Weather in Castle Rocks, ID
Castle Rocks, Sunday, 18 October, 12:52
Clear. Feels like 54°. High 61°, low 32°.
Monthly outlook for Castle Rocks, ID: average high 51.9°, average low 33.2°. That is 0.2° below the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 19 October (68.5°), the coolest 30 October (20.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 56.7° | 54.3° | +1.3° |
| 28 October – 6 November | 43.9° | 48.1° | -2.4° |
| 7 November – 16 November | at normal | 43.2° | — |
October records over 66 years
0Castle Rocks, Monday, 19 October
Clear. High 68°, low 36°.
0
Castle Rocks, Tuesday, 20 October
Overcast. High 65°, low 40°.
0.07
Castle Rocks, Wednesday, 21 October
Light rain. High 65°, low 42°.
0.23Castle Rocks, Thursday, 22 October
Rain. High 59°, low 45°.
0.04Castle Rocks, Friday, 23 October
Light rain. High 42°, low 33°.
0
Castle Rocks, Saturday, 24 October
Mostly clear. High 54°, low 32°.
0Castle Rocks, Sunday, 25 October
Clear. High 58°, low 38°.
0Castle Rocks, Monday, 26 October
Overcast. High 56°, low 40°.
0.02
Castle Rocks, Tuesday, 27 October
Snow. High 39°, low 30°.
0Castle Rocks, Wednesday, 28 October
Mostly clear. High 51°, low 28°.
0.02Castle Rocks, Thursday, 29 October
Light snow. High 39°, low 28°.
0Castle Rocks, Friday, 30 October
Clear. High 39°, low 20°.
0Castle Rocks, Saturday, 31 October
Clear. High 44°, low 23°.
0.41Castle Rocks, Sunday, 1 November
Snow. High 47°, low 32°.
0.44Castle Rocks, Monday, 2 November
Rain. High 43°, low 34°.
0.04Castle Rocks, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06
Castle Rocks, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Castle Rocks, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08
Castle Rocks, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Castle Rocks, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Castle Rocks, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Castle Rocks, Monday, 9 November
Climate normal for this date — 60-year average.
0.07Castle Rocks, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Castle Rocks, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Castle Rocks, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Castle Rocks, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Castle Rocks, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Castle Rocks, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Castle Rocks, 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 Castle Rocks, ID 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 Rocks, ID 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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