Weather in Cape Horn, CA
Cape Horn, Sunday, 9 August, 04:08
Clear. Feels like 65°. High 100°, low 66°.
Monthly outlook for Cape Horn, CA: average high 89.4°, average low 64.2°. That is 1.3° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 9 August (100°), the coolest 17 August (55.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 90.2° | 88.1° | +1.2° |
| 19 August – 28 August | 88.1° | 85.7° | +1.3° |
| 29 August – 7 September | at normal | 86° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Alta Sierra (7 mi).
0
Cape Horn, Monday, 10 August
Overcast. High 97°, low 70°.
0.01
Cape Horn, Tuesday, 11 August
Light rain. High 99°, low 71°.
0
Cape Horn, Wednesday, 12 August
Partly cloudy. High 96°, low 71°.
0Cape Horn, Thursday, 13 August
Overcast. High 87°, low 67°.
0
Cape Horn, Friday, 14 August
Clear. High 89°, low 62°.
0Cape Horn, Saturday, 15 August
Partly cloudy. High 88°, low 64°.
0Cape Horn, Sunday, 16 August
Overcast. High 84°, low 62°.
0Cape Horn, Monday, 17 August
Overcast. High 80°, low 56°.
0Cape Horn, Tuesday, 18 August
Overcast. High 83°, low 59°.
0Cape Horn, Wednesday, 19 August
Clear. High 87°, low 62°.
0Cape Horn, Thursday, 20 August
Clear. High 87°, low 63°.
0Cape Horn, Friday, 21 August
Overcast. High 86°, low 63°.
0Cape Horn, Saturday, 22 August
Overcast. High 87°, low 62°.
0
Cape Horn, Sunday, 23 August
Mostly clear. High 90°, low 65°.
0Cape Horn, Monday, 24 August
Clear. High 91°, low 65°.
0Cape Horn, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Cape Horn, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Cape Horn, Thursday, 27 August
Climate normal for this date — 60-year average.
0Cape Horn, Friday, 28 August
Climate normal for this date — 60-year average.
0Cape Horn, Saturday, 29 August
Climate normal for this date — 60-year average.
0Cape Horn, Sunday, 30 August
Climate normal for this date — 60-year average.
0Cape Horn, Monday, 31 August
Climate normal for this date — 60-year average.
0.02Cape Horn, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.02Cape Horn, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01Cape Horn, Thursday, 3 September
Climate normal for this date — 60-year average.
0Cape Horn, Friday, 4 September
Climate normal for this date — 60-year average.
0.02Cape Horn, Saturday, 5 September
Climate normal for this date — 60-year average.
0.01Cape Horn, Sunday, 6 September
Climate normal for this date — 60-year average.
0Cape Horn, Monday, 7 September
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 Cape Horn, 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 Cape Horn, 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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