MT RAINIER pretty much makes it's own weather, and because it stands in the path of prevailing moisture laden marine winds, its southern slopes get some world breaking snow fall, and Paradise Inn (a three story lodge) is frequently buried to the tops of its chimneys in snow. Due to the heavy snowfall on the slopes of Rainier, the mountain sports 26 major glaciers. The climbing weather on Mt Rainier is mostly rainy and cold throughout most of the year. This is because the Pacific Ocean produces plenty of moisture. Add to this, the latitude and elevation of the mountain, and you end up with plenty of rain, snow, and frigid conditions that can pop up at anytime of the year.
The best time to climb Mt Rainier is during the months of July and August, when conditions become warmer and drier. But as mentioned above, Rainier makes its own weather and you could find yourself in a white out along with freezing conditions at anytime during the course of the year. So best to get the most current weather report before setting out on any adventure.
The below information gives you current weather conditions Paradise 5,420 Ft.
| Sunday 9/25 Widespread haze before 4pm. Sunny, with a high near 69. Calm wind becoming south around 5 mph in the afternoon. |
| Sunday Night 9/25 Clear, with a low around 54. Calm wind becoming north northwest around 5 mph in the evening. |
| Monday 9/26 Sunny, with a high near 70. North northeast wind 5 to 7 mph becoming south southwest in the afternoon. |
| Monday Night 9/26 Clear, with a low around 54. Light and variable wind becoming north northwest around 6 mph in the evening. |
| Tuesday 9/27 Sunny, with a high near 67. East wind around 5 mph becoming calm. |
| Tuesday Night 9/27 Mostly cloudy, with a low around 47. |
| Wednesday 9/28 A 20 percent chance of showers. Partly sunny, with a high near 52. |
| Wednesday Night 9/28 A chance of showers. Mostly cloudy, with a low around 43. |
| Thursday 9/29 A slight chance of showers. Partly sunny, with a high near 50. |
| Thursday Night 9/29 Partly cloudy, with a low around 43. |
| Friday 9/30 Mostly sunny, with a high near 58. |
| Friday Night 9/30 Partly cloudy, with a low around 45. |
| Saturday 10/1 Mostly sunny, with a high near 59. |
The below information gives you current weather conditions at Camp Muir 10,080 Ft.
| Sunday 9/25 Widespread haze before 4pm. Sunny, with a high near 53. Light and variable wind becoming south around 6 mph in the afternoon. |
| Sunday Night 9/25 Clear, with a low around 43. Light southeast wind. |
| Monday 9/26 Sunny, with a high near 53. Light southeast wind becoming south 5 to 9 mph in the morning. |
| Monday Night 9/26 Clear, with a low around 43. South wind 3 to 5 mph. |
| Tuesday 9/27 Sunny, with a high near 52. East wind 8 to 10 mph becoming west in the afternoon. |
| Tuesday Night 9/27 Mostly cloudy, with a low around 37. |
| Wednesday 9/28 A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 39. Little or no snow accumulation expected. |
| Wednesday Night 9/28 A chance of snow showers. Mostly cloudy, with a low around 34. |
| Thursday 9/29 A slight chance of snow showers. Partly sunny, with a high near 37. |
| Thursday Night 9/29 Partly cloudy, with a low around 34. |
| Friday 9/30 Sunny, with a high near 44. |
| Friday Night 9/30 Partly cloudy, with a low around 37. |
| Saturday 10/1 Mostly sunny, with a high near 44. |
The below information gives you current weather conditions at the Summit of Rainier 14,411 Ft.
| Sunday 9/25 Widespread haze before 4pm. Sunny, with a high near 42. South wind around 7 mph. |
| Sunday Night 9/25 Clear, with a low around 32. South southwest wind around 9 mph. |
| Monday 9/26 Sunny, with a high near 42. South wind 7 to 11 mph. |
| Monday Night 9/26 Clear, with a low around 33. Wind chill values between 23 and 28. South southwest wind 9 to 17 mph, with gusts as high as 24 mph. |
| Tuesday 9/27 Sunny, with a high near 41. Northeast wind 11 to 14 mph becoming west southwest in the morning. Winds could gust as high as 20 mph. |
| Tuesday Night 9/27 Mostly cloudy, with a low around 27. |
| Wednesday 9/28 A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 29. Little or no snow accumulation expected. |
| Wednesday Night 9/28 A chance of snow showers. Mostly cloudy, with a low around 24. |
| Thursday 9/29 A slight chance of snow showers. Partly sunny, with a high near 27. |
| Thursday Night 9/29 Partly cloudy, with a low around 24. |
| Friday 9/30 Sunny, with a high near 34. |
| Friday Night 9/30 Partly cloudy, with a low around 27. |
| Saturday 10/1 Mostly sunny, with a high near 34. |
Photo shows North Side of Camp Muir
"Come now, let us reason together," says the Lord. "Though your sins are like scarlet, they shall be as white as snow; though they are red as crimson, they shall be like wool."
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