Weather in Castle Rocks, ID
Castle Rocks, Saturday, 17 October, 12:50
Overcast. Feels like 58°. High 65°, low 35°.
Monthly outlook for Castle Rocks, ID: average high 50.4°, average low 33.6°. That is 1.3° below the climate normal for October. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 18 October (65.7°), the coolest 30 October (23.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 57.7° | 54.9° | +1.5° |
| 27 October – 5 November | 38.3° | 48.6° | -5.7° |
| 6 November – 15 November | at normal | 43.7° | — |
October records over 66 years
0
Castle Rocks, Sunday, 18 October
Clear. High 66°, low 34°.
0Castle Rocks, Monday, 19 October
Clear. High 65°, low 37°.
0
Castle Rocks, Tuesday, 20 October
Mostly clear. High 63°, low 39°.
0Castle Rocks, Wednesday, 21 October
Clear. High 65°, low 40°.
0.38
Castle Rocks, Thursday, 22 October
Rain. High 60°, low 43°.
0.15Castle Rocks, Friday, 23 October
Light rain. High 53°, low 44°.
0.01Castle Rocks, Saturday, 24 October
Light rain. High 53°, low 38°.
0.55
Castle Rocks, Sunday, 25 October
Snow. High 44°, low 31°.
0.04Castle Rocks, Monday, 26 October
Light snow. High 43°, low 32°.
0.07Castle Rocks, Tuesday, 27 October
Light rain. High 42°, low 33°.
0Castle Rocks, Wednesday, 28 October
Mostly clear. High 44°, low 28°.
0.08Castle Rocks, Thursday, 29 October
Light snow. High 40°, low 28°.
0
Castle Rocks, Friday, 30 October
Partly cloudy. High 35°, low 24°.
0.02Castle Rocks, Saturday, 31 October
Light snow. High 35°, low 25°.
0.65Castle Rocks, Sunday, 1 November
Snow. High 33°, low 27°.
0.07Castle Rocks, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Castle Rocks, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.06Castle 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.
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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