Climate almanac

Boise

Idaho, United States · 43.61°, -116.20°

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What is the weather like in Boise in August?

In August, Boise is typically 93°F (34°C) during the day and 64°F (18°C) at night. The month brings about 0.3 in (8 mm) of precipitation in total.

  • Average high93°F (34°C)
  • Average low64°F (18°C)
  • Precipitation0.3 in (8 mm)
  • Clear or mostly clear days24
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)