Weather in Castle Rocks, ID
Castle Rocks, Tuesday, 20 October, 01:15
Clear. Feels like 37°. High 66°, low 35°.
Monthly outlook for Castle Rocks, ID: average high 57.4°, average low 39.7°. That is 3.5° above the climate normal for October. Precipitation is expected on 2 days (about 1.0 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 22 October (66.7°), the coolest 25 October (30.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 58.7° | 52.8° | +3.3° |
| 30 October – 8 November | 55° | 47.2° | +4.3° |
| 9 November – 18 November | at normal | 42.1° | — |
October records over 66 years
0
Castle Rocks, Wednesday, 21 October
Clear. High 65°, low 35°.
0.24
Castle Rocks, Thursday, 22 October
Rain. High 67°, low 42°.
0.69Castle Rocks, Friday, 23 October
Rain. High 47°, low 40°.
0
Castle Rocks, Saturday, 24 October
Overcast. High 49°, low 34°.
0Castle Rocks, Sunday, 25 October
Clear. High 55°, low 30°.
0Castle Rocks, Monday, 26 October
Overcast. High 58°, low 39°.
0Castle Rocks, Tuesday, 27 October
Overcast. High 60°, low 43°.
0Castle Rocks, Wednesday, 28 October
Overcast. High 59°, low 44°.
0Castle Rocks, Thursday, 29 October
Overcast. High 61°, low 44°.
0.04Castle Rocks, Friday, 30 October
Light rain. High 59°, low 46°.
0Castle Rocks, Saturday, 31 October
Light rain. High 55°, low 41°.
0Castle Rocks, Sunday, 1 November
Overcast. High 55°, low 38°.
0Castle Rocks, Monday, 2 November
Overcast. High 57°, low 41°.
0.03Castle Rocks, Tuesday, 3 November
Light rain. High 55°, low 41°.
0Castle Rocks, Wednesday, 4 November
Overcast. High 49°, low 40°.
0.06
Castle 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.
0.09Castle Rocks, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Castle Rocks, Wednesday, 18 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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