Weather in Lake Arrowhead, CA
Lake Arrowhead, Wednesday, 21 October, 04:28
Clear. Feels like 50°. High 62°, low 47°.
Monthly outlook for Lake Arrowhead, CA: average high 57.6°, average low 44.7°. That is 9.9° below the climate normal for October. Precipitation is expected on 3 days (about 4.2 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 28 October (68.1°), the coolest 5 November (38°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 61.6° | 76° | -8° |
| 31 October – 9 November | 51° | 73.1° | -12.3° |
| 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).
1.09
Lake Arrowhead, Thursday, 22 October
Heavy rain. High 47°, low 43°.
0
Lake Arrowhead, Friday, 23 October
Clear. High 57°, low 42°.
0Lake Arrowhead, Saturday, 24 October
Clear. High 60°, low 45°.
0Lake Arrowhead, Sunday, 25 October
Clear. High 65°, low 46°.
0
Lake Arrowhead, Monday, 26 October
Overcast. High 67°, low 49°.
0
Lake Arrowhead, Tuesday, 27 October
Partly cloudy. High 67°, low 50°.
0Lake Arrowhead, Wednesday, 28 October
Overcast. High 68°, low 51°.
0Lake Arrowhead, Thursday, 29 October
Overcast. High 65°, low 52°.
0.01Lake Arrowhead, Friday, 30 October
Light rain. High 58°, low 48°.
0.1Lake Arrowhead, Saturday, 31 October
Light rain. High 54°, low 46°.
2.93Lake Arrowhead, Sunday, 1 November
Heavy rain. High 47°, low 40°.
0.03Lake Arrowhead, Monday, 2 November
Light rain. High 44°, low 38°.
0
Lake Arrowhead, Tuesday, 3 November
Mostly clear. High 54°, low 41°.
0Lake Arrowhead, Wednesday, 4 November
Partly cloudy. High 53°, low 40°.
0Lake Arrowhead, Thursday, 5 November
Clear. High 54°, low 38°.
0.01Lake 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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