10-Day Weather Forecast for Rancho Cucamonga (CA)

Six-hourly outlook through Tuesday 15 September. Updated every three hours via MET Norway.

Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Sunday
6 Sep
Heavy rain
20°C (68°F)
13 mm (0.5 in)
Heavy rain
21°C (70°F)
8.5 mm (0.3 in)
Partly cloudy
24°C (75°F)
0.4 mm (0.02 in)
Hourly ›
Monday
7 Sep
Partly cloudy
23°C (73°F)
0.1 mm (0 in)
Partly cloudy
23°C (73°F)
0.1 mm (0 in)
Mostly sunny
26°C (79°F)
0.1 mm (0 in)
Mostly clear
29°C (84°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Partly cloudy
24°C (75°F)
0 mm (0 in)
Partly cloudy
24°C (75°F)
0 mm (0 in)
Mostly sunny
29°C (84°F)
0 mm (0 in)
Partly cloudy
31°C (88°F)
0 mm (0 in)
Hourly ›
Wednesday
9 Sep
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
26°C (79°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Clear skies
35°C (95°F)
0 mm (0 in)
Hourly ›
Thursday
10 Sep
Clear skies
29°C (84°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
34°C (93°F)
0 mm (0 in)
Clear skies
35°C (95°F)
0 mm (0 in)
Hourly ›
Friday
11 Sep
Clear skies
29°C (84°F)
0 mm (0 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Hourly ›
Saturday
12 Sep
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
28°C (82°F)
0 mm (0 in)
Clear skies
28°C (82°F)
0 mm (0 in)
Hourly ›
Sunday
13 Sep
Partly cloudy
20°C (68°F)
0.4 mm (0.02 in)
Cloudy
19°C (66°F)
0 mm (0 in)
Mostly sunny
22°C (72°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Hourly ›
Monday
14 Sep
Mostly clear
20°C (68°F)
0 mm (0 in)
Clear skies
18°C (64°F)
0 mm (0 in)
Clear skies
25°C (77°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Tuesday
15 Sep
Clear skies
21°C (70°F)
0 mm (0 in)
Clear skies
20°C (68°F)
0 mm (0 in)
Clear skies
28°C (82°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Rancho Cucamonga this week?

Today's weather - Sunday 6 Sep

For Sunday the predicted weather in Rancho Cucamonga is heavy rain during the morning and afternoon. The maximum temperature is a warm 24°C (75°F), while the minimum temperature is a pleasant 20°C (68°F).

Tomorrow's weather - Monday 7 Sep

On Monday, Rancho Cucamonga will be mostly sunny with some rain. High temperatures will reach a warm 29°C (84°F), with lows dropping to around 23°C (73°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Rancho Cucamonga will reach 35°C (95°F) on Wednesday before declining again. Daytime highs during this period will average around 30°C (86°F), with nighttime lows around 23°C (73°F). Compared to typical September conditions, these temperatures are a bit cooler than usual. The following 10 days will bring plenty of sunshine. Rainfall is expected to be much more than usual (compared to typical September conditions). The forecast shows mostly dry conditions. Precipitation is likely on about 1 day (Sun). Wind conditions will be generally calm.

Weather Forecast FAQ for Rancho Cucamonga

When will be the warmest day next week?

The warmest day is expected to be Wednesday with a high of 35°C (95°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of 19°C (66°F).

Will it rain next week in Rancho Cucamonga?

Yes, rain is expected on 1 day , specifically on Sun.

How much rainfall is expected next week?

A total of 23 mm (0.9 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 19°C (66°F) to 35°C (95°F).

More about Rancho Cucamonga

Explore the full Rancho Cucamonga climate overview with monthly averages, or check rainfall data and temperature by month.

Rancho Cucamonga weather by month

Browse monthly averages for Rancho Cucamonga: climate by month with temperature, rainfall and sunshine.

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