Weather in Chapman, CA
Chapman, Wednesday, 28 October, 14:47
Clear. Feels like 75°. High 76°, low 55°.
Monthly outlook for Chapman, CA: average high 73°, average low 58.7°. That is 0.7° below the climate normal for October. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 11 November (83.6°), the coolest 2 November (46.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 70.1° | 75.5° | -3° |
| 7 November – 16 November | 77.9° | 71.9° | +3.3° |
| 17 November – 26 November | at normal | 69.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — San Pasqual (1 mi).
0Chapman, Thursday, 29 October
Clear. High 75°, low 57°.
0.16
Chapman, Friday, 30 October
Light rain. High 63°, low 53°.
0.24Chapman, Saturday, 31 October
Rain. High 62°, low 52°.
0.48Chapman, Sunday, 1 November
Rain. High 62°, low 52°.
0Chapman, Monday, 2 November
Clear. High 64°, low 47°.
0
Chapman, Tuesday, 3 November
Mostly clear. High 83°, low 54°.
0Chapman, Wednesday, 4 November
Mostly clear. High 76°, low 64°.
0Chapman, Thursday, 5 November
Light rain. High 70°, low 61°.
0.13Chapman, Friday, 6 November
Light rain. High 68°, low 61°.
0.64Chapman, Saturday, 7 November
Rain. High 64°, low 58°.
0Chapman, Sunday, 8 November
Clear. High 74°, low 58°.
0Chapman, Monday, 9 November
Mostly clear. High 81°, low 63°.
0Chapman, Tuesday, 10 November
Clear. High 83°, low 67°.
0Chapman, Wednesday, 11 November
Clear. High 84°, low 68°.
0Chapman, Thursday, 12 November
Clear. High 82°, low 68°.
0.03Chapman, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Chapman, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Chapman, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Chapman, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Chapman, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Chapman, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Chapman, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Chapman, Friday, 20 November
Climate normal for this date — 60-year average.
0.11Chapman, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06
Chapman, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Chapman, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Chapman, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Chapman, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Chapman, Thursday, 26 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 Chapman, 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 Chapman, 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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