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Climate almanac

Rancho Cucamonga

California, United States · 34.11°, -117.59°

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What is the weather like in Rancho Cucamonga in October?

In October, Rancho Cucamonga is typically 83°F (28°C) during the day and 57°F (14°C) at night. The month brings about 0.7 in (18 mm) of precipitation in total.

  • Average high83°F (28°C)
  • Average low57°F (14°C)
  • Precipitation0.7 in (18 mm)
  • Clear or mostly clear days22
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)