Records for Islip Area, New York (ISPthr) on 08-26
Record Highs
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1: 93°F (2016)
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2: 92°F (2021)
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3: 90°F (2009)
Record Lows
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1: 50°F (1977)
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2: 52°F (1981)
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3: 53°F (2004)
Lowest Highs
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1: 74°F (2021)
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2: 73°F (2016)
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3: 72°F (1998)
Highest Lows
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1: 70°F (2006)
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2: 71°F (1981)
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3: 72°F (1977)
Highest August temperature:
100°F on 08-02-1975.
Lowest August temperature:
45°F on 08-30-1986.
Average temperature is 73.6°F
Average high is 79.5°F
Average low is 67.7°F
Temperature data from 1963 to 2022.
Record Precipitation
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1: 0.92" (1999)
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2: 0.66" (1967)
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3: 0.31" (1998)
Precipitation data from 1963 to 2022.