Weather in Lake Forest, CA
Lake Forest, Monday, 19 October, 06:41
Clear. Feels like 63°. High 83°, low 63°.
Monthly outlook for Lake Forest, CA: average high 75.6°, average low 62.7°. That is 1.3° above the climate normal for October. Precipitation is expected on 3 days (about 1.2 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 26 October (86.1°), the coolest 23 October (55.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 78.7° | 73.8° | +2.7° |
| 29 October – 7 November | 70.5° | 71.7° | -0.7° |
| 8 November – 17 November | at normal | 69.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mission Viejo (4 mi).
0
Lake Forest, Tuesday, 20 October
Clear. High 80°, low 59°.
0.21
Lake Forest, Wednesday, 21 October
Rain. High 74°, low 60°.
0.44Lake Forest, Thursday, 22 October
Rain. High 65°, low 57°.
0
Lake Forest, Friday, 23 October
Mostly clear. High 69°, low 56°.
0Lake Forest, Saturday, 24 October
Clear. High 78°, low 57°.
0
Lake Forest, Sunday, 25 October
Partly cloudy. High 85°, low 65°.
0
Lake Forest, Monday, 26 October
Overcast. High 86°, low 72°.
0Lake Forest, Tuesday, 27 October
Overcast. High 84°, low 71°.
0Lake Forest, Wednesday, 28 October
Mostly clear. High 83°, low 69°.
0Lake Forest, Thursday, 29 October
Overcast. High 76°, low 64°.
0Lake Forest, Friday, 30 October
Overcast. High 70°, low 62°.
0.01Lake Forest, Saturday, 31 October
Light rain. High 71°, low 63°.
0.56Lake Forest, Sunday, 1 November
Rain. High 67°, low 61°.
0Lake Forest, Monday, 2 November
Overcast. High 71°, low 62°.
0Lake Forest, Tuesday, 3 November
Overcast. High 68°, low 62°.
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.
0.08Lake 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.
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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