Weather in Lake Arrowhead, CA
Lake Arrowhead, Thursday, 15 October, 22:52
Clear. Feels like 55°. High 71°, low 43°.
Monthly outlook for Lake Arrowhead, CA: average high 63.4°, average low 45.9°. That is 7.6° below the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 17 October (72.9°), the coolest 22 October (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 63.9° | 78.4° | -8° |
| 25 October – 3 November | 62.7° | 74.7° | -6.7° |
| 4 November – 13 November | at normal | 71.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — San Bernardino (10 mi).
0
Lake Arrowhead, Friday, 16 October
Overcast. High 72°, low 51°.
0Lake Arrowhead, Saturday, 17 October
Overcast. High 73°, low 52°.
0
Lake Arrowhead, Sunday, 18 October
Clear. High 71°, low 51°.
0Lake Arrowhead, Monday, 19 October
Clear. High 70°, low 54°.
0.18
Lake Arrowhead, Tuesday, 20 October
Light rain. High 57°, low 45°.
0.61Lake Arrowhead, Wednesday, 21 October
Rain. High 54°, low 40°.
0Lake Arrowhead, Thursday, 22 October
Overcast. High 49°, low 39°.
0Lake Arrowhead, Friday, 23 October
Clear. High 61°, low 41°.
0Lake Arrowhead, Saturday, 24 October
Clear. High 62°, low 45°.
0Lake Arrowhead, Sunday, 25 October
Clear. High 60°, low 42°.
0Lake Arrowhead, Monday, 26 October
Clear. High 66°, low 44°.
0Lake Arrowhead, Tuesday, 27 October
Clear. High 67°, low 47°.
0
Lake Arrowhead, Wednesday, 28 October
Partly cloudy. High 64°, low 50°.
0Lake Arrowhead, Thursday, 29 October
Overcast. High 61°, low 47°.
0Lake Arrowhead, Friday, 30 October
Clear. High 58°, low 44°.
0.02
Lake Arrowhead, Saturday, 31 October
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Monday, 2 November
Climate normal for this date — 60-year average.
0.01Lake Arrowhead, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Lake Arrowhead, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Lake Arrowhead, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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