Weather in Castle Rocks, ID
Castle Rocks, Sunday, 18 October, 22:45
Clear. Feels like 40°. High 62°, low 32°.
Monthly outlook for Castle Rocks, ID: average high 51.4°, average low 33°. That is 0.4° below the climate normal for October. Precipitation is expected on 6 days (about 1.2 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 19 October (68.2°), the coolest 30 October (20.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 58.3° | 54.3° | +2.2° |
| 28 October – 6 November | 39.9° | 48.1° | -4.6° |
| 7 November – 16 November | at normal | 43.2° | — |
October records over 66 years
0
Castle Rocks, Monday, 19 October
Clear. High 68°, low 34°.
0
Castle Rocks, Tuesday, 20 October
Overcast. High 65°, low 35°.
0Castle Rocks, Wednesday, 21 October
Clear. High 64°, low 41°.
0.46
Castle Rocks, Thursday, 22 October
Rain. High 61°, low 43°.
0.24Castle Rocks, Friday, 23 October
Light rain. High 46°, low 36°.
0
Castle Rocks, Saturday, 24 October
Partly cloudy. High 47°, low 31°.
0
Castle Rocks, Sunday, 25 October
Mostly clear. High 57°, low 37°.
0Castle Rocks, Monday, 26 October
Overcast. High 53°, low 36°.
0Castle Rocks, Tuesday, 27 October
Partly cloudy. High 59°, low 40°.
0.04
Castle Rocks, Wednesday, 28 October
Light snow. High 48°, low 33°.
0.04Castle Rocks, Thursday, 29 October
Snow. High 34°, low 26°.
0.15Castle Rocks, Friday, 30 October
Snow. High 35°, low 21°.
0Castle Rocks, Saturday, 31 October
Mostly clear. High 39°, low 21°.
0Castle Rocks, Sunday, 1 November
Overcast. High 45°, low 31°.
0.24Castle Rocks, Monday, 2 November
Snow. High 38°, low 30°.
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.
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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