15-Day Weather Forecast - Milwaukee

15-day weather forecast for Milwaukee: temperatures from 11°C (52°F) to 28°C (82°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 +24°C

15-Day Temperature Trend

24°15°TodaySep28°16°Tmrw21°13°Sun19°12°Mon22°15°Tue19°17°Wed22°17°Thu23°15°Fri18°12°Sat19°16°Sun18°16°Mon19°15°Tue25°14°Wed18°13°Thu15°11°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +24°/+15°
    feels +24°22 km/hUV 6 · Mod
    06:2719:08
  • Sat, Sep 12Tomorrow
    +28°/+16°
    feels +30°0 mm · 5%23 km/hUV 6 · Mod
    06:2819:06
  • Sun, Sep 13Sun
    +21°/+13°
    feels +18°0.7 mm · 17%26 km/hUV 5 · Mod
    06:2919:04
  • Mon, Sep 14Mon
    +19°/+12°
    feels +16°0 mm · 16%30 km/hUV 5 · Mod
    06:3019:03
  • Tue, Sep 15Tue
    +22°/+15°
    feels +24°12.5 mm · 48%32 km/hUV 3 · Mod
    06:3119:01
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  • Wed, Sep 16Wed
    +19°/+17°
    feels +21°9.9 mm · 45%30 km/hUV 1 · Low
    06:3218:59
  • Thu, Sep 17Thu
    +22°/+17°
    feels +24°23.7 mm · 40%22 km/hUV 2 · Low
    06:3318:57
  • Fri, Sep 18Fri
    +23°/+15°
    feels +25°4.5 mm · 21%24 km/hUV 1 · Low
    06:3418:56
  • Sat, Sep 19Sat
    +18°/+12°
    feels +17°0 mm · 15%24 km/hUV 5 · Mod
    06:3518:54
  • Sun, Sep 20Sun
    +19°/+16°
    feels +18°0 mm · 11%17 km/hUV 5 · Mod
    06:3618:52
  • Mon, Sep 21Mon
    +18°/+16°
    feels +17°0 mm · 12%17 km/hUV 5 · Mod
    06:3818:50
  • Tue, Sep 22Tue
    +19°/+15°
    feels +18°0 mm · 13%12 km/hUV 5 · Mod
    06:3918:48
  • Wed, Sep 23Wed
    +25°/+14°
    feels +24°0 mm · 19%22 km/hUV 5 · Mod
    06:4018:47
  • Thu, Sep 24Thu
    +18°/+13°
    feels +19°0 mm · 14%26 km/hUV 2 · Low
    06:4118:45
  • Fri, Sep 25Fri
    +15°/+11°
    feels +13°0 mm · 19%22 km/hUV 4 · Mod
    06:4218:43

Weather Insight

Milwaukee's 15-day outlook ranges from a low of 11°C to a high of 28°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 good (AQI 30), with no notable outdoor health concerns.

Today vs Normal

24°C0° below normal

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

15 of the last 28 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.

2026-08-28: 28°C28°2026-08-29: 24°C24°2026-08-30: 26°C26°2026-08-31: 30°C30°2026-09-01: 31°C31°2026-09-02: 32°C32°2026-09-03: 31°C31°2026-09-04: 29°C29°2026-09-05: 24°C24°2026-09-06: 25°C25°2026-09-07: 26°C26°2026-09-08: 26°C26°

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 Milwaukee

Over the next 15 days, Milwaukee is forecast to see temperatures ranging from 11°C to 29°C, averaging a daily high of 21°C. The extended outlook indicates significant rainfall totalling 51.3 mm spread across 5 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.