Weather in Brea Chem, CA
Brea Chem, Tuesday, 27 October, 10:00
Clear. Feels like 69°. High 77°, low 56°.
Monthly outlook for Brea Chem, CA: average high 75.4°, average low 62.7°. That is 0.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.3 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 10 November (80°), the coolest 27 October (56.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 74.4° | 75.6° | -0.7° |
| 6 November – 15 November | 77° | 72.4° | +2.6° |
| 16 November – 25 November | at normal | 69.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Placentia (3 mi).
0
Brea Chem, Wednesday, 28 October
Overcast. High 77°, low 56°.
0Brea Chem, Thursday, 29 October
Overcast. High 75°, low 57°.
0.01
Brea Chem, Friday, 30 October
Light rain. High 71°, low 62°.
0.26Brea Chem, Saturday, 31 October
Rain. High 64°, low 59°.
0.02Brea Chem, Sunday, 1 November
Light rain. High 71°, low 58°.
0Brea Chem, Monday, 2 November
Clear. High 79°, low 63°.
0
Brea Chem, Tuesday, 3 November
Partly cloudy. High 79°, low 66°.
0Brea Chem, Wednesday, 4 November
Clear. High 75°, low 65°.
0Brea Chem, Thursday, 5 November
Overcast. High 75°, low 65°.
0Brea Chem, Friday, 6 November
Overcast. High 76°, low 66°.
0Brea Chem, Saturday, 7 November
Clear. High 76°, low 65°.
0Brea Chem, Sunday, 8 November
Clear. High 76°, low 65°.
0Brea Chem, Monday, 9 November
Clear. High 79°, low 67°.
0Brea Chem, Tuesday, 10 November
Clear. High 80°, low 67°.
0Brea Chem, Wednesday, 11 November
Clear. High 75°, low 66°.
0.04
Brea Chem, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Brea Chem, Friday, 13 November
Climate normal for this date — 60-year average.
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.
0.1Brea 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.
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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