Weather in Sun Valley, ID
Sun Valley, Sunday, 25 October, 08:52
Clear. Feels like 36°. High 52°, low 27°.
Monthly outlook for Sun Valley, ID: average high 40.2°, average low 26.6°. That is 3.8° below the climate normal for October. Precipitation is expected on 8 days (about 4.7 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 25 October (51.7°), the coolest 29 October (16.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 40.5° | 48.5° | -4.4° |
| 4 November – 13 November | 39.8° | 43.5° | -2.1° |
| 14 November – 23 November | at normal | 38.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hailey (12 mi).
0.29
Sun Valley, Monday, 26 October
Snow. High 47°, low 30°.
0
Sun Valley, Tuesday, 27 October
Overcast. High 33°, low 21°.
0.01Sun Valley, Wednesday, 28 October
Light snow. High 35°, low 18°.
0Sun Valley, Thursday, 29 October
Overcast. High 41°, low 16°.
0.17Sun Valley, Friday, 30 October
Snow. High 39°, low 28°.
0.09Sun Valley, Saturday, 31 October
Snow. High 42°, low 31°.
2.54Sun Valley, Sunday, 1 November
Snow. High 39°, low 37°.
0.32Sun Valley, Monday, 2 November
Snow. High 38°, low 19°.
0Sun Valley, Tuesday, 3 November
Overcast. High 39°, low 20°.
0Sun Valley, Wednesday, 4 November
Overcast. High 41°, low 28°.
0.17Sun Valley, Thursday, 5 November
Snow. High 42°, low 29°.
0.91Sun Valley, Friday, 6 November
Snow. High 36°, low 33°.
0.03Sun Valley, Saturday, 7 November
Light snow. High 37°, low 24°.
0.15Sun Valley, Sunday, 8 November
Snow. High 39°, low 28°.
0Sun Valley, Monday, 9 November
Overcast. High 43°, low 37°.
0.04
Sun Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Sun Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Sun Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Sun Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Sun Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Sun Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Sun Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.06
Sun Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Sun Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Sun Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.06Sun Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.06Sun Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.1Sun Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Sun Valley, Monday, 23 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 Sun Valley, 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 Sun Valley, 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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