Weather in Winchester, ID
Winchester, Sunday, 18 October, 08:04
Clear. Feels like 44°. High 59°, low 35°.
Monthly outlook for Winchester, ID: average high 49.2°, average low 35.2°. That is 4.4° below the climate normal for October. Precipitation is expected on 7 days (about 1.7 inches), against a normal of 6 days and 1.3 inches. The warmest day looks like 21 October (64.8°), the coolest 30 October (22.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 52.8° | 59.3° | -3.6° |
| 28 October – 6 November | 43.2° | 52.9° | -5.4° |
| 7 November – 16 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Culdesac (10 mi).
0
Winchester, Monday, 19 October
Overcast. High 60°, low 38°.
0Winchester, Tuesday, 20 October
Overcast. High 60°, low 46°.
0Winchester, Wednesday, 21 October
Overcast. High 65°, low 49°.
0.2
Winchester, Thursday, 22 October
Light rain. High 54°, low 46°.
0
Winchester, Friday, 23 October
Partly cloudy. High 47°, low 36°.
0Winchester, Saturday, 24 October
Overcast. High 52°, low 34°.
0.55Winchester, Sunday, 25 October
Rain. High 52°, low 40°.
0.33
Winchester, Monday, 26 October
Snow. High 40°, low 35°.
0.19Winchester, Tuesday, 27 October
Snow. High 39°, low 33°.
0Winchester, Wednesday, 28 October
Clear. High 48°, low 31°.
0.15Winchester, Thursday, 29 October
Snow. High 34°, low 24°.
0Winchester, Friday, 30 October
Partly cloudy. High 38°, low 22°.
0Winchester, Saturday, 31 October
Clear. High 44°, low 26°.
0.1Winchester, Sunday, 1 November
Light rain. High 49°, low 33°.
0.15Winchester, Monday, 2 November
Light rain. High 47°, low 36°.
0.04Winchester, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12
Winchester, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Winchester, Thursday, 5 November
Climate normal for this date — 60-year average.
0.12Winchester, Friday, 6 November
Climate normal for this date — 60-year average.
0.13Winchester, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Winchester, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Winchester, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Winchester, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Winchester, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.1Winchester, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Winchester, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Winchester, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Winchester, Sunday, 15 November
Climate normal for this date — 60-year average.
0.09Winchester, 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 Winchester, 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 Winchester, 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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