15-Day Weather Forecast - Madison

15-day weather forecast for Madison: temperatures from 5°C (41°F) to 27°C (81°F). Average daily high 21°C (70°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +26°C

15-Day Temperature Trend

26°13°TodaySep27°16°Tmrw20°10°Sun21°7°Mon22°14°Tue18°14°Wed25°15°Thu20°13°Fri20°8°Sat21°9°Sun21°8°Mon22°9°Tue24°12°Wed17°11°Thu18°5°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +26°/+13°
    feels +25°18 km/hUV 6 · Mod
    06:3219:14
  • Sat, Sep 12Tomorrow
    +27°/+16°
    feels +27°0 mm · 5%19 km/hUV 6 · Mod
    06:3419:12
  • Sun, Sep 13Sun
    +20°/+10°
    feels +16°0.3 mm · 20%26 km/hUV 4 · Mod
    06:3519:10
  • Mon, Sep 14Mon
    +21°/+7°
    feels +17°0.4 mm · 40%26 km/hUV 5 · Mod
    06:3619:09
  • Tue, Sep 15Tue
    +22°/+14°
    feels +25°18.8 mm · 69%22 km/hUV 3 · Mod
    06:3719:07
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  • Wed, Sep 16Wed
    +18°/+14°
    feels +17°10.9 mm · 40%24 km/hUV 1 · Low
    06:3819:05
  • Thu, Sep 17Thu
    +25°/+15°
    feels +28°37.9 mm · 37%22 km/hUV 2 · Low
    06:3919:03
  • Fri, Sep 18Fri
    +20°/+13°
    feels +22°3.7 mm · 23%22 km/hUV 2 · Low
    06:4019:01
  • Sat, Sep 19Sat
    +20°/+8°
    feels +19°0 mm · 18%20 km/hUV 5 · Mod
    06:4119:00
  • Sun, Sep 20Sun
    +21°/+9°
    feels +21°0 mm · 14%10 km/hUV 5 · Mod
    06:4218:58
  • Mon, Sep 21Mon
    +21°/+8°
    feels +21°0 mm · 9%12 km/hUV 5 · Mod
    06:4318:56
  • Tue, Sep 22Tue
    +22°/+9°
    feels +21°0 mm · 16%12 km/hUV 5 · Mod
    06:4518:54
  • Wed, Sep 23Wed
    +24°/+12°
    feels +23°0.3 mm · 19%27 km/hUV 4 · Mod
    06:4618:52
  • Thu, Sep 24Thu
    +17°/+11°
    feels +16°0 mm · 13%22 km/hUV 3 · Mod
    06:4718:51
  • Fri, Sep 25Fri
    +18°/+5°
    feels +18°0 mm · 17%17 km/hUV 5 · Mod
    06:4818:49

Weather Insight

Madison's 15-day outlook ranges from a low of 5°C to a high of 27°C, with an average daytime high near 21°C. That's 3° below the long-term average high of 24°C for this time of year. Air quality is currently Moderate (AQI 57), driven mainly by PM2.5 at 10 μg/m³.

Today vs Normal

26°C+2° above normal

The long-term average high for today is 24°C.

15 of the last 28 days with published data ran above normal.

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

2026-08-28: 27°C27°2026-08-29: 23°C23°2026-08-30: 24°C24°2026-08-31: 29°C29°2026-09-01: 31°C31°2026-09-02: 31°C31°2026-09-03: 30°C30°2026-09-04: 30°C30°2026-09-05: 27°C27°2026-09-06: 27°C27°2026-09-07: 26°C26°2026-09-08: 24°C24°

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

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Extended Outlook for Madison

Over the next 15 days, Madison is forecast to see temperatures ranging from 4°C to 27°C, averaging a daily high of 21°C. The extended outlook indicates significant rainfall totalling 72.3 mm spread across 7 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.