Tomorrow's Weather Forecast - Cali

Tomorrow's weather in Cali. high 30°C (86°F), low 21°C (70°F). Rain Showers.

Tomorrow’s Outlook

Tomorrow will be 4°C warmer than today. Expect heavy rain in the afternoon and evening, with rain chances climbing as high as 98%. That risk lines up with humidity averaging 78% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 78%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 6 km/h. Sunrise is at 5:58 AM and sunset at 6:06 PM, for about 12h 8m of daylight.

Tomorrow
30°/ 21°
Today26° / 20°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon24°
Rain probability
18%
Wind speed
3 km/h
AfternoonNoon – 6 PM29°
Rain probability
64%
Wind speed
4 km/h
Evening6 PM – Midn22°
Rain probability
98%
Wind speed
6 km/h
NightMidn – 6 AM21°
Rain probability
36%
Wind speed
2 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +30°C

Planning Advice for Tomorrow

Clothing
Waterproof jacket and umbrella strongly recommended.
Outdoor
Not ideal for outdoor plans or car washes — heavy rain expected.
Travel
Expect traffic slowdowns from wet roads. Allow extra time.

Sunrise & Sunset

Sunrise
Dawn 5:28 AM
Total Daylight
Full day forecastSolar noon 12:02 PM
Sunset
Dusk 6:36 PM
vs today-1 min daylight
Sunrise shiftSame time
Sunset shiftSame time

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Cali is forecast to reach a high of 30°C tomorrow, with an overnight low around 21°C. That's 8° above the long-term average high of 22°C for this time of year. It continues a recent pattern — 20 of the last 28 days with published data have run warmer than normal. Expect a high chance of rain (98% probability) and light winds averaging 6 km/h. Air quality is currently good (AQI 22), with no notable outdoor health concerns.

Today vs Normal

26°C+4° above normal

The long-term average high for today is 22°C.

20 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: 23°C23°2026-08-29: 22°C22°2026-08-30: 22°C22°2026-08-31: 23°C23°2026-09-01: 23°C23°2026-09-02: 22°C22°2026-09-03: 23°C23°2026-09-04: 23°C23°2026-09-05: 23°C23°2026-09-06: 22°C22°2026-09-07: 23°C23°2026-09-08: 23°C23°

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.