Weather in Atlas, CA
Atlas, Sunday, 18 October, 02:07
Clear. Feels like 48°. High 72°, low 40°.
Monthly outlook for Atlas, CA: average high 71.1°, average low 48.7°. That is 1.3° below the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 2 days and 1.1 inches. The warmest day looks like 26 October (79.1°), the coolest 19 October (34.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 70.1° | 74.9° | -2.7° |
| 28 October – 6 November | 72.7° | 70.5° | +1.2° |
| 7 November – 16 November | at normal | 65.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — St. Helena (13 mi).
0.1
Atlas, Monday, 19 October
Rain. High 61°, low 35°.
0.08Atlas, Tuesday, 20 October
Light rain. High 61°, low 46°.
0.23Atlas, Wednesday, 21 October
Rain. High 63°, low 52°.
0
Atlas, Thursday, 22 October
Overcast. High 68°, low 49°.
0
Atlas, Friday, 23 October
Clear. High 71°, low 50°.
0Atlas, Saturday, 24 October
Clear. High 76°, low 49°.
0Atlas, Sunday, 25 October
Clear. High 78°, low 52°.
0Atlas, Monday, 26 October
Overcast. High 79°, low 52°.
0Atlas, Tuesday, 27 October
Overcast. High 72°, low 52°.
0
Atlas, Wednesday, 28 October
Mostly clear. High 75°, low 48°.
0
Atlas, Thursday, 29 October
Partly cloudy. High 72°, low 48°.
0Atlas, Friday, 30 October
Clear. High 77°, low 49°.
0Atlas, Saturday, 31 October
Clear. High 76°, low 51°.
0Atlas, Sunday, 1 November
Overcast. High 68°, low 53°.
0.04Atlas, Monday, 2 November
Light rain. High 67°, low 52°.
0.04Atlas, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Atlas, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.11Atlas, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Atlas, Friday, 6 November
Climate normal for this date — 60-year average.
0.12Atlas, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Atlas, Sunday, 8 November
Climate normal for this date — 60-year average.
0.12Atlas, Monday, 9 November
Climate normal for this date — 60-year average.
0.19Atlas, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Atlas, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Atlas, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Atlas, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Atlas, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Atlas, Sunday, 15 November
Climate normal for this date — 60-year average.
0.15Atlas, 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 Atlas, 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 Atlas, 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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