10-day forecast for Islandia, NY: 64° to 90°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Sunday, August 9
84° · 0.14 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 71°0
Morning75°feels 74°
Afternoon86°feels 88°
Evening77°feels 78°
Overnight72°feels 71°
88 °
Islandia, Monday, 10 August
Light rain. High 88°, low 71°.
Pressure29.97 inHg
Wind6 mph S
Humidity44%
Visibility6.2 mi
Dew point59°
Tue, 1189° / 74°0.04
Morning75°feels 76°
Afternoon86°feels 87°
Evening83°feels 83°
Overnight74°feels 74°
89 °
Islandia, Tuesday, 11 August
Light rain. High 89°, low 74°.
Pressure29.80 inHg
Wind7.3 mph NW
Humidity52%
Visibility6.2 mi
Dew point64°
Wed, 1281° / 72°0
Morning73°feels 73°
Afternoon80°feels 82°
Evening77°feels 78°
Overnight75°feels 74°
81 °
Islandia, Wednesday, 12 August
Overcast. High 81°, low 72°.
Pressure29.74 inHg
Wind7.3 mph SE
Humidity54%
Visibility6.2 mi
Dew point61°
Thu, 1384° / 70°0.14
Morning73°feels 74°
Afternoon82°feels 82°
Evening81°feels 80°
Overnight74°feels 75°
84 °
Islandia, Thursday, 13 August
Light rain. High 84°, low 70°.
Pressure29.71 inHg
Wind13.6 mph NW
Humidity53%
Visibility—
Dew point61°
Fri, 1476° / 65°0
Morning66°feels 65°
Afternoon71°feels 70°
Evening75°feels 74°
Overnight67°feels 66°
76 °
Islandia, Friday, 14 August
Clear. High 76°, low 65°.
Pressure29.97 inHg
Wind16.3 mph NW
Humidity42%
Visibility—
Dew point45°
Sat, 1579° / 64°0
Morning65°feels 64°
Afternoon71°feels 70°
Evening78°feels 77°
Overnight69°feels 68°
79 °
Islandia, Saturday, 15 August
Clear. High 79°, low 64°.
Pressure30.06 inHg
Wind14.2 mph NW
Humidity42%
Visibility—
Dew point45°
Sun, 1680° / 66°0
Morning69°feels 68°
Afternoon77°feels 76°
Evening78°feels 78°
Overnight70°feels 69°
80 °
Islandia, Sunday, 16 August
Overcast. High 80°, low 66°.
Pressure30.12 inHg
Wind8.9 mph N
Humidity35%
Visibility—
Dew point45°
Mon, 1779° / 69°0.01
Morning71°feels 70°
Afternoon76°feels 76°
Evening76°feels 76°
Overnight70°feels 71°
79 °
Islandia, Monday, 17 August
Light rain. High 79°, low 69°.
Pressure30.03 inHg
Wind10.1 mph SW
Humidity47%
Visibility—
Dew point53°
Tue, 1880° / 68°0.02
Morning71°feels 71°
Afternoon79°feels 78°
Evening78°feels 78°
Overnight74°feels 74°
80 °
Islandia, Tuesday, 18 August
Light rain. High 80°, low 68°.
Pressure30.03 inHg
Wind8.9 mph S
Humidity46%
Visibility—
Dew point55°
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 Islandia, NY 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.