CApr 7°CMay 14°CJun 18°CJul 21°CAug 20°CSep 17°COct 11°CNov 6°CDec 3°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

LarvikSarpsborgOsloTromsoBergenBodoLillehammer

FAQ - Skien weather

What is the weather like in Skien today?
Today it is about 19° during the day and 13° at night, light rain.
How far ahead can I check the forecast for Skien?
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.