Portland March Weather

Averages and records for weather in Portland, Maine in the month of March.
Typical Portland March Weather
1991–2020
Average daily high 42.0 °F
Average daily low 25.1 °F
Average monthly precipitation 4.1 inches
Average monthly snow 13.5 inches
Daily chance of precipitation 36.5%
Daily chance of snow 16.6%
Portland March Weather Records
1871–2024
Highest temperature 88 °F March 31, 1998
Lowest temperature -21 °F March 4, 1950
Highest daily low 53 °F March 23, 2012
Lowest daily high 9 °F March 3, 1950
Hottest average high temperature 51.4 °F 1946
Coldest average high temperature 33.8 °F 1906
Most daily precipitation 3.5 inches March 31, 1951
Most monthly precipitation 11.2 inches 2010
Most daily snow 19.8 inches March 13, 1939
Most monthly snow 49.0 inches 1993
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
March 1 38.0 20.9 58 -5
March 2 38.2 21.2 57 -9
March 3 38.5 21.5 61 -10
March 4 38.7 21.7 61 -21
March 5 38.9 22.0 61 -4
March 6 39.1 22.2 60 -13
March 7 39.2 22.3 68 -6
March 8 39.3 22.5 60 0
March 9 39.5 22.7 70 -10
March 10 39.7 22.9 66 -8
March 11 39.9 23.2 62 -1
March 12 40.3 23.5 63 1
March 13 40.7 23.8 67 0
March 14 41.1 24.3 70 -2
March 15 41.5 24.7 67 2
March 16 41.9 25.1 67 5
March 17 42.3 25.4 64 -3
March 18 42.7 25.8 70 -6
March 19 43.0 26.2 71 -10
March 20 43.4 26.5 78 4
March 21 43.7 26.9 79 4
March 22 44.1 27.2 82 5
March 23 44.3 27.5 70 5
March 24 44.7 27.8 68 6
March 25 45.0 28.1 74 0
March 26 45.3 28.3 74 -5
March 27 45.7 28.6 74 10
March 28 46.1 28.9 75 0
March 29 46.5 29.2 86 -3
March 30 46.9 29.4 75 11
March 31 47.5 29.8 88 10
Weather Station Details
Years Station Coordinates
1940–2024 Portland International JetPort location
1871–1940 Portland location