Weather forecast for the John Muir Trail in May

The John Muir Trail in California's Sierra Nevada mountains has different weather depending on where you are and how high up you go.

At lower altitudes, like Happy Isles and McClure Meadow, the weather is usually mild. Highs are between 50-65°F and lows are between 35-50°F. It's often sunny, but it might rain or be cloudy sometimes.

Higher up, like at Donahue Pass, Garnet Lake, and Guitar Lake, it's cooler. Highs are between 40-50°F and lows can go down to 20-30°F. The weather here can change more, with more chances of rain, snow, or even freezing rain.

In the middle elevations, such as Tuolumne Meadow and Red's Meadow, highs are between 40-55°F and lows are between 20-40°F. These areas also have many sunny days, but there's a moderate chance of rain or clouds.

Overall, expect a lot of sunny days along the trail, but be ready for some clouds and rain, especially at higher places. Weather can change a lot depending on where you are and how high up you go.