Records for Sterling-Dulles Airport Area, Virginia (IADthr) on 08-18
Record Highs
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1: 98°F (2009)
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2: 97°F (2002)
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3: 95°F (1995)
Record Lows
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1: 45°F (1981)
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2: 56°F (1977)
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3: 56°F (1970)
Lowest Highs
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1: 75°F (2017)
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2: 74°F (2002)
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3: 73°F (2021)
Highest Lows
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1: 71°F (1985)
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2: 72°F (2013)
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3: 72°F (2000)
Highest August temperature:
104°F on 08-20-1983.
Lowest August temperature:
38°F on 08-29-1982.
Average temperature is 75.7°F
Average high is 86°F
Average low is 65.5°F
Temperature data from 1960 to 2022.
Record Precipitation
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1: 1.39" (2010)
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2: 0.89" (1965)
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3: 0.85" (1985)
Precipitation data from 1960 to 2022.