Weather in Mount Jackson, CA
Mount Jackson, Sunday, 18 October, 22:21
Clear. Feels like 52°. High 76°, low 51°.
Monthly outlook for Mount Jackson, CA: average high 70.4°, average low 47°. That is 0.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 2 days and 1.2 inches. The warmest day looks like 25 October (85.7°), the coolest 20 October (37.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 73.1° | 71.4° | +1° |
| 28 October – 6 November | 65.8° | 67.7° | -1.1° |
| 7 November – 16 November | at normal | 63.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Forestville (2 mi).
0
Mount Jackson, Monday, 19 October
Clear. High 67°, low 42°.
0.09
Mount Jackson, Tuesday, 20 October
Rain. High 66°, low 38°.
0.37Mount Jackson, Wednesday, 21 October
Rain. High 67°, low 51°.
0.01Mount Jackson, Thursday, 22 October
Light rain. High 71°, low 49°.
0Mount Jackson, Friday, 23 October
Clear. High 70°, low 50°.
0Mount Jackson, Saturday, 24 October
Clear. High 78°, low 47°.
0
Mount Jackson, Sunday, 25 October
Overcast. High 86°, low 56°.
0Mount Jackson, Monday, 26 October
Clear. High 82°, low 54°.
0Mount Jackson, Tuesday, 27 October
Overcast. High 69°, low 45°.
0.04Mount Jackson, Wednesday, 28 October
Light rain. High 59°, low 41°.
0.12Mount Jackson, Thursday, 29 October
Light rain. High 55°, low 40°.
0Mount Jackson, Friday, 30 October
Overcast. High 66°, low 47°.
0Mount Jackson, Saturday, 31 October
Clear. High 74°, low 45°.
0Mount Jackson, Sunday, 1 November
Clear. High 75°, low 49°.
0Mount Jackson, Monday, 2 November
Overcast. High 66°, low 47°.
0.05
Mount Jackson, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Mount Jackson, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Mount Jackson, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Mount Jackson, Friday, 6 November
Climate normal for this date — 60-year average.
0.15Mount Jackson, Saturday, 7 November
Climate normal for this date — 60-year average.
0.11Mount Jackson, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Mount Jackson, Monday, 9 November
Climate normal for this date — 60-year average.
0.22Mount Jackson, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Mount Jackson, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Mount Jackson, Thursday, 12 November
Climate normal for this date — 60-year average.
0.2Mount Jackson, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Mount Jackson, Saturday, 14 November
Climate normal for this date — 60-year average.
0.15Mount Jackson, Sunday, 15 November
Climate normal for this date — 60-year average.
0.19Mount Jackson, 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 Jackson, 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 Jackson, 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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