Rancho Cucamonga Weather in October

October in Rancho Cucamonga averages 28°C (82°F) during the day and 14°C (57°F) at night. With only 12 mm (0.5 in) of rainfall expected on average, it's a largely dry month.

Rainfall in Rancho Cucamonga in October

You can expect rain on roughly 3 days based on historical data, averaging 12 mm (0.5 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Rancho Cucamonga in October

Rancho Cucamonga has excellent weather in October, with days reaching 28°C (82°F) and nights cooling to 14°C (57°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Rancho Cucamonga in October

Expect a lot of sunshine this month, with about 252 hours of sun. These sunny conditions add to the overall experience.

So this is a great month to visit if you prefer dry days with pleasant temperatures.