Weather in Islay, WY
Islay, Thursday, 8 October, 10:07
Mostly clear. Feels like 72°. High 77°, low 47°.
Monthly outlook for Islay, WY: average high 61.3°, average low 42.1°. That is 2.8° above the climate normal for October. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 9 October (78.7°), the coolest 16 October (22.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 61.5° | 57° | +2.5° |
| 18 October – 27 October | 61° | 54° | +3.9° |
| 28 October – 6 November | at normal | 47.3° | — |
October records over 66 years
0
Islay, Friday, 9 October
Clear. High 79°, low 45°.
0Islay, Saturday, 10 October
Mostly clear. High 75°, low 55°.
0.01
Islay, Sunday, 11 October
Light rain. High 70°, low 56°.
0Islay, Monday, 12 October
Clear. High 72°, low 49°.
0.02Islay, Tuesday, 13 October
Light rain. High 56°, low 48°.
0.52Islay, Wednesday, 14 October
Rain. High 57°, low 43°.
0.01Islay, Thursday, 15 October
Light rain. High 47°, low 33°.
0
Islay, Friday, 16 October
Overcast. High 40°, low 23°.
0.19Islay, Saturday, 17 October
Light rain. High 42°, low 29°.
0
Islay, Sunday, 18 October
Partly cloudy. High 52°, low 36°.
0Islay, Monday, 19 October
Clear. High 65°, low 41°.
0Islay, Tuesday, 20 October
Clear. High 64°, low 44°.
0Islay, Wednesday, 21 October
Mostly clear. High 65°, low 40°.
0Islay, Thursday, 22 October
Overcast. High 55°, low 34°.
0Islay, Friday, 23 October
Overcast. High 65°, low 50°.
0.06Islay, Saturday, 24 October
Climate normal for this date — 60-year average.
0.04Islay, Sunday, 25 October
Climate normal for this date — 60-year average.
0.05Islay, Monday, 26 October
Climate normal for this date — 60-year average.
0.02Islay, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Islay, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Islay, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Islay, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Islay, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Islay, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Islay, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Islay, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Islay, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Islay, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Islay, Friday, 6 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 Islay, WY 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 Islay, WY 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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