Weather in Copalis Beach, WA
Copalis Beach, Sunday, 18 October, 14:22
Overcast. Feels like 55°. High 57°, low 43°.
Monthly outlook for Copalis Beach, WA: average high 53.9°, average low 46.1°. That is 0.1° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 9 days and 6.7 inches. The warmest day looks like 18 October (56.8°), the coolest 20 October (42.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 54.5° | 54.4° | +0° |
| 28 October – 6 November | 52.8° | 52.2° | +0.4° |
| 7 November – 16 November | at normal | 50.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Santiago (13 mi).
0Copalis Beach, Monday, 19 October
Overcast. High 57°, low 46°.
0
Copalis Beach, Tuesday, 20 October
Clear. High 55°, low 42°.
0
Copalis Beach, Wednesday, 21 October
Partly cloudy. High 56°, low 45°.
0.06
Copalis Beach, Thursday, 22 October
Light rain. High 55°, low 51°.
0.02Copalis Beach, Friday, 23 October
Light rain. High 53°, low 49°.
1.1Copalis Beach, Saturday, 24 October
Heavy rain. High 54°, low 47°.
0.42Copalis Beach, Sunday, 25 October
Light rain. High 54°, low 50°.
0.01Copalis Beach, Monday, 26 October
Light rain. High 53°, low 48°.
0Copalis Beach, Tuesday, 27 October
Clear. High 51°, low 45°.
0
Copalis Beach, Wednesday, 28 October
Mostly clear. High 52°, low 44°.
0Copalis Beach, Thursday, 29 October
Mostly clear. High 51°, low 44°.
0Copalis Beach, Friday, 30 October
Clear. High 52°, low 44°.
0Copalis Beach, Saturday, 31 October
Clear. High 54°, low 45°.
0Copalis Beach, Sunday, 1 November
Clear. High 56°, low 47°.
0Copalis Beach, Monday, 2 November
Overcast. High 53°, low 47°.
0.56Copalis Beach, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.59Copalis Beach, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.44Copalis Beach, Thursday, 5 November
Climate normal for this date — 60-year average.
0.61Copalis Beach, Friday, 6 November
Climate normal for this date — 60-year average.
0.55Copalis Beach, Saturday, 7 November
Climate normal for this date — 60-year average.
0.45Copalis Beach, Sunday, 8 November
Climate normal for this date — 60-year average.
0.58Copalis Beach, Monday, 9 November
Climate normal for this date — 60-year average.
0.44Copalis Beach, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.58Copalis Beach, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.61Copalis Beach, Thursday, 12 November
Climate normal for this date — 60-year average.
0.6Copalis Beach, Friday, 13 November
Climate normal for this date — 60-year average.
0.48Copalis Beach, Saturday, 14 November
Climate normal for this date — 60-year average.
0.62Copalis Beach, Sunday, 15 November
Climate normal for this date — 60-year average.
0.57Copalis Beach, Monday, 16 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 Copalis Beach, WA 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 Copalis Beach, WA 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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