Records for Hillsboro Area, Oregon (HIOthr) on 10-27
Record Highs
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1: 74°F (2017)
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2: 73°F (1987)
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3: 73°F (1944)
Record Lows
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1: 27°F (1970)
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2: 28°F (2020)
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3: 28°F (1954)
Lowest Highs
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1: 54°F (1937)
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2: 52°F (2018)
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3: 51°F (2016)
Highest Lows
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1: 47°F (1971)
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2: 47°F (1956)
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3: 48°F (1991)
Highest October temperature:
92°F on 10-02-1987.
Lowest October temperature:
20°F on 10-31-2006.
Average temperature is 48.9°F
Average high is 58.9°F
Average low is 38.9°F
Temperature data from 1929 to 2022.
Record Precipitation
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1: 1.23" (2018)
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2: 1.22" (1950)
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3: 1.10" (1961)
Precipitation data from 1929 to 2022.