Rancho Cucamonga weather — 10-day forecast
Temperature, rain, wind and feels-like in Rancho Cucamonga, hour by hour and over 10 days, with the seasonal normal for context.
Now
Reading from 14:00 · NOAA HRRR model
31 °C
Clear sky
Feels like 21 °C
Next 12 h
↑ 31°16:00↓ 23°02:00
- Humidity
- 16 %
- Dew point
- 2 °C
- Gusts
- 70.8 km/h
- Clouds
- 0 %
- Pressure
- 1,015 hPa ↑
- UV
- 5 · moderate
Grid point 1.1 km away · 3.0 km grid · elevation 437 m
Air quality
The European air-quality index for the city, and the pollutants that set it.
Index set by Ozone
- Ozone
- 69.2µg/m³
- PM2.5
- 3.5µg/m³
- PM10
- 7.2µg/m³
- Nitrogen dioxide
- 2.5µg/m³
- Sulphur dioxide
- 0.4µg/m³
- Carbon monoxide
- 126.0µg/m³
- Dust (AOD)
- 0.01
Generated using Copernicus Atmosphere Monitoring Service information
Hour by hour
Step-by-step detail: temperature, wind, cloud cover and ultraviolet.
10 days
Each day's extremes and the chance of rain, out to the end of the run.
Rain probability (> 1 mm): 50 ECMWF ensemble members.
Today
Mainly clear
31°
25°
Sat
Overcast
31°
19°
Sun
Mainly clear
27°
18°
Mon
Clear sky18 %
26°
17°
Tue
Mainly clear18 %
23°
16°
Wed
Rain28 mm
18°
15°
Thu
Light showers11 mm
18°
13°
Fri
Partly cloudy
18°
12°
Sat
Clear sky
30°
13°
Sun
Overcast
28°
15°
Gusts · Fri 84.8 km/h
Sun and UV
Sunrise, sunset, day length and ultraviolet intensity.
- Sunrise
- 06:57
- Daylight
- 11 h 18
- Sunset
- 18:15
Radiation · 14.7 MJ/m²
Today in Rancho Cucamonga the mean temperature will be 28.9 °C — +10.2 °C against the normal for 16 October, measured from 1940 to 2026. (1,290 obs.)