October weather forecast
North Cascades National Park, WA

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YearJFMAMJJASOctoberND
Contents
The lovely Picture Lake reflecting the trees on the shores and the distant Mount Shuksan in the North Cascades National Park, Washington, USA
The lovely Picture Lake reflecting the trees on the shores and the distant Mount Shuksan in the North Cascades National Park, Washington, USA

October

Weather in October

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.
Updated: Aug 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for North Cascades National Park in October?
The average high-temperature, in October, in North Cascades National Park, is 51.8°F (11°C), while the average low-temperature is 32°F (0°C).
How many days does it rain in October?
In North Cascades National Park, in October, it is raining for 13 days, with typically 4.41" (112mm) of accumulated precipitation.
What is the average length of the day in October in North Cascades National Park?
The average day length in October is 10h and 47min.
When is the sunrise / sunset in October?
In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:45 pm PDT.
How many hours of sunshine does North Cascades National Park have in October?
The average sunshine duration in October is 5h.
How high is the UV index in October?
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
61°F
52°F
36°F
Average low temperature
39°F
32°F
25°F
Average rainfall
2.5"
4.4"
7.4"
Average rainfall days
11
13
17
Average daylight
12h 4min
10h 5min
9h 1min
Average sunshine
6h
5h
2h
Average UV index
5
3
1
Average temperature in October - North Cascades National Park, WA
Average temperature in October
North Cascades National Park, WA
  • Average high temperature in October: 52°F

The warmest months (with the highest average high temperature) are July and August (70°F).
The months with the lowest average high temperature are January and December (30°F).

  • Average low temperature in October: 32°F

The months with the highest average low temperature are July and August (45°F).
The coldest months (with the lowest average low temperature) are January and December (18°F).

Average rainfall in October - North Cascades National Park, WA
Average rainfall in October
North Cascades National Park, WA
  • Average rainfall in October: 4.4"

The wettest month (with the highest rainfall) is December (7.8").
The driest months (with the least rainfall) are July and August (1.7").

Average rainfall days in October - North Cascades National Park, WA
Average rainfall days in October
North Cascades National Park, WA
  • Average rainfall days in October: 13 days

The month with the highest number of rainy days is December (18 days).
The month with the least rainy days is July (8 days).

Average daylight in October / Average sunshine in October - North Cascades National Park, WA
Average daylight in October /
Average sunshine in October
North Cascades National Park, WA
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in October: 5h

The month with the most sunshine is July (Average sunshine: 9h).
The months with the least sunshine are January, November and December (Average sunshine: 2h).

Average UV index in October - North Cascades National Park, WA
Average UV index in October
North Cascades National Park, WA
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 1).

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