Weather in La Chaux-de-Fonds - 14-day forecast

Detailed weather forecast for La Chaux-de-Fonds, Switzerland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in La Chaux-de-Fonds
today🌧️ 20°💧 0.7 mm
Sun🌤️ 21°💧 1.7 mm
Mon🌧️ 23°💧 1.1 mm
Tue🌧️ 21°💧 2.1 mm
Wed🌧️ 13°💧 1.4 mm
Thu☁️ 16°💧 0.1 mm
Fri🌧️ 19°💧 2.6 mm
Sat🌧️ 17°💧 0.6 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

Wednesday 9 Sept in La Chaux-de-Fonds, the forecast high is 13°C. Typical daytime temperatures at this time of year range from 15°C to 23°C, so it will be exceptionally cool. It is cooler than 91% of similar days.

20°Cnear normal
usually 16°C–23°C
night: warmer than usual rain: typical rainfall wind: lighter than usual
21°Cnear normal
usually 16°C–23°C
night: exceptionally warm rain: typical rainfall wind: exceptionally light
23°Cwarmer than usual
usually 16°C–23°C
warmer than 88% of similar days
night: exceptionally warm rain: typical rainfall wind: typical
21°Cnear normal
usually 16°C–23°C
night: near normal rain: typical rainfall wind: typical
13°Cexceptionally cool
usually 15°C–23°C
cooler than 91% of similar days
night: cooler than usual rain: typical rainfall wind: exceptionally light
16°Ccooler than usual
usually 15°C–23°C
cooler than 74% of similar days
night: near normal rain: typical rainfall wind: lighter than usual
19°Cnear normal
usually 15°C–22°C
night: near normal rain: more rain than usual wind: typical

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°23°35° 1981: 19°C1982: 20°C1983: 19°C1984: 13°C1985: 18°C1986: 19°C1987: 19°C1988: 21°C1989: 20°C1990: 17°C1991: 23°C1992: 17°C1993: 17°C1994: 18°C1995: 17°C1996: 15°C1997: 20°C1998: 19°C1999: 21°C2000: 19°C2001: 13°C2002: 18°C2003: 18°C2004: 22°C2005: 21°C2006: 22°C2007: 15°C2008: 20°C2009: 20°C2010: 18°C2011: 21°C2012: 22°C2013: 19°C2014: 20°C2015: 17°C2016: 22°C2017: 17°C2018: 23°C2019: 16°C2020: 21°C2021: 22°C2022: 22°C2023: 29°C2024: 18°C2025: 19°C 2026 forecast: 19°C current forecast 19°C 198119902000201020202026
cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 19°C by day. The coolest year was 1984 (13°C) and the warmest was 2023 (29°C). The current forecast averages 19°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 - La Chaux-de-Fonds

No active weather warnings for La Chaux-de-Fonds (region: Doubs). The national weather service is not forecasting dangerous conditions.

14-day forecast - La Chaux-de-Fonds

La Chaux-de-Fonds - 14-day weather forecast infographic

La Chaux-de-Fonds 30 & 45-day weather - long-range outlook

Next 16 days · forecast
19°
around 12° at night · days with rain: 8
Weeks 3-4 · avg for September
20°
around 10° at night · rain chance 47%
Weeks 5-7 · avg for October
14°
around 9° at night · rain chance 0%
The 30 & 45-day outlook for La Chaux-de-Fonds: the next 16 days are a numerical forecast updated daily - on average 19° by day and 12° at night. Further out we rely on multi-year climate averages: around 20° in September, and about 14° in October. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for La Chaux-de-Fonds

Saturday5 September 2026
🌧️20°light rain
sunrise 06:56 · sunset 20:06 · night 14° · evening 21° · rain 0.66 mm · humidity 63% · wind 3 m/s · clouds 91%
Sunday6 September 2026
🌤️21°scattered clouds
sunrise 06:58 · sunset 20:04 · night 16° · evening 23° · rain 1.74 mm · humidity 44% · wind 2 m/s · clouds 40%
Monday7 September 2026
🌧️23°light rain
sunrise 06:59 · sunset 20:02 · night 15° · evening 19° · rain 1.05 mm · humidity 40% · wind 5 m/s · clouds 88%
Tuesday8 September 2026
🌧️21°light rain
sunrise 07:00 · sunset 20:00 · night 11° · evening 12° · rain 2.06 mm · humidity 47% · wind 4 m/s · clouds 98%
Wednesday9 September 2026
🌧️13°light rain
sunrise 07:02 · sunset 19:58 · night 7° · evening 9° · rain 1.43 mm · humidity 60% · wind 2 m/s · clouds 100%
Thursday10 September 2026
☁️16°broken clouds
sunrise 07:03 · sunset 19:56 · night 8° · evening 9° · rain 0.12 mm · humidity 41% · wind 4 m/s · clouds 83%
Friday11 September 2026
🌧️19°light rain
sunrise 07:04 · sunset 19:54 · night 11° · evening 10° · rain 2.58 mm · humidity 39% · wind 5 m/s · clouds 77%
Saturday12 September 2026
🌧️17°light rain
sunrise 07:06 · sunset 19:52 · night 11° · evening 12° · rain 0.57 mm · humidity 49% · wind 4 m/s · clouds 52%
Sunday13 September 2026
🌧️18°light rain
sunrise 07:07 · sunset 19:50 · night 10° · evening 12° · rain 0.15 mm · humidity 52% · wind 2 m/s · clouds 100%
Monday14 September 2026
☁️20°overcast clouds
sunrise 07:08 · sunset 19:48 · night 12° · evening 13° · rain 1.77 mm · humidity 49% · wind 2 m/s · clouds 88%
Tuesday15 September 2026
🌧️17°heavy rain
sunrise 07:10 · sunset 19:46 · night 11° · evening 14° · rain 30.75 mm · humidity 77% · wind 2 m/s · clouds 89%
Wednesday16 September 2026
🌧️15°moderate rain
sunrise 07:11 · sunset 19:44 · night 10° · evening 11° · rain 4.08 mm · humidity 66% · wind 5 m/s · clouds 77%
Thursday17 September 2026
🌤️19°a few clouds
sunrise 07:12 · sunset 19:42 · night 10° · evening 12° · humidity 47% · wind 1 m/s · clouds 22%
Friday18 September 2026
☀️21°clear sky
sunrise 07:14 · sunset 19:39 · night 13° · evening 14° · humidity 43% · wind 1 m/s · clouds 7%
Saturday19 September 2026
🌧️22°light rain
sunrise 07:15 · sunset 19:37 · night 15° · evening 15° · rain 0.42 mm · humidity 44% · wind 2 m/s · clouds 10%
Sunday20 September 2026
☁️20°overcast clouds
sunrise 07:16 · sunset 19:35 · night 15° · evening 15° · humidity 60% · wind 2 m/s · clouds 100%

UV index in La Chaux-de-Fonds - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTLa Chaux-de-Fonds03681111+5.4UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 35 min5Sat5.096Sun6.095Mon7.096Tue8.091Wed9.094Thu10.094Fri11.095Sat12.091Sun13.093Mon14.095Tue15.095Wed16.092Thu17.090Fri18.091Sat19.090Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in La Chaux-de-Fonds is 5 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

Pollen in La Chaux-de-Fonds - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTLa Chaux-de-FondsHighest pollen today: Ragweed4 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses2211Ragweed4-21nonelowmoderatehighvery highoff season: alder, birch, mugwort, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today ragweed pollen is highest in La Chaux-de-Fonds - about 4 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

La Chaux-de-Fonds weather through the year

La Chaux-de-Fonds - annual climate

Warmest, driest months on average: April, May, June, July.

Upcoming public holidays in Switzerland: Christmas Day — 25 December · New Year's Day — 1 January · Ascension Day — 6 May.

Nearby and related places

BernLausanneGrindelwaldLuganoDavosSt. Gallen

FAQ - La Chaux-de-Fonds weather

What is the weather like in La Chaux-de-Fonds today?
Today it is about 20° during the day and 14° at night, light rain.
How far ahead can I check the forecast for La Chaux-de-Fonds?
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.