Records for Hillsboro Area, Oregon (HIOthr) on 08-26
Record Highs
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1: 99°F (1935)
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2: 96°F (2016)
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3: 96°F (2006)
Record Lows
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1: 39°F (1955)
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2: 41°F (2009)
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3: 41°F (1969)
Lowest Highs
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1: 60°F (1958)
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2: 59°F (1996)
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3: 58°F (2002)
Highest Lows
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1: 65°F (1966)
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2: 66°F (1960)
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3: 67°F (1942)
Highest August temperature:
106°F on 08-17-1977.
Lowest August temperature:
30°F on 08-30-1930.
Average temperature is 65.9°F
Average high is 81.1°F
Average low is 50.7°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 0.50" (1997)
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2: 0.29" (1941)
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3: 0.24" (2013)
Precipitation data from 1929 to 2022.