Detailed weather forecast for Lausanne, Switzerland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Lausanne
today☁️26°💧 1 mm
Sun🌤️27°💧 1.2 mm
Mon🌧️26°💧 0.8 mm
Tue🌧️25°💧 6.3 mm
Wed🌧️19°💧 6.4 mm
Thu☁️21°💧 1.7 mm
Fri🌧️20°💧 1.1 mm
Sat🌧️22°💧 1.6 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 Lausanne, the forecast high is 27°C. Typical daytime temperatures at this time of year range from 15°C to 23°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
26°Cexceptionally warm
usually 15°C–23°C
warmer than 97% of similar days
night: exceptionally warmrain: typical rainfallwind: stronger than usual
From 1981 to 2025, the 5-11 Sept period averaged 19°C by day. The coolest year was 1984 (12°C) and the warmest was 2023 (28°C). The current forecast averages 23°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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Lausanne
No active weather warnings for Lausanne (region: Haute Savoie). The national weather service is not forecasting dangerous conditions.
14-day forecast - Lausanne
Lausanne 30 & 45-day weather - long-range outlook
Next 16 days · forecast
23°
around 19° at night · days with rain: 10
Weeks 3-4 · avg for September
19°
around 8° at night · rain chance 0%
Weeks 5-7 · avg for October
12°
around 4° at night · rain chance 0%
The 30 & 45-day outlook for Lausanne: the next 16 days are a numerical forecast updated daily - on average 23° by day and 19° at night. Further out we rely on multi-year climate averages: around 19° in September, and about 12° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Lausanne
Saturday5 September 2026
☁️26°broken clouds
sunrise 06:58 · sunset 20:06 · night 21° · evening 26° · rain 0.96 mm · humidity 50% · wind 4 m/s · clouds 72%
Sunday6 September 2026
🌤️27°scattered clouds
sunrise 06:59 · sunset 20:04 · night 23° · evening 28° · rain 1.2 mm · humidity 60% · wind 3 m/s · clouds 37%
Monday7 September 2026
🌧️26°light rain
sunrise 07:00 · sunset 20:02 · night 21° · evening 29° · rain 0.84 mm · humidity 53% · wind 3 m/s · clouds 82%
Tuesday8 September 2026
🌧️25°moderate rain
sunrise 07:02 · sunset 20:00 · night 19° · evening 21° · rain 6.34 mm · humidity 57% · wind 5 m/s · clouds 87%
Wednesday9 September 2026
🌧️19°light rain
sunrise 07:03 · sunset 19:58 · night 15° · evening 18° · rain 6.43 mm · humidity 59% · wind 4 m/s · clouds 100%
Thursday10 September 2026
☁️21°broken clouds
sunrise 07:04 · sunset 19:56 · night 16° · evening 19° · rain 1.74 mm · humidity 40% · wind 3 m/s · clouds 74%
Friday11 September 2026
🌧️20°light rain
sunrise 07:06 · sunset 19:54 · night 17° · evening 19° · rain 1.14 mm · humidity 49% · wind 4 m/s · clouds 47%
Saturday12 September 2026
🌧️22°light rain
sunrise 07:07 · sunset 19:52 · night 18° · evening 21° · rain 1.59 mm · humidity 57% · wind 2 m/s · clouds 30%
Sunday13 September 2026
☁️22°overcast clouds
sunrise 07:08 · sunset 19:50 · night 19° · evening 21° · rain 11.58 mm · humidity 52% · wind 6 m/s · clouds 100%
Monday14 September 2026
☁️22°broken clouds
sunrise 07:09 · sunset 19:48 · night 20° · evening 22° · rain 2.19 mm · humidity 59% · wind 4 m/s · clouds 67%
Tuesday15 September 2026
🌧️21°moderate rain
sunrise 07:11 · sunset 19:46 · night 20° · evening 21° · rain 8.85 mm · humidity 72% · wind 2 m/s · clouds 85%
Wednesday16 September 2026
🌧️23°heavy rain
sunrise 07:12 · sunset 19:44 · night 18° · evening 20° · rain 32.34 mm · humidity 55% · wind 5 m/s · clouds 29%
Today the UV index in Lausanne 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 Lausanne - info for allergy sufferers
Today ragweed pollen is highest in Lausanne - about 5 grains/m³, low level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.
Lausanne weather through the year
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.