15-Day Weather Forecast - Bern

15-day weather forecast for Bern: temperatures from 8°C (46°F) to 26°C (79°F). Average daily high 22°C (72°F) over the next 15 days.

Hourly Forecast by Day

Today·10 Sep
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Temperature · peaks at +16°C

15-Day Temperature Trend

16°9°TodaySep20°8°Tmrw22°8°Sat24°9°Sun25°13°Mon26°10°Tue21°12°Wed18°11°Thu22°11°Fri23°9°Sat25°12°Sun21°11°Mon23°8°Tue25°14°Wed17°14°Thu
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Thu, Sep 10Today
    +16°/+9°
    feels +16°13 km/hUV 4 · Mod
    07:0119:52
  • Fri, Sep 11Tomorrow
    +20°/+8°
    feels +19°6 km/hUV 5 · Mod
    07:0219:50
  • Sat, Sep 12Sat
    +22°/+8°
    feels +21°8 km/hUV 5 · Mod
    07:0319:48
  • Sun, Sep 13Sun
    +24°/+9°
    feels +24°0 mm · 14%6 km/hUV 5 · Mod
    07:0519:46
  • Mon, Sep 14Mon
    +25°/+13°
    feels +25°0.1 mm · 18%7 km/hUV 5 · Mod
    07:0619:44
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  • Tue, Sep 15Tue
    +26°/+10°
    feels +26°0 mm · 3%10 km/hUV 5 · Mod
    07:0719:42
  • Wed, Sep 16Wed
    +21°/+12°
    feels +21°4.5 mm · 23%11 km/hUV 1 · Low
    07:0919:40
  • Thu, Sep 17Thu
    +18°/+11°
    feels +15°0 mm · 6%15 km/hUV 5 · Mod
    07:1019:38
  • Fri, Sep 18Fri
    +22°/+11°
    feels +19°0 mm · 29%15 km/hUV 4 · Mod
    07:1119:36
  • Sat, Sep 19Sat
    +23°/+9°
    feels +23°0 mm · 23%4 km/hUV 4 · Mod
    07:1219:34
  • Sun, Sep 20Sun
    +25°/+12°
    feels +23°0 mm · 17%12 km/hUV 5 · Mod
    07:1419:32
  • Mon, Sep 21Mon
    +21°/+11°
    feels +19°0 mm · 18%15 km/hUV 5 · Mod
    07:1519:30
  • Tue, Sep 22Tue
    +23°/+8°
    feels +22°0 mm · 27%8 km/hUV 4 · Mod
    07:1619:28
  • Wed, Sep 23Wed
    +25°/+14°
    feels +20°0 mm · 29%26 km/hUV 4 · Mod
    07:1819:26
  • Thu, Sep 24Thu
    +17°/+14°
    feels +14°1.5 mm · 24%22 km/hUV 4 · Mod
    07:1919:24

Weather Insight

Bern's 15-day outlook ranges from a low of 8°C to a high of 26°C, with an average daytime high near 22°C. That's 3° above the long-term average high of 19°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 36), with no notable outdoor health concerns.

Today vs Normal

16°C-3° below normal

The long-term average high for today is 19°C.

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

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-19: 29°C29°2026-08-20: 25°C25°2026-08-21: 18°C18°2026-08-22: 19°C19°2026-08-23: 22°C22°2026-08-24: 24°C24°2026-08-25: 24°C24°2026-08-26: 26°C26°2026-08-27: 29°C29°2026-08-28: 21°C21°2026-08-29: 22°C22°2026-08-30: 25°C25°

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 Bern

Over the next 15 days, Bern is forecast to see temperatures ranging from 7°C to 26°C, averaging a daily high of 22°C. The extended outlook indicates occasional showers on 3 days, with 6.1 mm total accumulation. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.