Weather in Mount Jackson, CA
Mount Jackson, Saturday, 8 August, 18:56
Clear. Feels like 73°. High 85°, low 59°.
Monthly outlook for Mount Jackson, CA: average high 85.5°, average low 53.6°. That is 0.6° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.0 inches. The warmest day looks like 19 August (93.1°), the coolest 23 August (50.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85° | 85.2° | -0.1° |
| 18 August – 27 August | 86.4° | 83.4° | +1.7° |
| 28 August – 6 September | at normal | 85.2° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Santa Rosa (12 mi).
0Mount Jackson, Sunday, 9 August
Clear. High 90°, low 57°.
0
Mount Jackson, Monday, 10 August
Overcast. High 92°, low 54°.
0Mount Jackson, Tuesday, 11 August
Clear. High 91°, low 53°.
0Mount Jackson, Wednesday, 12 August
Overcast. High 87°, low 53°.
0Mount Jackson, Thursday, 13 August
Overcast. High 80°, low 54°.
0
Mount Jackson, Friday, 14 August
Mostly clear. High 79°, low 53°.
0Mount Jackson, Saturday, 15 August
Clear. High 82°, low 53°.
0Mount Jackson, Sunday, 16 August
Overcast. High 82°, low 52°.
0Mount Jackson, Monday, 17 August
Overcast. High 81°, low 52°.
0
Mount Jackson, Tuesday, 18 August
Partly cloudy. High 89°, low 56°.
0Mount Jackson, Wednesday, 19 August
Overcast. High 93°, low 53°.
0Mount Jackson, Thursday, 20 August
Overcast. High 88°, low 51°.
0Mount Jackson, Friday, 21 August
Overcast. High 87°, low 54°.
0Mount Jackson, Saturday, 22 August
Mostly clear. High 78°, low 53°.
0Mount Jackson, Sunday, 23 August
Clear. High 83°, low 51°.
0Mount Jackson, Monday, 24 August
Climate normal for this date — 60-year average.
0Mount Jackson, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Mount Jackson, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Mount Jackson, Thursday, 27 August
Climate normal for this date — 60-year average.
0Mount Jackson, Friday, 28 August
Climate normal for this date — 60-year average.
0Mount Jackson, Saturday, 29 August
Climate normal for this date — 60-year average.
0Mount Jackson, Sunday, 30 August
Climate normal for this date — 60-year average.
0.02Mount Jackson, Monday, 31 August
Climate normal for this date — 60-year average.
0Mount Jackson, Tuesday, 1 September
Climate normal for this date — 60-year average.
0Mount Jackson, Wednesday, 2 September
Climate normal for this date — 60-year average.
0Mount Jackson, Thursday, 3 September
Climate normal for this date — 60-year average.
0Mount Jackson, Friday, 4 September
Climate normal for this date — 60-year average.
0Mount Jackson, Saturday, 5 September
Climate normal for this date — 60-year average.
0Mount Jackson, Sunday, 6 September
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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