Records for Ontario Area, Oregon (ONOthr) on 08-20
Record Highs
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1: 107°F (1967)
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2: 104°F (1977)
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3: 101°F (2019)
Record Lows
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1: 41°F (1964)
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2: 43°F (1976)
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3: 43°F (1948)
Lowest Highs
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1: 74°F (1961)
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2: 70°F (2013)
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3: 69°F (2022)
Highest Lows
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1: 70°F (1968)
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2: 72°F (2007)
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3: 72°F (1954)
Highest August temperature:
113°F on 08-04-1961.
Lowest August temperature:
33°F on 08-28-1960.
Average temperature is 73.2°F
Average high is 90.3°F
Average low is 56°F
Temperature data from 1945 to 2022.
Record Precipitation
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1: 0.39" (1954)
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2: 0.34" (1959)
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3: 0.21" (1983)
Precipitation data from 1945 to 2022.