Weather in Rancho Cucamonga, California

Saturday 7 November 2026 | 07:56

23°

Clear sky

Feels like 18°

High
27°
Low
15°
Humidity
17%
Wind
19 km/h

Hourly forecast

Details
  1. NowClear sky17°
  2. 08:00Clear sky21°
  3. 09:00Clear sky24°
  4. 10:00Clear sky26°
  5. 11:00Clear sky27°
  6. 12:00Clear sky28°
  7. 13:00Clear sky28°
  8. 14:00Clear sky29°

7-day forecast

14 days

Sun & moon

Sunrise
06:14
Sunset
16:53
Moon phase
Waning crescent

Rancho Cucamonga rain radar

● Live Radar not available right now

Weather maps

All maps

More information

UV index
5
Moderate
Pressure
1015 hPa
Visibility
> 10 km
Dew point
-3°

Rancho Cucamonga: the next 12 hours at a glance

  • No rain expected in the next 12 hours.
  • Up to 29° around 14:00.
  • Best time to go out: around 10:00 (26°).

Temperature and rain / Rancho Cucamonga

The coming days

High

29°

Low

14°

Average high

26.0°

Average low

17.3°

Total rain

3.9 mm

Average rain

0.3 mm

Air quality - Rancho Cucamonga

Particles and ozone

Good
2.80 µg/m³
0-1212-3535-5555+

The air is clean: enjoy the outdoors.

PM103.20µg/m³
Ozone80µg/m³
Data updated hourly

Frequently asked questions

Quick answers about the weather in Rancho Cucamonga

Tomorrow in Rancho Cucamonga, expect Clear sky ☀️, with:\n\n- High of 29°\n- Low of 17°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-07