Boise weather in October 2025

Expect 64°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Boise in October. Check more long-term weather averages for Boise in October before you book your next holiday to Idaho in 2025/2026.

  • 64°F maximum daytime temperature in October in Boise64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 6 days with some rainfall in October in Boise6
    6 days with some rainfall
  • 37°F minimum night-time temperature in October in Boise37
    37°F min night temperature
  • 11 hours of daylight per day in October in Boise11
    11 hours of daylight per day
  • No heat & humidity in October in Boise0
    No heat & humidity
  • 0.7 inches monthly rainfall in October in Boise0.7
    0.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Boise4
    4 (Moderate) UV index

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The October weather guide for Idaho (Boise) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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More about the USA

How hot is it in Boise in October?

Daytime temperatures usually reach 64°F in Boise in October, falling to 37°F at night.

How sunny is it in Boise in October?

There are normally 8 hours of bright sunshine each day in Boise in October - that's 69% of daylight hours.

Does it rain in Boise in October?

There are usually 6 days with some rain in Boise in October and the average monthly rainfall is 0.7 inches.

Boise October sunrise & sunset times

Browse the sunrise and sunset times for Boise in October 2025. Select a month to view Boise sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:43 18:25
Thursday, 16th October 2025 07:01 17:59
Friday, 31st October 2025 07:20 17:37

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