Weather in Lake Forest, CA
Lake Forest, Monday, 12 October, 22:27
Mostly clear. Feels like 59°. High 66°, low 59°.
Monthly outlook for Lake Forest, CA: average high 79.8°, average low 63.6°. That is 3° above the climate normal for October. Precipitation is expected on 1 day (about 0.4 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 27 October (89.4°), the coolest 13 October (52.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 76.7° | 74.7° | +1.1° |
| 22 October – 31 October | 84.8° | 73.2° | +6.4° |
| 1 November – 10 November | at normal | 71° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mission Viejo (4 mi).
0
Lake Forest, Tuesday, 13 October
Clear. High 72°, low 52°.
0Lake Forest, Wednesday, 14 October
Clear. High 77°, low 56°.
0Lake Forest, Thursday, 15 October
Clear. High 82°, low 60°.
0Lake Forest, Friday, 16 October
Clear. High 88°, low 71°.
0Lake Forest, Saturday, 17 October
Clear. High 86°, low 70°.
0Lake Forest, Sunday, 18 October
Clear. High 83°, low 67°.
0Lake Forest, Monday, 19 October
Clear. High 80°, low 64°.
0
Lake Forest, Tuesday, 20 October
Overcast. High 67°, low 60°.
0Lake Forest, Wednesday, 21 October
Clear. High 68°, low 55°.
0Lake Forest, Thursday, 22 October
Clear. High 76°, low 59°.
0Lake Forest, Friday, 23 October
Clear. High 82°, low 63°.
0Lake Forest, Saturday, 24 October
Clear. High 86°, low 71°.
0Lake Forest, Sunday, 25 October
Clear. High 86°, low 68°.
0Lake Forest, Monday, 26 October
Clear. High 89°, low 71°.
0Lake Forest, Tuesday, 27 October
Clear. High 89°, low 73°.
0.02
Lake Forest, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.01Lake Forest, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Lake Forest, Friday, 30 October
Climate normal for this date — 60-year average.
0.02Lake Forest, Saturday, 31 October
Climate normal for this date — 60-year average.
0.03Lake Forest, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Lake Forest, Monday, 2 November
Climate normal for this date — 60-year average.
0Lake Forest, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Lake Forest, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Lake Forest, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01Lake Forest, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Lake Forest, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08
Lake Forest, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Lake Forest, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Lake Forest, Tuesday, 10 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 Lake Forest, 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 Lake Forest, 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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