Weather forecast for 10 daysMount Rainier National Park, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 37°F
- 25°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 115°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:29 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Today, on Sunday, October 18, sunshine will take center stage, with just faint traces of clouds.
The temperature is expected to vary between a cold 37.4°F and a freezing 24.8°F.
Conditions will lean colder, as the high of 37.4°F is more representative of November's climate.
Sunrise will be at 7:29 am and sunset at 6:14 pm; the daylight will last for 10h and 45min.
The temperature is expected to vary between a cold 37.4°F and a freezing 24.8°F.
Conditions will lean colder, as the high of 37.4°F is more representative of November's climate.
Sunrise will be at 7:29 am and sunset at 6:14 pm; the daylight will last for 10h and 45min.
10-day overview
Daily temperatures
Warmest day: Wednesday 45°C.
Coldest period: Friday - Saturday 25°C.
Coldest period: Friday - Saturday 25°C.
Chance of precipitation
Highest chance: Sunday 25.10. 44%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 37°F
- 25°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 115°
- Humidity: 36%
- UV index: 3
- Sunrise: 7:29 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 34°F
- 23°F
AM Fog / PM Clouds
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 1mphESE 104°
- Humidity: 66%
- UV index: 2
- Sunrise: 7:31 am PDT
- Sunset: 6:12 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphESE 106°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:32 am PDT
- Sunset: 6:10 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 45°F
- 27°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 210°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 34°F
- 16°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphW 262°
- Humidity: 69%
- UV index: 2
- Sunrise: 7:35 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 25°F
- 14°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0.04"
- Wind: 5mphW 274°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 25°F
- 16°F
Snow Showers
- Precip. probability: 36%
- Precipitation: 0.51"
- Wind: 4mphSSE 148°
- Humidity: 77%
- UV index: 2
- Sunrise: 7:38 am PDT
- Sunset: 6:03 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 27°F
- 18°F
Snow Showers
- Precip. probability: 44%
- Precipitation: 0.24"
- Wind: 5mphS 182°
- Humidity: 81%
- UV index: 2
- Sunrise: 7:39 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 27°F
- 16°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 2mphWSW 237°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:41 am PDT
- Sunset: 6:00 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 27°F
- 16°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 4mphWSW 245°
- Humidity: 82%
- UV index: 2
- Sunrise: 7:42 am PDT
- Sunset: 5:58 pm PDT
- details ▼
An unsettled pattern is expected over the next ten days, and a mix of cloud-filled, bright, wintry and low-visibility weather is expected.
With a probability of 17%, rainfall is anticipated only on Friday. The precipitation will be moderate at 0.51".
Snow is expected on Saturday and next Sunday. With intense precipitation of 0.51", most snowfall is expected on Saturday.
Significant changes in temperature are expected over the next several days. The maximum temperature will vary between 24.8°F and 44.6°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 14°F up to 26.6°F.
With the highest temperature of 44.6°F, Wednesday will be the warmest day; Friday and Saturday, with the highest temperature of 24.8°F, will be the coldest days in Mount Rainier National Park.
With a probability of 17%, rainfall is anticipated only on Friday. The precipitation will be moderate at 0.51".
Snow is expected on Saturday and next Sunday. With intense precipitation of 0.51", most snowfall is expected on Saturday.
Significant changes in temperature are expected over the next several days. The maximum temperature will vary between 24.8°F and 44.6°F, while the difference in minimum temperatures will be also substantial, as temperatures overnight will fluctuate from 14°F up to 26.6°F.
With the highest temperature of 44.6°F, Wednesday will be the warmest day; Friday and Saturday, with the highest temperature of 24.8°F, will be the coldest days in Mount Rainier National Park.
Updated: Oct 18, 2026 @ 12:08:40 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Today, mostly sunny skies are expected.
Today, the maximum temperature will be 37.4°F, while the minimum temperature will be 24.8°F.
Today, the maximum temperature will be significantly lower than the average highest temperature of 47.8°F in October. The lowest temperature today will be relatively lower than the average low temperature.
Today, the maximum temperature will be significantly lower than the average highest temperature of 47.8°F in October. The lowest temperature today will be relatively lower than the average low temperature.
On Sunday, in Mount Rainier National Park, sunrise will be at 7:29 am and sunset at 6:14 pm (PDT).
In Mount Rainier National Park, the length of the day today will be 10h and 45min.
