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Weather in Grindelwald - 14-day forecast

Detailed weather forecast for Grindelwald, Switzerland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Grindelwald
today☁️ 21°💧 0.1 mm
Sun🌧️ 22°💧 0.2 mm
Mon🌧️ 20°💧 3.9 mm
Tue🌧️ 22°💧 8 mm
Wed🌧️ 12°💧 10.2 mm
Thu☁️ 15°💧 0.1 mm
Fri🌧️ 18°💧 0.2 mm
Sat🌧️ 17°💧 0.8 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 Grindelwald, the forecast high is 22°C. Typical daytime temperatures at this time of year range from 10°C to 17°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

21°Cexceptionally warm
usually 10°C–17°C
warmer than 98% of similar days
night: exceptionally warm rain: less rain than usual wind: typical
22°Cexceptionally warm
usually 10°C–17°C
warmer than 99% of similar days
night: exceptionally warm rain: less rain than usual wind: lighter than usual
20°Cexceptionally warm
usually 10°C–17°C
warmer than 98% of similar days
night: exceptionally warm rain: more rain than usual wind: typical
22°Cexceptionally warm
usually 10°C–17°C
warmer than 99% of similar days
night: exceptionally warm rain: more rain than usual wind: lighter than usual
12°Cnear normal
usually 10°C–17°C
night: exceptionally warm rain: more rain than usual wind: typical
15°Cnear normal
usually 10°C–17°C
night: warmer than usual rain: less rain than usual wind: typical
18°Cexceptionally warm
usually 10°C–17°C
warmer than 91% of similar days
night: exceptionally warm rain: less rain than usual 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 →
5°15°25° 1981: 14°C1982: 15°C1983: 14°C1984: 7°C1985: 14°C1986: 14°C1987: 14°C1988: 16°C1989: 13°C1990: 12°C1991: 17°C1992: 12°C1993: 10°C1994: 14°C1995: 11°C1996: 10°C1997: 17°C1998: 14°C1999: 16°C2000: 15°C2001: 7°C2002: 13°C2003: 11°C2004: 18°C2005: 14°C2006: 17°C2007: 10°C2008: 16°C2009: 14°C2010: 13°C2011: 16°C2012: 17°C2013: 13°C2014: 14°C2015: 10°C2016: 16°C2017: 13°C2018: 17°C2019: 9°C2020: 16°C2021: 15°C2022: 15°C2023: 21°C2024: 14°C2025: 15°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 14°C by day. The coolest year was 2001 (7°C) and the warmest was 2023 (21°C). The current forecast averages 19°C - higher than in 98% 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 - Grindelwald

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

14-day forecast - Grindelwald

Grindelwald - 14-day weather forecast infographic

Day-by-day forecast for Grindelwald

Saturday5 September 2026
☁️21°overcast clouds
sunrise 06:52 · sunset 20:00 · night 17° · evening 22° · rain 0.14 mm · humidity 63% · wind 3 m/s · clouds 93%
Sunday6 September 2026
🌧️22°light rain
sunrise 06:53 · sunset 19:58 · night 18° · evening 23° · rain 0.16 mm · humidity 54% · wind 2 m/s · clouds 79%
Monday7 September 2026
🌧️20°light rain
sunrise 06:55 · sunset 19:56 · night 15° · evening 18° · rain 3.86 mm · humidity 65% · wind 3 m/s · clouds 68%
Tuesday8 September 2026
🌧️22°moderate rain
sunrise 06:56 · sunset 19:54 · night 15° · evening 14° · rain 8.01 mm · humidity 49% · wind 2 m/s · clouds 86%
Wednesday9 September 2026
🌧️12°moderate rain
sunrise 06:57 · sunset 19:52 · night 9° · evening 10° · rain 10.19 mm · humidity 99% · wind 2 m/s · clouds 100%
Thursday10 September 2026
☁️15°overcast clouds
sunrise 06:59 · sunset 19:50 · night 8° · evening 10° · rain 0.12 mm · humidity 60% · wind 3 m/s · clouds 96%
Friday11 September 2026
🌧️18°light rain
sunrise 07:00 · sunset 19:48 · night 13° · evening 14° · rain 0.18 mm · humidity 44% · wind 2 m/s · clouds 59%
Saturday12 September 2026
🌧️17°light rain
sunrise 07:01 · sunset 19:46 · night 13° · evening 13° · rain 0.78 mm · humidity 68% · wind 3 m/s · clouds 69%
Sunday13 September 2026
🌧️16°light rain
sunrise 07:02 · sunset 19:44 · night 12° · evening 12° · rain 1.62 mm · humidity 82% · wind 2 m/s · clouds 100%
Monday14 September 2026
🌧️21°light rain
sunrise 07:04 · sunset 19:43 · night 14° · evening 15° · rain 1.05 mm · humidity 59% · wind 3 m/s · clouds 64%
Tuesday15 September 2026
🌧️21°light rain
sunrise 07:05 · sunset 19:41 · night 14° · evening 14° · rain 2.76 mm · humidity 59% · wind 4 m/s · clouds 94%
Wednesday16 September 2026
🌧️15°moderate rain
sunrise 07:06 · sunset 19:39 · night 12° · evening 12° · rain 8.07 mm · humidity 89% · wind 2 m/s · clouds 100%
Thursday17 September 2026
🌧️19°light rain
sunrise 07:08 · sunset 19:37 · night 12° · evening 14° · rain 0.12 mm · humidity 64% · wind 2 m/s · clouds 31%
Friday18 September 2026
🌧️20°light rain
sunrise 07:09 · sunset 19:35 · night 13° · evening 14° · rain 0.24 mm · humidity 53% · wind 3 m/s · clouds 15%
Saturday19 September 2026
🌧️21°light rain
sunrise 07:10 · sunset 19:33 · night 14° · evening 15° · rain 0.12 mm · humidity 57% · wind 4 m/s · clouds 49%
Sunday20 September 2026
☁️21°broken clouds
sunrise 07:11 · sunset 19:31 · night 14° · evening 14° · humidity 57% · wind 4 m/s · clouds 78%

UV index in Grindelwald - is it safe to sunbathe?

UV INDEX · 16-DAY FORECASTGrindelwald03681111+5.7UV MODERATEtoday, daily maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.Unprotected fair skin may burn in about 35 min6Sat5.096Sun6.096Mon7.096Tue8.094Wed9.094Thu10.093Fri11.096Sat12.091Sun13.093Mon14.095Tue15.095Wed16.093Thu17.090Fri18.093Sat19.092Sun20.090-2 low3-5 moderate6-7 high8-10 very high11+ extremeworld-prices.com · 2026-09-05
Today the UV index in Grindelwald is 6 (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 Grindelwald - info for allergy sufferers

PLANT POLLEN · 4-DAY FORECASTGrindelwaldHighest pollen today: Grasses2 grains/m³ · low leveltoday5.09tomorrow6.09Mon7.09Tue8.09Grasses2332Mugwort-1--Ragweed2---nonelowmoderatehighvery highoff season: alder, birch, olive · values in grains/m³ (daily peak)pogodapodroze.pl · 2026-09-05
Today grasses pollen is highest in Grindelwald - about 2 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.
Upcoming public holidays in Switzerland: Christmas Day — 25 December · New Year's Day — 1 January · Ascension Day — 6 May.

Nearby and related places

BernZermattLa Chaux-de-FondsDavosLausanneLuganoZurich

FAQ - Grindelwald weather

What is the weather like in Grindelwald today?
Today it is about 21° during the day and 17° at night, overcast clouds.
How far ahead can I check the forecast for Grindelwald?
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.