Weather in Castle Rock, WA
Castle Rock, Wednesday, 11 November, 07:08
Partly cloudy. Feels like 52°. High 66°, low 52°.
Monthly outlook for Castle Rock, WA: average high 53.5°, average low 45.4°. That is 3.1° above the climate normal for November. Precipitation is expected on 11 days (about 5.0 inches), against a normal of 10 days and 5.4 inches. The warmest day looks like 11 November (65.6°), the coolest 21 November (34°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 54.5° | 49.3° | +2.9° |
| 21 November – 30 November | 51.8° | 45.4° | +3.6° |
| 1 December – 10 December | at normal | 44° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Sightly (10 mi).
0
Castle Rock, Thursday, 12 November
Overcast. High 64°, low 48°.
0.21
Castle Rock, Friday, 13 November
Rain. High 55°, low 50°.
0.04Castle Rock, Saturday, 14 November
Light rain. High 56°, low 50°.
0.48Castle Rock, Sunday, 15 November
Light rain. High 55°, low 47°.
0.07Castle Rock, Monday, 16 November
Light rain. High 52°, low 44°.
0Castle Rock, Tuesday, 17 November
Partly cloudy. High 51°, low 39°.
0.62Castle Rock, Wednesday, 18 November
Rain. High 48°, low 43°.
0.14Castle Rock, Thursday, 19 November
Light rain. High 49°, low 39°.
0Castle Rock, Friday, 20 November
Overcast. High 49°, low 39°.
0
Castle Rock, Saturday, 21 November
Clear. High 49°, low 34°.
0.34Castle Rock, Sunday, 22 November
Rain. High 44°, low 40°.
0.83Castle Rock, Monday, 23 November
Rain. High 49°, low 44°.
0.64Castle Rock, Tuesday, 24 November
Rain. High 58°, low 51°.
1.31Castle Rock, Wednesday, 25 November
Rain. High 53°, low 51°.
0.31Castle Rock, Thursday, 26 November
Rain. High 58°, low 54°.
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.
0.4Castle Rock, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.46Castle Rock, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.39Castle Rock, Thursday, 3 December
Climate normal for this date — 60-year average.
0.35Castle Rock, Friday, 4 December
Climate normal for this date — 60-year average.
0.28Castle Rock, Saturday, 5 December
Climate normal for this date — 60-year average.
0.32Castle Rock, Sunday, 6 December
Climate normal for this date — 60-year average.
0.26Castle Rock, Monday, 7 December
Climate normal for this date — 60-year average.
0.31Castle Rock, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.34Castle Rock, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.39Castle Rock, Thursday, 10 December
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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