The John Muir Trail is located in the Sierra Nevada mountains of California. Usually, you will experience predictable weather. Most days are sunny with clear skies. Daytime temperatures are mostly between 55°F and 65°F, and nighttime temperatures are between 35°F and 45°F. There is not much rain, but it changes a bit depending on where you are and how high you are.
In higher places, like near Donahue Pass, Guitar Lake, and the Whitney Zone, the weather can vary more. While it's mostly sunny, you might encounter rain, snow, or freezing rain, especially early in the morning or late in the season.
Lower areas, like river valleys and meadows, have more stable weather. These places generally have clear and sunny days, with only occasional clouds.
Overall, the John Muir Trail has mainly stable and sunny weather, but higher elevations and certain spots can have more changeable weather, particularly with rain and colder nights.
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