Weather in Lake Forest, CA
Lake Forest, Friday, 23 October, 07:21
Clear. Feels like 58°. High 72°, low 58°.
Monthly outlook for Lake Forest, CA: average high 71.8°, average low 59.2°. That is 0.4° below the climate normal for October. Precipitation is expected on 4 days (about 1.8 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 26 October (78.6°), the coolest 5 November (56.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 73.1° | 73.1° | -0° |
| 2 November – 11 November | 69.7° | 70.8° | -0.6° |
| 12 November – 21 November | at normal | 68.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mission Viejo (4 mi).
0Lake Forest, Saturday, 24 October
Clear. High 78°, low 57°.
0Lake Forest, Sunday, 25 October
Clear. High 77°, low 59°.
0
Lake Forest, Monday, 26 October
Overcast. High 79°, low 61°.
0Lake Forest, Tuesday, 27 October
Clear. High 74°, low 59°.
0
Lake Forest, Wednesday, 28 October
Partly cloudy. High 76°, low 59°.
0Lake Forest, Thursday, 29 October
Overcast. High 72°, low 59°.
0Lake Forest, Friday, 30 October
Overcast. High 70°, low 59°.
0.12
Lake Forest, Saturday, 31 October
Light rain. High 66°, low 61°.
0.98Lake Forest, Sunday, 1 November
Rain. High 68°, low 62°.
0.43Lake Forest, Monday, 2 November
Rain. High 64°, low 59°.
0.02Lake Forest, Tuesday, 3 November
Light rain. High 66°, low 58°.
0Lake Forest, Wednesday, 4 November
Overcast. High 66°, low 57°.
0Lake Forest, Thursday, 5 November
Overcast. High 68°, low 57°.
0
Lake Forest, Friday, 6 November
Mostly clear. High 77°, low 60°.
0Lake Forest, Saturday, 7 November
Overcast. High 77°, low 63°.
0.08Lake 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.
0.05Lake Forest, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Lake Forest, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Lake Forest, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Lake Forest, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Lake Forest, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Lake Forest, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Lake Forest, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Lake Forest, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Lake Forest, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Lake Forest, Friday, 20 November
Climate normal for this date — 60-year average.
0.06Lake Forest, Saturday, 21 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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