Weather in Brea Chem, CA
Brea Chem, Saturday, 14 November, 23:43
Clear. Feels like 59°. High 70°, low 57°.
Monthly outlook for Brea Chem, CA: average high 69.3°, average low 58°. That is 0.2° below the climate normal for November. Precipitation is expected on 6 days (about 2.0 inches), against a normal of 2 days and 0.9 inches. The warmest day looks like 29 November (77.3°), the coolest 20 November (50.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 November – 23 November | 67.4° | 70.3° | -1.7° |
| 24 November – 3 December | 72.4° | 68° | +2.4° |
| 4 December – 13 December | at normal | 65.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Placentia (3 mi).
0
Brea Chem, Sunday, 15 November
Partly cloudy. High 74°, low 54°.
0
Brea Chem, Monday, 16 November
Mostly clear. High 70°, low 58°.
0.42
Brea Chem, Tuesday, 17 November
Heavy rain. High 65°, low 54°.
0Brea Chem, Wednesday, 18 November
Mostly clear. High 66°, low 53°.
0.86Brea Chem, Thursday, 19 November
Heavy rain. High 59°, low 53°.
0.26Brea Chem, Friday, 20 November
Rain. High 66°, low 51°.
0
Brea Chem, Saturday, 21 November
Overcast. High 71°, low 60°.
0.05Brea Chem, Sunday, 22 November
Light rain. High 67°, low 60°.
0
Brea Chem, Monday, 23 November
Clear. High 67°, low 59°.
0.01Brea Chem, Tuesday, 24 November
Light rain. High 68°, low 60°.
0.29Brea Chem, Wednesday, 25 November
Rain. High 69°, low 62°.
0Brea Chem, Thursday, 26 November
Clear. High 73°, low 59°.
0Brea Chem, Friday, 27 November
Overcast. High 73°, low 63°.
0Brea Chem, Saturday, 28 November
Mostly clear. High 75°, low 62°.
0Brea Chem, Sunday, 29 November
Mostly clear. High 77°, low 64°.
0.07Brea Chem, Monday, 30 November
Climate normal for this date — 60-year average.
0.02Brea Chem, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.04Brea Chem, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Brea Chem, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Brea Chem, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Brea Chem, Saturday, 5 December
Climate normal for this date — 60-year average.
0.14Brea Chem, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Brea Chem, Monday, 7 December
Climate normal for this date — 60-year average.
0.03Brea Chem, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.03Brea Chem, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.03Brea Chem, Thursday, 10 December
Climate normal for this date — 60-year average.
0.07Brea Chem, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Brea Chem, Saturday, 12 December
Climate normal for this date — 60-year average.
0.05Brea Chem, Sunday, 13 December
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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