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Climate almanac

Hillsborough

California, United States · 37.57°, -122.38°

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What is the weather like in Hillsborough in October?

In October, Hillsborough is typically 65°F (18°C) during the day and 56°F (13°C) at night. The month brings about 1.1 in (27 mm) of precipitation in total.

  • Average high65°F (18°C)
  • Average low56°F (13°C)
  • Precipitation1.1 in (27 mm)
  • Clear or mostly clear days16
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)