Twin Falls Weather in October

What's the weather like in Twin Falls (Idaho) in October 2025?

The climate in Twin Falls during October can be summarized as mild and dry.

October is in the fall / autumn in Twin Falls and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 2°C (35°F) is normal.

Twin Falls weather averages (imperial / metric)
Daytime temperature 18.2°C 64.7°F
Nightly temperature 1.9°C 35.3°F
Average temperature 10°C 50°F
Daily sunshine 8.6 hrs
Avg rainfall 18 mm 0.7 ins
Rainy days 5 days
Sea temperature 13.7°C 56.6°F
Humidity 54%
Windspeed 14kph 9 mph

On average October is the 4th driest month of the year in Twin Falls with around 18mm 0.7 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 8.6 hours of sunshine per day.

October temperatures in Twin Falls

Twin Falls average temperature in October

October rainfall

Twin Falls average rain in October

October hourly sunshine

Twin Falls 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 Twin Falls 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

Twin Falls weather stats

Twin Falls weather statistics
Hottest month: July 31.6°C 88.9°F
Driest month: July 8mm 0.3ins
Sunniest month: July 13.6hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: January 30mm 1.2ins
Map showing location of Twin Falls (42.56297, -114.46087) Twin Falls map pin © Google

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