15-Day Weather Forecast - Kansas City

15-day weather forecast for Kansas City: temperatures from 13°C (55°F) to 33°C (91°F). Average daily high 26°C (79°F) over the next 15 days.

Hourly Forecast by Day

Today·12 Sep
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Temperature · peaks at +27°C

15-Day Temperature Trend

27°20°TodaySep30°19°Tmrw33°17°Mon32°21°Tue28°17°Wed28°20°Thu24°19°Fri28°18°Sat20°15°Sun18°14°Mon23°13°Tue24°14°Wed27°17°Thu22°17°Fri27°17°Sat
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Sat, Sep 12Today
    +27°/+20°
    feels +31°Rain 22.5mm · 50%19 km/hUV 7 · Hi
    06:5719:31
  • Sun, Sep 13Tomorrow
    +30°/+19°
    feels +33°Rain 0.4mm · 29%22 km/hUV 6 · Hi
    06:5719:29
  • Mon, Sep 14Mon
    +33°/+17°
    feels +35°Rain 6.6mm · 26%24 km/hUV 7 · Hi
    06:5819:28
  • Tue, Sep 15Tue
    +32°/+21°
    feels +36°Rain 12.9mm · 61%26 km/hUV 6 · Hi
    06:5919:26
  • Wed, Sep 16Wed
    +28°/+17°
    feels +33°Rain 7.9mm · 58%17 km/hUV 6 · Hi
    07:0019:24
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  • Thu, Sep 17Thu
    +28°/+20°
    feels +31°Rain 4.0mm · 51%15 km/hUV 6 · Mod
    07:0119:23
  • Fri, Sep 18Fri
    +24°/+19°
    feels +26°Rain 7.7mm · 27%16 km/hUV 3 · Low
    07:0219:21
  • Sat, Sep 19Sat
    +28°/+18°
    feels +33°Rain 7.0mm · 33%14 km/hUV 5 · Mod
    07:0319:20
  • Sun, Sep 20Sun
    +20°/+15°
    feels +22°Rain 5.9mm · 15%12 km/hUV 1 · Low
    07:0419:18
  • Mon, Sep 21Mon
    +18°/+14°
    feels +18°0 mm · 11%9 km/hUV 2 · Low
    07:0519:16
  • Tue, Sep 22Tue
    +23°/+13°
    feels +23°0 mm · 13%10 km/hUV 6 · Mod
    07:0619:15
  • Wed, Sep 23Wed
    +24°/+14°
    feels +24°0 mm · 18%16 km/hUV 5 · Mod
    07:0719:13
  • Thu, Sep 24Thu
    +27°/+17°
    feels +26°Rain 5.4mm · 17%29 km/hUV 4 · Mod
    07:0719:12
  • Fri, Sep 25Fri
    +22°/+17°
    feels +20°Rain 19.5mm · 13%29 km/hUV 1 · Low
    07:0819:10
  • Sat, Sep 26Sat
    +27°/+17°
    feels +27°Rain 6.3mm · 11%18 km/hUV 6 · Mod
    07:0919:08

Weather Insight

Kansas City's 15-day outlook ranges from a low of 13°C to a high of 33°C, with an average daytime high near 26°C. That's 1° below the long-term average high of 27°C for this time of year. Air quality is currently Moderate (AQI 51), driven mainly by PM2.5 at 8.3 μg/m³.

Today vs Normal

27°C0° below normal

The long-term average high for today is 27°C.

19 of the last 30 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.

2026-08-31: 37°C37°2026-09-01: 37°C37°2026-09-02: 37°C37°2026-09-03: 36°C36°2026-09-04: 36°C36°2026-09-05: 37°C37°2026-09-06: 37°C37°2026-09-07: 33°C33°2026-09-08: 38°C38°2026-09-09: 30°C30°2026-09-10: 28°C28°2026-09-11: 30°C30°

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 Kansas City

Over the next 15 days, Kansas City is forecast to see temperatures ranging from 13°C to 33°C, averaging a daily high of 26°C. The extended outlook indicates significant rainfall totalling 106.1 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.