Weather in Brea Chem, CA
Brea Chem, Thursday, 29 October, 06:58
Clear. Feels like 61°. High 76°, low 61°.
Monthly outlook for Brea Chem, CA: average high 72.7°, average low 61.2°. That is 0.7° below the climate normal for October. Precipitation is expected on 3 days (about 0.9 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 3 November (79.2°), the coolest 3 November (53.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 29 October – 7 November | 72.9° | 74.9° | -1.1° |
| 8 November – 17 November | 72.4° | 71.9° | +0.3° |
| 18 November – 27 November | at normal | 69.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Placentia (3 mi).
0
Brea Chem, Friday, 30 October
Overcast. High 72°, low 61°.
0.02
Brea Chem, Saturday, 31 October
Light rain. High 69°, low 59°.
0.41Brea Chem, Sunday, 1 November
Rain. High 67°, low 58°.
0
Brea Chem, Monday, 2 November
Clear. High 72°, low 54°.
0Brea Chem, Tuesday, 3 November
Clear. High 79°, low 53°.
0Brea Chem, Wednesday, 4 November
Overcast. High 73°, low 63°.
0
Brea Chem, Thursday, 5 November
Mostly clear. High 72°, low 63°.
0Brea Chem, Friday, 6 November
Clear. High 72°, low 63°.
0Brea Chem, Saturday, 7 November
Clear. High 78°, low 64°.
0Brea Chem, Sunday, 8 November
Mostly clear. High 79°, low 66°.
0Brea Chem, Monday, 9 November
Overcast. High 79°, low 68°.
0Brea Chem, Tuesday, 10 November
Overcast. High 73°, low 67°.
0.24Brea Chem, Wednesday, 11 November
Rain. High 68°, low 63°.
0.28Brea Chem, Thursday, 12 November
Rain. High 67°, low 61°.
0Brea Chem, Friday, 13 November
Clear. High 68°, low 58°.
0.04Brea Chem, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Brea Chem, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Brea Chem, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Friday, 20 November
Climate normal for this date — 60-year average.
0.1
Brea Chem, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Sunday, 22 November
Climate normal for this date — 60-year average.
0.01Brea Chem, Monday, 23 November
Climate normal for this date — 60-year average.
0.04Brea Chem, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Brea Chem, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Brea Chem, Thursday, 26 November
Climate normal for this date — 60-year average.
0.04Brea Chem, Friday, 27 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 Brea Chem, 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 Brea Chem, 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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