10-Day Weather Forecast for Mount Rainier National Park (WA)

Six-hourly outlook through Monday 7 September. Updated every three hours via MET Norway.

Day
Night
23:00
Morning
05:00
Afternoon
11:00
Evening
17:00
Saturday
29 Aug
Snow showers
-7°C (19°F)
1.4 mm (0.1 in)
Snow
-7°C (19°F)
1 mm (0.04 in)
Hourly ›
Sunday
30 Aug
Fog
-10°C (14°F)
0 mm (0 in)
Cloudy
-12°C (10°F)
0 mm (0 in)
Mostly sunny
-4°C (25°F)
0 mm (0 in)
Clear skies
-2°C (28°F)
0 mm (0 in)
Hourly ›
Monday
31 Aug
Mostly clear
-5°C (23°F)
0 mm (0 in)
Mostly sunny
-3°C (27°F)
0 mm (0 in)
Partly cloudy
4°C (39°F)
0 mm (0 in)
Partly cloudy
4°C (39°F)
0 mm (0 in)
Hourly ›
Tuesday
1 Sep
Partly cloudy
-1°C (30°F)
0 mm (0 in)
Snow showers
-3°C (27°F)
1.2 mm (0.05 in)
Heavy snow
-3°C (27°F)
5.3 mm (0.2 in)
Heavy snow showers
-5°C (23°F)
6.5 mm (0.3 in)
Hourly ›
Wednesday
2 Sep
Snow
-8°C (18°F)
2.4 mm (0.1 in)
Heavy snow
-8°C (18°F)
9.8 mm (0.4 in)
Heavy snow
-9°C (16°F)
12 mm (0.5 in)
Heavy snow
-8°C (18°F)
6.1 mm (0.2 in)
Hourly ›
Thursday
3 Sep
Cloudy
-9°C (16°F)
0.1 mm (0 in)
Snow
-10°C (14°F)
1.8 mm (0.1 in)
Snow
-7°C (19°F)
2.9 mm (0.1 in)
Snow
-7°C (19°F)
1.1 mm (0.04 in)
Hourly ›
Friday
4 Sep
Partly cloudy
-9°C (16°F)
0 mm (0 in)
Cloudy
-11°C (12°F)
0.1 mm (0 in)
Snow
-7°C (19°F)
2.3 mm (0.1 in)
Cloudy
-7°C (19°F)
0.2 mm (0.01 in)
Hourly ›
Saturday
5 Sep
Partly cloudy
-8°C (18°F)
0 mm (0 in)
Clear skies
-7°C (19°F)
0 mm (0 in)
Clear skies
-1°C (30°F)
0.2 mm (0.01 in)
Mostly clear
0°C (32°F)
0 mm (0 in)
Hourly ›
Sunday
6 Sep
Clear skies
-4°C (25°F)
0 mm (0 in)
Clear skies
-4°C (25°F)
0 mm (0 in)
Clear skies
2°C (36°F)
0 mm (0 in)
Mostly clear
2°C (36°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Clear skies
-4°C (25°F)
0 mm (0 in)
Clear skies
-5°C (23°F)
0 mm (0 in)
Cloudy
-2°C (28°F)
0.5 mm (0.02 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Mount Rainier National Park this week?

Today's weather - Saturday 29 Aug

For the rest of Saturday the predicted weather in Mount Rainier National Park is snow showers during the afternoon and evening. The temperature will be around -7°C (19°F).

Tomorrow's weather - Sunday 30 Aug

Tomorrow's weather in Mount Rainier National Park will be mostly sunny. The maximum predicted temperature is a very cold -2°C (28°F), while the minimum temperature is a very cold -12°C (10°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Mount Rainier National Park will get warmer, maximum temperatures reach 4°C (39°F) on Monday. Daytime highs during this period will average around -4°C (25°F), with nighttime lows around -8°C (18°F). These values are much cooler than usual for August. The next 10 days will feature a mix of sun and clouds. Precipitation levels will be more than usual (versus normal August snowfall), with some snowy days. Precipitation is likely on approximately 5 days (Sat, Tue, Wed, Thu, Fri). Expect generally calm wind conditions.

Weather Forecast FAQ for Mount Rainier National Park

When will be the warmest day next week?

The warmest day is expected to be Monday with a high of 4°C (39°F).

When will be the coldest day?

The coldest day is forecasted for Sunday with a low of -12°C (10°F).

Will it rain next week in Mount Rainier National Park?

Yes, rain is expected on 5 days , specifically on Sat, Tue, Wed, Thu, Fri.

How much rainfall is expected next week?

A total of 54 mm (2.1 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from -12°C (10°F) to 4°C (39°F).

More about Mount Rainier National Park

Explore the full Mount Rainier National Park climate overview with monthly averages, or check rainfall data and temperature by month.

Mount Rainier National Park weather by month

Browse monthly averages for Mount Rainier National Park: climate by month with temperature, rainfall and sunshine.

Travel inspiration

Need travel inspiration? Check out our bucket list articles and be inspired.