Weather in Mount Shasta, CA
Mount Shasta, Wednesday, 21 October, 10:31
Clear. Feels like 56°. High 70°, low 42°.
Monthly outlook for Mount Shasta, CA: average high 58.4°, average low 39.9°. That is 0.4° below the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 4 days and 2.7 inches. The warmest day looks like 21 October (70.1°), the coolest 5 November (32.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 59.8° | 60.3° | -0.3° |
| 31 October – 9 November | 56.2° | 55.6° | +0.3° |
| 10 November – 19 November | at normal | 50.3° | — |
October records over 66 years
0.23
Mount Shasta, Thursday, 22 October
Rain. High 55°, low 41°.
0Mount Shasta, Friday, 23 October
Clear. High 49°, low 34°.
0
Mount Shasta, Saturday, 24 October
Mostly clear. High 64°, low 37°.
0
Mount Shasta, Sunday, 25 October
Overcast. High 60°, low 42°.
0Mount Shasta, Monday, 26 October
Clear. High 55°, low 45°.
0
Mount Shasta, Tuesday, 27 October
Partly cloudy. High 63°, low 43°.
0Mount Shasta, Wednesday, 28 October
Partly cloudy. High 61°, low 41°.
0.06Mount Shasta, Thursday, 29 October
Light rain. High 57°, low 41°.
0Mount Shasta, Friday, 30 October
Clear. High 63°, low 41°.
0Mount Shasta, Saturday, 31 October
Partly cloudy. High 57°, low 34°.
0Mount Shasta, Sunday, 1 November
Overcast. High 61°, low 40°.
0Mount Shasta, Monday, 2 November
Partly cloudy. High 63°, low 41°.
0.02Mount Shasta, Tuesday, 3 November
Light rain. High 52°, low 42°.
0.04Mount Shasta, Wednesday, 4 November
Light rain. High 58°, low 40°.
0.04
Mount Shasta, Thursday, 5 November
Light snow. High 48°, low 33°.
0.2
Mount Shasta, Friday, 6 November
Climate normal for this date — 60-year average.
0.27Mount Shasta, Saturday, 7 November
Climate normal for this date — 60-year average.
0.22Mount Shasta, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Mount Shasta, Monday, 9 November
Climate normal for this date — 60-year average.
0.22Mount Shasta, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Mount Shasta, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.21Mount Shasta, Thursday, 12 November
Climate normal for this date — 60-year average.
0.35Mount Shasta, Friday, 13 November
Climate normal for this date — 60-year average.
0.18Mount Shasta, Saturday, 14 November
Climate normal for this date — 60-year average.
0.22Mount Shasta, Sunday, 15 November
Climate normal for this date — 60-year average.
0.27Mount Shasta, Monday, 16 November
Climate normal for this date — 60-year average.
0.26Mount Shasta, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.19Mount Shasta, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.27Mount Shasta, Thursday, 19 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Mount Shasta, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Mount Shasta, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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