15-Day Weather Forecast - Cancún

15-day weather forecast for Cancún: temperatures from 24°C (75°F) to 33°C (91°F). Average daily high 31°C (88°F) over the next 15 days.

Hourly Forecast by Day

Today·11 Sep
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Temperature · peaks at +33°C

15-Day Temperature Trend

33°24°TodaySep32°25°Tmrw32°25°Sun31°26°Mon32°26°Tue31°26°Wed31°24°Thu30°25°Fri30°25°Sat28°26°Sun28°26°Mon30°26°Tue31°24°Wed31°25°Thu32°25°Fri
Colour scale for daily high temperature bars

15-Day Weather Forecast

Updated just now
  • Date
    High / Low
  • Fri, Sep 11Today
    +33°/+24°
    feels +40°7.6 mm · 82%14 km/hUV 9 · V.Hi
    06:3318:54
  • Sat, Sep 12Tomorrow
    +32°/+25°
    feels +39°1.0 mm · 57%23 km/hUV 9 · V.Hi
    06:3318:53
  • Sun, Sep 13Sun
    +32°/+25°
    feels +38°3.2 mm · 72%15 km/hUV 9 · V.Hi
    06:3418:52
  • Mon, Sep 14Mon
    +31°/+26°
    feels +38°0.2 mm · 20%15 km/hUV 9 · V.Hi
    06:3418:51
  • Tue, Sep 15Tue
    +32°/+26°
    feels +38°0.3 mm · 47%14 km/hUV 8 · Hi
    06:3418:50
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  • Wed, Sep 16Wed
    +31°/+26°
    feels +39°1.8 mm · 81%13 km/hUV 8 · V.Hi
    06:3418:49
  • Thu, Sep 17Thu
    +31°/+24°
    feels +37°9.0 mm · 86%9 km/hUV 8 · V.Hi
    06:3518:48
  • Fri, Sep 18Fri
    +30°/+25°
    feels +37°1.8 mm · 94%9 km/hUV 7 · Hi
    06:3518:47
  • Sat, Sep 19Sat
    +30°/+25°
    feels +37°7.2 mm · 86%6 km/hUV 7 · Hi
    06:3518:46
  • Sun, Sep 20Sun
    +28°/+26°
    feels +35°7.2 mm · 90%10 km/hUV 8 · Hi
    06:3518:45
  • Mon, Sep 21Mon
    +28°/+26°
    feels +33°1.8 mm · 89%27 km/hUV 8 · V.Hi
    06:3618:44
  • Tue, Sep 22Tue
    +30°/+26°
    feels +36°1.8 mm · 75%15 km/hUV 8 · Hi
    06:3618:43
  • Wed, Sep 23Wed
    +31°/+24°
    feels +37°7.4 mm · 85%12 km/hUV 8 · V.Hi
    06:3618:42
  • Thu, Sep 24Thu
    +31°/+25°
    feels +36°4.0 mm · 91%13 km/hUV 8 · Hi
    06:3618:41
  • Fri, Sep 25Fri
    +32°/+25°
    feels +38°4.7 mm · 71%12 km/hUV 8 · Hi
    06:3718:40

Weather Insight

Cancún's 15-day outlook ranges from a low of 24°C to a high of 33°C, with an average daytime high near 31°C. That's 1° above the long-term average high of 30°C for this time of year. It continues a recent pattern — 28 of the last 28 days with published data have run warmer than normal. Air quality is currently good (AQI 28), with no notable outdoor health concerns.

Today vs Normal

33°C+3° above normal

The long-term average high for today is 30°C.

28 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: 33°C33°2026-08-29: 32°C32°2026-08-30: 32°C32°2026-08-31: 32°C32°2026-09-01: 33°C33°2026-09-02: 32°C32°2026-09-03: 32°C32°2026-09-04: 32°C32°2026-09-05: 32°C32°2026-09-06: 33°C33°2026-09-07: 32°C32°2026-09-08: 33°C33°

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 Cancún

Over the next 15 days, Cancún is forecast to see temperatures ranging from 24°C to 33°C, averaging a daily high of 31°C. The extended outlook indicates significant rainfall totalling 59 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.