worldweather

Weather in Halden - 14-day forecast

Detailed weather forecast for Halden, Norway: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Halden
today🌧️ 18°💧 2.5 mm
Sun☁️ 23°💧 0.1 mm
Mon🌧️ 17°💧 9.3 mm
Tue🌧️ 15°💧 4 mm
Wed🌧️ 13°💧 19.1 mm
Thu🌧️ 16°💧 7 mm
Fri🌧️ 14°💧 3.2 mm
Sat🌧️ 12°💧 3.6 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 Halden, the forecast high is 23°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°Cnear normal
usually 15°C–18°C
night: warmer than usual rain: typical rainfall wind: exceptionally light
23°Cexceptionally warm
usually 15°C–18°C
warmer than 99% of similar days
night: exceptionally warm rain: typical rainfall wind: stronger than usual
17°Cnear normal
usually 15°C–18°C
night: exceptionally warm rain: more rain than usual wind: stronger than usual
15°Ccooler than usual
usually 15°C–18°C
cooler than 72% of similar days
night: near normal rain: more rain than usual wind: stronger than usual
13°Cexceptionally cool
usually 14°C–18°C
cooler than 92% of similar days
night: cooler than usual rain: exceptionally wet wind: typical
16°Cnear normal
usually 14°C–18°C
night: exceptionally warm rain: more rain than usual wind: stronger than usual
14°Ccooler than usual
usually 14°C–18°C
cooler than 85% of similar days
night: warmer than usual rain: typical rainfall wind: stronger 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: 14°C1984: 14°C1985: 13°C1986: 13°C1987: 15°C1988: 17°C1989: 15°C1990: 16°C1991: 15°C1992: 14°C1993: 15°C1994: 14°C1995: 16°C1996: 14°C1997: 17°C1998: 17°C1999: 19°C2000: 15°C2001: 15°C2002: 20°C2003: 18°C2004: 18°C2005: 17°C2006: 18°C2007: 16°C2008: 15°C2009: 17°C2010: 16°C2011: 16°C2012: 16°C2013: 19°C2014: 18°C2015: 17°C2016: 19°C2017: 15°C2018: 18°C2019: 16°C2020: 16°C2021: 19°C2022: 18°C2023: 20°C2024: 20°C2025: 20°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 (20°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 - Halden

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

14-day forecast - Halden

Halden - 14-day weather forecast infographic

Day-by-day forecast for Halden

Saturday5 September 2026
🌧️18°light rain
sunrise 06:20 · sunset 20:06 · night 13° · evening 17° · rain 2.47 mm · humidity 71% · wind 2 m/s · clouds 94%
Sunday6 September 2026
☁️23°broken clouds
sunrise 06:22 · sunset 20:03 · night 14° · evening 17° · rain 0.11 mm · humidity 50% · wind 5 m/s · clouds 80%
Monday7 September 2026
🌧️17°moderate rain
sunrise 06:24 · sunset 20:00 · night 16° · evening 16° · rain 9.31 mm · humidity 80% · wind 6 m/s · clouds 99%
Tuesday8 September 2026
🌧️15°light rain
sunrise 06:26 · sunset 19:57 · night 12° · evening 13° · rain 3.98 mm · humidity 79% · wind 6 m/s · clouds 100%
Wednesday9 September 2026
🌧️13°moderate rain
sunrise 06:29 · sunset 19:54 · night 10° · evening 11° · rain 19.09 mm · humidity 90% · wind 5 m/s · clouds 100%
Thursday10 September 2026
🌧️16°moderate rain
sunrise 06:31 · sunset 19:51 · night 13° · evening 15° · rain 6.96 mm · humidity 59% · wind 6 m/s · clouds 10%
Friday11 September 2026
🌧️14°light rain
sunrise 06:33 · sunset 19:48 · night 12° · evening 12° · rain 3.15 mm · humidity 93% · wind 5 m/s · clouds 100%
Saturday12 September 2026
🌧️12°light rain
sunrise 06:35 · sunset 19:45 · night 11° · evening 11° · rain 3.57 mm · humidity 91% · wind 6 m/s · clouds 100%
Sunday13 September 2026
☁️17°overcast clouds
sunrise 06:38 · sunset 19:42 · night 10° · evening 10° · rain 0.9 mm · humidity 41% · wind 4 m/s · clouds 91%
Monday14 September 2026
☁️16°overcast clouds
sunrise 06:40 · sunset 19:39 · night 9° · evening 11° · rain 2.76 mm · humidity 66% · wind 3 m/s · clouds 90%
Tuesday15 September 2026
🌤️15°scattered clouds
sunrise 06:42 · sunset 19:36 · night 14° · evening 14° · rain 3.42 mm · humidity 60% · wind 6 m/s · clouds 40%
Wednesday16 September 2026
🌧️16°light rain
sunrise 06:44 · sunset 19:33 · night 14° · evening 14° · rain 0.51 mm · humidity 85% · wind 6 m/s · clouds 100%
Thursday17 September 2026
🌧️17°light rain
sunrise 06:47 · sunset 19:30 · night 13° · evening 14° · rain 2.82 mm · humidity 82% · wind 6 m/s · clouds 98%
Friday18 September 2026
🌧️17°light rain
sunrise 06:49 · sunset 19:27 · night 15° · evening 16° · rain 0.57 mm · humidity 74% · wind 5 m/s · clouds 100%
Saturday19 September 2026
🌧️21°light rain
sunrise 06:51 · sunset 19:24 · night 17° · evening 17° · rain 0.42 mm · humidity 64% · wind 4 m/s · clouds 100%
Sunday20 September 2026
🌤️23°scattered clouds
sunrise 06:53 · sunset 19:21 · night 16° · evening 16° · humidity 52% · wind 5 m/s · clouds 45%

UV index in Halden - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTHalden03681111+3.9UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 50 min4Sat5.094Sun6.094Mon7.093Tue8.094Wed9.094Thu10.091Fri11.093Sat12.092Sun13.093Mon14.091Tue15.093Wed16.092Thu17.093Fri18.093Sat19.093Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Halden is 4 (moderate) - unprotected fair skin can burn in about 50 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in Halden - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTHaldentoday5.09tomorrow6.09Mon7.09Tue8.09Ragweed-5--nonelowmoderatehighvery highoff season: alder, birch, grasses, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05

Sea temperature - Halden

Water today
18°C
Week avg
18°C
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 18°C11.09 17°C12.09 16°C13.09 16°C
Average sea temperature through the year:
Jan 3°CFeb 2°CMar 4°CApr 8°CMay 13°CJun 18°CJul 20°CAug 20°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

SarpsborgLarvikOsloSkienHamarBodoBergenLillehammerTromso

FAQ - Halden weather

What is the weather like in Halden today?
Today it is about 18° during the day and 13° at night, light rain.
How far ahead can I check the forecast for Halden?
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.