Weather in Copalis Beach, WA
Copalis Beach, Monday, 12 October, 19:00
Partly cloudy. Feels like 51°. High 58°, low 41°.
Monthly outlook for Copalis Beach, WA: average high 57.5°, average low 49.5°. That is 1.3° above the climate normal for October. Precipitation is expected on 6 days (about 1.7 inches), against a normal of 8 days and 6.0 inches. The warmest day looks like 15 October (66.9°), the coolest 12 October (40.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 57.6° | 55.8° | +1° |
| 22 October – 31 October | 57.4° | 53.4° | +2.2° |
| 1 November – 10 November | at normal | 51.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Santiago (13 mi).
0.01
Copalis Beach, Tuesday, 13 October
Light rain. High 58°, low 43°.
0.06Copalis Beach, Wednesday, 14 October
Light rain. High 59°, low 47°.
0
Copalis Beach, Thursday, 15 October
Clear. High 67°, low 51°.
0.01Copalis Beach, Friday, 16 October
Light rain. High 61°, low 55°.
0.04Copalis Beach, Saturday, 17 October
Light rain. High 57°, low 51°.
0.22Copalis Beach, Sunday, 18 October
Rain. High 55°, low 47°.
0.64Copalis Beach, Monday, 19 October
Rain. High 53°, low 50°.
0.01Copalis Beach, Tuesday, 20 October
Light rain. High 53°, low 50°.
0.04Copalis Beach, Wednesday, 21 October
Light rain. High 54°, low 48°.
0.66Copalis Beach, Thursday, 22 October
Rain. High 54°, low 52°.
0
Copalis Beach, Friday, 23 October
Partly cloudy. High 54°, low 50°.
0
Copalis Beach, Saturday, 24 October
Overcast. High 55°, low 50°.
0Copalis Beach, Sunday, 25 October
Overcast. High 57°, low 51°.
0Copalis Beach, Monday, 26 October
Clear. High 62°, low 52°.
0Copalis Beach, Tuesday, 27 October
Clear. High 63°, low 54°.
0.51Copalis Beach, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.33Copalis Beach, Thursday, 29 October
Climate normal for this date — 60-year average.
0.48Copalis Beach, Friday, 30 October
Climate normal for this date — 60-year average.
0.48Copalis Beach, Saturday, 31 October
Climate normal for this date — 60-year average.
0.43Copalis Beach, Sunday, 1 November
Climate normal for this date — 60-year average.
0.42Copalis Beach, Monday, 2 November
Climate normal for this date — 60-year average.
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.
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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