Mountain Home Weather in October

What's the weather like in Mountain Home (Idaho) in October 2025?

The climate in Mountain Home during October can be summarized as cool and dry.

October is in the fall / autumn in Mountain Home and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (66°F), whilst at night 1°C (34°F) is normal.

Mountain Home weather averages (imperial / metric)
Daytime temperature 18.7°C 65.6°F
Nightly temperature 1°C 33.7°F
Average temperature 9.8°C 49.6°F
Daily sunshine 8.5 hrs
Avg rainfall 14 mm 0.5 ins
Rainy days 5 days
Sea temperature 13.1°C 55.7°F
Humidity 54%
Windspeed 13.3kph 8 mph

On average October is the 4th driest month of the year in Mountain Home with around 14mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

October temperatures in Mountain Home

Mountain Home average temperature in October

October rainfall

Mountain Home average rain in October

October hourly sunshine

Mountain Home average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mountain Home in October 2025.

Other monthly averages

Best places to visit in October

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mountain Home weather stats

Mountain Home weather statistics
Hottest month: July 32.9°C 91.2°F
Driest month: July 5mm 0.2ins
Sunniest month: July 13.7hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: January 38mm 1.5ins
Map showing location of Mountain Home (43.13295, -115.6912) Mountain Home map pin © Google

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