October weather forecast
North Cascades National Park, WA

October brings with it a tangible shift in weather at North Cascades National Park. The park begins to prepare for winter with a rapid decrease in temperature. Days gradually grow shorter, and less sunshine is experienced throughout the month. Despite these changes, the brilliant autumn colors of the park provide an exquisite visual treat, making it a favorite month for photographers. October also brings more rainfall days than September with the weather becoming increasingly unpredictable.

Temperature

North Cascades National Park experiences a temperature shift at the start of October, with average high-temperatures adjusting from a refreshing 60.8°F (16°C) in September to a fresh 51.8°F (11°C). North Cascades National Park throughout October, experiences an average nighttime temperature of 32°F (0°C).

Rainfall

In North Cascades National Park, in October, it is raining for 13 days, with typically 4.41" (112mm) of accumulated precipitation. In North Cascades National Park, during the entire year, the rain falls for 157 days and collects up to 51.02" (1296mm) of precipitation.

Daylight

The average length of the day in October is 10h and 47min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:43 pm. On the last day of October, sunrise is at 7:51 am and sunset at 5:45 pm PDT.

Sunshine

The average sunshine in October in North Cascades National Park is 5h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.