Records for Portland Area, Maine (PWMthr) on 04-21
Record Highs
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1: 85°F (1957)
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2: 77°F (1996)
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3: 75°F (1977)
Record Lows
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1: 23°F (1962)
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2: 25°F (1961)
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3: 26°F (1979)
Lowest Highs
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1: 50°F (2012)
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2: 50°F (1957)
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3: 49°F (1996)
Highest Lows
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1: 40°F (1981)
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2: 40°F (1947)
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3: 40°F (1943)
Highest April temperature:
92°F on 04-28-2009.
Lowest April temperature:
8°F on 04-04-1954.
Average temperature is 46.7°F
Average high is 56.2°F
Average low is 37.2°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 4.21" (1991)
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2: 1.70" (2009)
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3: 1.49" (2015)
Precipitation data from 1871 to 2022.