Tomorrow's Weather Forecast - Cancún

Tomorrow's weather in Cancún. high 32°C (90°F), low 25°C (77°F). Drizzle.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Showers are likely in the afternoon, with rain probability peaking near 57%. That risk lines up with humidity averaging 81% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 81%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 23 km/h is expected. Sunrise is at 6:33 AM and sunset at 6:53 PM, for about 12h 19m of daylight.

Tomorrow
32°/ 25°
Today33° / 24°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon29°
Rain probability
25%
Wind speed
13 km/h
AfternoonNoon – 6 PM32°
Rain probability
57%
Wind speed
14 km/h
Evening6 PM – Midn28°
Rain probability
38%
Wind speed
23 km/h
NightMidn – 6 AM25°
Rain probability
0%
Wind speed
9 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +32°C

Planning Advice for Tomorrow

Clothing
Light waterproof jacket with an umbrella is a smart choice.
Outdoor
Outdoor plans may need flexibility; showers are likely.
Travel
Wet roads may slow traffic; allow a little extra time.

Sunrise & Sunset

Sunrise
Dawn 6:03 AM
Total Daylight
Full day forecastSolar noon 12:43 PM
Sunset
Dusk 7:23 PM
vs today-1 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Cancún is forecast to reach a high of 32°C tomorrow, with an overnight low around 25°C. That's 2° 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. Expect a fair chance of rain (57% probability) and moderate breezes averaging 23 km/h. 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.