15-Day Weather Forecast - Lausanne

15-day weather forecast for Lausanne: temperatures from 11°C (52°F) to 26°C (79°F). Average daily high 23°C (73°F) over the next 15 days.

Hourly Forecast by Day

Today·10 Sep
··
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00

Temperature · peaks at +19°C

15-Day Temperature Trend

19°13°TodaySep22°14°Tmrw24°15°Sat25°18°Sun26°19°Mon26°19°Tue22°19°Wed20°17°Thu22°11°Fri24°12°Sat25°13°Sun23°14°Mon23°12°Tue24°17°Wed17°15°Thu
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Thu, Sep 10Today
    +19°/+13°
    feels +17°23 km/hUV 5 · Mod
    07:0419:55
  • Fri, Sep 11Tomorrow
    +22°/+14°
    feels +22°13 km/hUV 5 · Mod
    07:0619:53
  • Sat, Sep 12Sat
    +24°/+15°
    feels +24°11 km/hUV 5 · Mod
    07:0719:51
  • Sun, Sep 13Sun
    +25°/+18°
    feels +25°0 mm · 3%10 km/hUV 4 · Mod
    07:0819:49
  • Mon, Sep 14Mon
    +26°/+19°
    feels +26°13 km/hUV 5 · Mod
    07:0919:47
    Advertisement
  • Tue, Sep 15Tue
    +26°/+19°
    feels +26°0 mm · 1%10 km/hUV 5 · Mod
    07:1119:45
  • Wed, Sep 16Wed
    +22°/+19°
    feels +24°1.5 mm · 45%8 km/hUV 1 · Low
    07:1219:43
  • Thu, Sep 17Thu
    +20°/+17°
    feels +19°0 mm · 10%10 km/hUV 4 · Mod
    07:1319:41
  • Fri, Sep 18Fri
    +22°/+11°
    feels +20°0 mm · 25%15 km/hUV 4 · Mod
    07:1419:39
  • Sat, Sep 19Sat
    +24°/+12°
    feels +24°0 mm · 24%13 km/hUV 5 · Mod
    07:1619:37
  • Sun, Sep 20Sun
    +25°/+13°
    feels +24°0 mm · 24%17 km/hUV 5 · Mod
    07:1719:35
  • Mon, Sep 21Mon
    +23°/+14°
    feels +20°0 mm · 22%19 km/hUV 5 · Mod
    07:1819:33
  • Tue, Sep 22Tue
    +23°/+12°
    feels +23°0 mm · 29%14 km/hUV 5 · Mod
    07:2019:31
  • Wed, Sep 23Wed
    +24°/+17°
    feels +20°0 mm · 25%26 km/hUV 5 · Mod
    07:2119:29
  • Thu, Sep 24Thu
    +17°/+15°
    feels +15°0.6 mm · 22%25 km/hUV 5 · Mod
    07:2219:27

Weather Insight

Lausanne's 15-day outlook ranges from a low of 11°C to a high of 26°C, with an average daytime high near 23°C. That's 5° above the long-term average high of 18°C for this time of year. It continues a recent pattern — 17 of the last 20 days with published data have run warmer than normal. Air quality is currently good (AQI 37), with no notable outdoor health concerns.

Today vs Normal

19°C+1° above normal

The long-term average high for today is 18°C.

17 of the last 20 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

2026-08-19: 29°C29°2026-08-20: 23°C23°2026-08-21: 16°C16°2026-08-22: 19°C19°2026-08-23: 22°C22°2026-08-24: 25°C25°2026-08-25: 23°C23°2026-08-26: 26°C26°2026-08-27: 29°C29°2026-08-28: 20°C20°2026-08-29: 21°C21°2026-08-30: 24°C24°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Extended Outlook for Lausanne

Over the next 15 days, Lausanne is forecast to see temperatures ranging from 11°C to 27°C, averaging a daily high of 23°C. The extended outlook indicates occasional showers on 2 days, with 2.1 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.