Mariposa and Yosemite Valley Weather for Tuesday, October 20, 2026

Note: Valid at 6:00 A.M.

Mostly sunny and cooler with a high temp of around 74 degrees and a low temp of around 57 degrees. A 30% chance of rain, mainly after 11:00 P.M.

 Yosemite Valley: Mostly sunny and slightly cooler with a high temp of around 71 degrees and a low temp of around 44 degrees. Possible 15 mph wind gusts today. A 30% chance of rain after 11:00 P.M.

 Mariposa weather for Wednesday: A 60%/70% chance of daytime/evening rain with up to 0.25” possible. Cloudy and cooler with a high temp of around 68 degrees and a low temp of around 53 degrees.

 Future high temps for Mariposa: Thu.: 63 degrees. Fri.: 67 degrees. Sat.: 71 degrees.

 Mariposa’s future rain chances:
Wed.: 60%/70% chance of daytime/evening rain with up to 0.25” possible.
Thu.: 80% chance of rain, showers, and thunderstorms with up to 0.25” possible.