Weather in Mammoth, CA
Mammoth, Saturday, 17 October, 07:25
Mostly clear. Feels like 33°. High 75°, low 35°.
Monthly outlook for Mammoth, CA: average high 55.3°, average low 35.5°. That is 2° below the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 17 October (74.8°), the coolest 30 October (26.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 61.7° | 60.9° | +0.4° |
| 27 October – 5 November | 44.6° | 54.8° | -5.6° |
| 6 November – 15 November | at normal | 49.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Perez (6 mi).
0
Mammoth, Sunday, 18 October
Clear. High 74°, low 34°.
0
Mammoth, Monday, 19 October
Overcast. High 66°, low 43°.
0
Mammoth, Tuesday, 20 October
Light rain. High 68°, low 40°.
0.02Mammoth, Wednesday, 21 October
Light rain. High 67°, low 45°.
0Mammoth, Thursday, 22 October
Clear. High 63°, low 46°.
0Mammoth, Friday, 23 October
Overcast. High 60°, low 39°.
0.82Mammoth, Saturday, 24 October
Rain. High 47°, low 36°.
0.21
Mammoth, Sunday, 25 October
Snow. High 47°, low 35°.
0Mammoth, Monday, 26 October
Overcast. High 50°, low 34°.
0.01Mammoth, Tuesday, 27 October
Light rain. High 50°, low 32°.
0Mammoth, Wednesday, 28 October
Clear. High 54°, low 29°.
0.18Mammoth, Thursday, 29 October
Snow. High 43°, low 30°.
0
Mammoth, Friday, 30 October
Partly cloudy. High 43°, low 26°.
0.04Mammoth, Saturday, 31 October
Snow. High 40°, low 32°.
0.59Mammoth, Sunday, 1 November
Snow. High 38°, low 32°.
0.06Mammoth, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Mammoth, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Mammoth, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Mammoth, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Mammoth, Friday, 6 November
Climate normal for this date — 60-year average.
0.1Mammoth, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Mammoth, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Mammoth, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Mammoth, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Mammoth, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Mammoth, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Mammoth, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Mammoth, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Mammoth, Sunday, 15 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 Mammoth, 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 Mammoth, 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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