Mt. Shasta Weather Forecast
Weather forecast for: Mount Shasta CA
Last Update: 1:02 pm PDT Sep 21, 2026
This Afternoon: Mostly sunny, with a high near 81. West northwest wind around 7 mph.
Tonight: Mostly cloudy, then gradually becoming clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 78. Calm wind becoming west northwest 5 to 7 mph in the morning.
Tuesday Night: Increasing clouds, with a low around 46. North wind 5 to 9 mph.
Wednesday: Sunny, with a high near 79. Light and variable wind.
Wednesday Night: Partly cloudy, with a low around 55.
Thursday: Mostly sunny, with a high near 76.
Thursday Night: Partly cloudy, with a low around 46.
Friday: A slight chance of rain before 11am. Mostly sunny, with a high near 68.
Friday Night: Mostly clear, with a low around 42.
Saturday: Mostly sunny, with a high near 69.
Saturday Night: Mostly clear, with a low around 44.
Sunday: Sunny, with a high near 69.