Weather in Mount Washington, CA
Mount Washington, Sunday, 18 October, 13:53
Clear. Feels like 83°. High 86°, low 63°.
Monthly outlook for Mount Washington, CA: average high 74.6°, average low 61.7°. That is 1.5° below the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 18 October (86.2°), the coolest 23 October (51.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 77.8° | 78.3° | -0.3° |
| 28 October – 6 November | 69.2° | 75.5° | -3.5° |
| 7 November – 16 November | at normal | 72° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — South Pasadena (4 mi).
0Mount Washington, Monday, 19 October
Clear. High 84°, low 67°.
0Mount Washington, Tuesday, 20 October
Clear. High 82°, low 63°.
0.36
Mount Washington, Wednesday, 21 October
Rain. High 67°, low 58°.
0.2Mount Washington, Thursday, 22 October
Rain. High 66°, low 56°.
0Mount Washington, Friday, 23 October
Clear. High 71°, low 52°.
0Mount Washington, Saturday, 24 October
Clear. High 79°, low 54°.
0Mount Washington, Sunday, 25 October
Clear. High 84°, low 70°.
0
Mount Washington, Monday, 26 October
Overcast. High 80°, low 69°.
0Mount Washington, Tuesday, 27 October
Overcast. High 79°, low 67°.
0Mount Washington, Wednesday, 28 October
Overcast. High 72°, low 64°.
0.01Mount Washington, Thursday, 29 October
Light rain. High 68°, low 62°.
0.03Mount Washington, Friday, 30 October
Light rain. High 62°, low 60°.
0.02Mount Washington, Saturday, 31 October
Light rain. High 64°, low 59°.
0Mount Washington, Sunday, 1 November
Clear. High 70°, low 59°.
0Mount Washington, Monday, 2 November
Clear. High 78°, low 63°.
0
Mount Washington, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Mount Washington, Wednesday, 4 November
Climate normal for this date — 60-year average.
0Mount Washington, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Mount Washington, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Mount Washington, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Mount Washington, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Mount Washington, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Mount Washington, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Mount Washington, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Mount Washington, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Mount Washington, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Mount Washington, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Mount Washington, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Mount Washington, Monday, 16 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 Washington, 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 Washington, 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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