Weather in Placentia, CA
Placentia, Friday, 9 October, 23:10
Clear. Feels like 72°. High 90°, low 68°.
Monthly outlook for Placentia, CA: average high 82.1°, average low 66.5°. That is 1.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 17 October (96.6°), the coolest 13 October (52.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 81° | 79.5° | +0.8° |
| 19 October – 28 October | 83.8° | 77.6° | +3.4° |
| 29 October – 7 November | at normal | 74.9° | — |
October records over 66 years
0.04
Placentia, Saturday, 10 October
Light rain. High 87°, low 67°.
0.59Placentia, Sunday, 11 October
Rain. High 69°, low 61°.
0.28Placentia, Monday, 12 October
Rain. High 65°, low 57°.
0
Placentia, Tuesday, 13 October
Partly cloudy. High 66°, low 52°.
0
Placentia, Wednesday, 14 October
Clear. High 75°, low 53°.
0Placentia, Thursday, 15 October
Clear. High 84°, low 58°.
0Placentia, Friday, 16 October
Clear. High 94°, low 74°.
0Placentia, Saturday, 17 October
Clear. High 97°, low 78°.
0Placentia, Sunday, 18 October
Clear. High 85°, low 73°.
0Placentia, Monday, 19 October
Clear. High 79°, low 69°.
0Placentia, Tuesday, 20 October
Clear. High 77°, low 67°.
0Placentia, Wednesday, 21 October
Clear. High 85°, low 68°.
0Placentia, Thursday, 22 October
Clear. High 84°, low 71°.
0Placentia, Friday, 23 October
Clear. High 86°, low 71°.
0
Placentia, Saturday, 24 October
Overcast. High 91°, low 75°.
0.01
Placentia, Sunday, 25 October
Climate normal for this date — 60-year average.
0.01Placentia, Monday, 26 October
Climate normal for this date — 60-year average.
0.06Placentia, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.02Placentia, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.01Placentia, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05Placentia, Friday, 30 October
Climate normal for this date — 60-year average.
0.02Placentia, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Placentia, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Placentia, Monday, 2 November
Climate normal for this date — 60-year average.
0Placentia, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Placentia, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Placentia, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Placentia, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Placentia, Saturday, 7 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 Placentia, 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 Placentia, 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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