10-day forecast for Islay, WY: 29° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Wednesday, October 21
47° · 1.09 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1652° / 29°0
Morning31°feels 24°
Afternoon51°feels 48°
Evening40°feels 35°
Overnight29°feels 20°
52 °
Islay, Friday, 16 October
Clear. High 52°, low 29°.
Pressure30.62 inHg
Wind3 mph S
Humidity40%
Visibility6.2 mi
Dew point7°
Sat, 1766° / 35°0
Morning47°feels 42°
Afternoon66°feels 64°
Evening53°feels 50°
Overnight36°feels 31°
66 °
Islay, Saturday, 17 October
Clear. High 66°, low 35°.
Pressure30.18 inHg
Wind16.2 mph W
Humidity26%
Visibility6.2 mi
Dew point18°
Sun, 1863° / 46°0
Morning47°feels 42°
Afternoon64°feels 62°
Evening51°feels 48°
Overnight50°feels 44°
63 °
Islay, Sunday, 18 October
Overcast. High 63°, low 46°.
Pressure30.00 inHg
Wind10 mph NW
Humidity26%
Visibility6.2 mi
Dew point18°
Mon, 1962° / 42°0
Morning49°feels 46°
Afternoon59°feels 57°
Evening54°feels 51°
Overnight44°feels 41°
62 °
Islay, Monday, 19 October
Clear. High 62°, low 42°.
Pressure30.00 inHg
Wind9.5 mph S
Humidity37%
Visibility—
Dew point32°
Tue, 2065° / 43°0
Morning49°feels 46°
Afternoon62°feels 60°
Evening58°feels 56°
Overnight49°feels 48°
65 °
Islay, Tuesday, 20 October
Clear. High 65°, low 43°.
Pressure30.00 inHg
Wind9.7 mph S
Humidity35%
Visibility—
Dew point32°
Wed, 2167° / 45°0
Morning53°feels 50°
Afternoon64°feels 62°
Evening58°feels 56°
Overnight53°feels 51°
67 °
Islay, Wednesday, 21 October
Clear. High 67°, low 45°.
Pressure29.85 inHg
Wind9.8 mph E
Humidity27%
Visibility—
Dew point28°
Thu, 2264° / 48°0.04
Morning54°feels 51°
Afternoon61°feels 59°
Evening56°feels 53°
Overnight48°feels 42°
64 °
Islay, Thursday, 22 October
Light rain. High 64°, low 48°.
Pressure29.74 inHg
Wind18.5 mph NW
Humidity32%
Visibility—
Dew point30°
Fri, 2347° / 34°1.09
Morning39°feels 30°
Afternoon35°feels 25°
Evening37°feels 27°
Overnight38°feels 27°
47 °
Islay, Friday, 23 October
Snow. High 47°, low 34°.
Pressure29.94 inHg
Wind25.9 mph W
Humidity100%
Visibility—
Dew point35°
Sat, 2444° / 33°0
Morning35°feels 24°
Afternoon40°feels 34°
Evening40°feels 34°
Overnight37°feels 29°
44 °
Islay, Saturday, 24 October
Clear. High 44°, low 33°.
Pressure30.27 inHg
Wind28 mph W
Humidity76%
Visibility—
Dew point32°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Islay, WY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.