Mariposa and Yosemite Valley Weather for Wednesday, October 21, 2026

Note: Valid at 6:00 A.M.

An 80%/90% chance of afternoon/evening rain, showers and thunderstorms with up to 0.50” possible. Mostly cloudy and cooler with a high temp of around 68 degrees and a low temp of around 53 degrees.

 Yosemite Valley: An 80%/100% chance of afternoon/evening showers and thunderstorms with up to 1.00” possible. Mostly cloudy and cooler with a high temp of around 67 degrees and a low temp of around 42 degrees.

 Mariposa weather for Thursday: A 90%/60% chance of daytime/evening rain with up to 0.25” possible. Mostly cloudy and cooler with a high temp of around 62 degrees and a low temp of around 50 degrees.

 Future high temps for Mariposa: Fri.: 66 degrees. Sat.: 70 degrees. Sun.: 73 degrees.

 Mariposa’s future rain chances:
Thu.: 90%/60% chance of daytime/evening rain, showers, and thunderstorms with up to 0.25” possible.