Weather in Lake Arrowhead, CA
Lake Arrowhead, Wednesday, 21 October, 20:59
Overcast. Feels like 52°. High 59°, low 45°.
Monthly outlook for Lake Arrowhead, CA: average high 63.8°, average low 47°. That is 6.4° below the climate normal for October. Precipitation is expected on 2 days (about 1.5 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 5 November (70.9°), the coolest 23 October (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 62.8° | 76° | -7.3° |
| 31 October – 9 November | 65.6° | 73.1° | -4.2° |
| 10 November – 19 November | at normal | 69.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — San Bernardino (10 mi).
1
Lake Arrowhead, Thursday, 22 October
Heavy rain. High 50°, low 40°.
0
Lake Arrowhead, Friday, 23 October
Partly cloudy. High 56°, low 38°.
0
Lake Arrowhead, Saturday, 24 October
Clear. High 62°, low 45°.
0Lake Arrowhead, Sunday, 25 October
Clear. High 65°, low 48°.
0Lake Arrowhead, Monday, 26 October
Clear. High 68°, low 46°.
0Lake Arrowhead, Tuesday, 27 October
Partly cloudy. High 69°, low 48°.
0Lake Arrowhead, Wednesday, 28 October
Overcast. High 71°, low 55°.
0Lake Arrowhead, Thursday, 29 October
Overcast. High 68°, low 53°.
0Lake Arrowhead, Friday, 30 October
Overcast. High 60°, low 45°.
0Lake Arrowhead, Saturday, 31 October
Overcast. High 53°, low 44°.
0Lake Arrowhead, Sunday, 1 November
Clear. High 65°, low 43°.
0Lake Arrowhead, Monday, 2 November
Clear. High 67°, low 49°.
0Lake Arrowhead, Tuesday, 3 November
Clear. High 68°, low 51°.
0Lake Arrowhead, Wednesday, 4 November
Clear. High 69°, low 51°.
0Lake Arrowhead, Thursday, 5 November
Clear. High 71°, low 53°.
0.01
Lake Arrowhead, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Lake Arrowhead, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Lake Arrowhead, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Lake Arrowhead, Monday, 9 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Lake Arrowhead, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Lake Arrowhead, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Lake Arrowhead, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Lake Arrowhead, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Lake Arrowhead, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Lake Arrowhead, Thursday, 19 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 Arrowhead, 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 Arrowhead, 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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