Lewiston Weather in October

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

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

October is in the fall / autumn in Lewiston and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 4°C (40°F) is normal.

Lewiston weather averages (imperial / metric)
Daytime temperature 17.1°C 62.7°F
Nightly temperature 4.2°C 39.5°F
Average temperature 10.6°C 51.1°F
Daily sunshine 7 hrs
Avg rainfall 29 mm 1.1 ins
Rainy days 7 days
Sea temperature 11.6°C 53°F
Humidity 64%
Windspeed 12.2kph 8 mph

On average October is the 4th driest month of the year in Lewiston with around 29mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

October temperatures in Lewiston

Lewiston average temperature in October

October rainfall

Lewiston average rain in October

October hourly sunshine

Lewiston 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 Lewiston 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

Lewiston weather stats

Lewiston weather statistics
Hottest month: July 30.5°C 86.9°F
Driest month: July 17mm 0.7ins
Sunniest month: July 14.5hrs
Coldest month: January 3.4°C 38.1°F
Wettest month: January 41mm 1.6ins
Map showing location of Lewiston (46.41655, -117.01766) Lewiston map pin © Google

Locations nearby

Top United States locations