Weather in Castle Rock, WA
Castle Rock, Sunday, 1 November, 09:05
Overcast. Feels like 43°. High 54°, low 40°.
Monthly outlook for Castle Rock, WA: average high 55.4°, average low 45.6°. That is 2.3° above the climate normal for November. Precipitation is expected on 13 days (about 3.4 inches), against a normal of 10 days and 4.7 inches. The warmest day looks like 7 November (62.6°), the coolest 1 November (39.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 56.7° | 52.1° | +2.6° |
| 11 November – 20 November | 53.3° | 49.3° | +2.2° |
| 21 November – 30 November | at normal | 45.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sightly (10 mi).
0.06
Castle Rock, Monday, 2 November
Light rain. High 58°, low 42°.
0.02Castle Rock, Tuesday, 3 November
Light rain. High 60°, low 44°.
0.11Castle Rock, Wednesday, 4 November
Light rain. High 56°, low 41°.
0.09Castle Rock, Thursday, 5 November
Light rain. High 55°, low 49°.
0.72Castle Rock, Friday, 6 November
Rain. High 53°, low 43°.
0.06Castle Rock, Saturday, 7 November
Light rain. High 63°, low 46°.
0.01Castle Rock, Sunday, 8 November
Light rain. High 53°, low 45°.
0.05Castle Rock, Monday, 9 November
Light rain. High 59°, low 49°.
0.07Castle Rock, Tuesday, 10 November
Light rain. High 57°, low 49°.
0.43Castle Rock, Wednesday, 11 November
Rain. High 55°, low 53°.
0.44Castle Rock, Thursday, 12 November
Rain. High 58°, low 48°.
0.19Castle Rock, Friday, 13 November
Rain. High 53°, low 45°.
0.33Castle Rock, Saturday, 14 November
Rain. High 50°, low 44°.
0.55Castle Rock, Sunday, 15 November
Rain. High 49°, low 46°.
0.3Castle Rock, Monday, 16 November
Rain. High 54°, low 47°.
0.35Castle Rock, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.24Castle Rock, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.41Castle Rock, Thursday, 19 November
Climate normal for this date — 60-year average.
0.35Castle Rock, Friday, 20 November
Climate normal for this date — 60-year average.
0.31Castle Rock, Saturday, 21 November
Climate normal for this date — 60-year average.
0.33Castle Rock, Sunday, 22 November
Climate normal for this date — 60-year average.
0.39Castle Rock, Monday, 23 November
Climate normal for this date — 60-year average.
0.44Castle Rock, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.44Castle Rock, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.23Castle Rock, Thursday, 26 November
Climate normal for this date — 60-year average.
0.33Castle Rock, Friday, 27 November
Climate normal for this date — 60-year average.
0.27Castle Rock, Saturday, 28 November
Climate normal for this date — 60-year average.
0.29Castle Rock, Sunday, 29 November
Climate normal for this date — 60-year average.
0.35Castle Rock, Monday, 30 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 Castle Rock, 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 Castle Rock, 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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