WETTESTSINCE
Maine · precipitation record 1871–2026

Portland, ME

THIS MONTH · 2026
DRIEST THIS MONTH SINCE 1950
0.53in
2nd driest of 156 years · normal 2.53"
📖 Portland's full Precipitation Almanac →
rain ahead · next 3 days
1.17" of rain forecast
the 3-day record here is 14.67"
1.17in

Accumulation

TODAY
0.0in
no rain yet of 155 yrs
MONTH TO DATE
0.53in
2nd driest of 156 yrs
21% of normal
LAST 90 DAYS
13.73in
20th wettest of 156 yrs
149% of normal
YEAR TO DATE
23.93in
65th driest of 156 yrs
97% of normal

Extremes & Streaks

Biggest Day on Record

11.74in
on Oct 21, 1996 · in 156 years

Dry Streak

5days
current run under 0.01" · longest ever 28 days (to Oct 28, 1947)

Wet Streak

0days
consecutive days with rain · longest ever 14 days

Year to Date vs Normal

97%
23.93" of a normal 24.71" · wettest 39.09" (1979) · driest 12.53" (1871)

Wettest & Driest Years

The extremes of a 149-year record (1872–2025) — full calendar-year totals. The long-run average is 43.75" a year.

Wettest Years on Record

1200566.4in
2198366.33in
3200861.24in
4197961.15in
5200660.85in

Driest Years on Record

1194125.28in
2195726.35in
3196528.15in
4190830.74in
5188331.99in

Rainfall by Month

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Dec (~3.98") and driest in Aug (~2.75"). Wettest calendar month ever: Oct 1996, 16.86".

This Day in History · Rainfall

Every year's rainfall on each of the next 7 dates at Portland — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Wettest Jul 28 ever

4.25in
set in 1939

Rain on Jul 28

39%
of 155 years had measurable rain
1871: 0.00″1872: 0.00″1873: 0.00″1874: 0.00″1875: 0.00″1876: 0.01″1877: 0.05″1878: 0.00″1879: 0.00″1880: 0.00″1881: 0.04″1882: 0.03″1883: 0.25″1884: 0.43″1885: 0.00″1886: 0.01″1887: 0.01″1888: 0.01″1889: 0.02″1890: 0.00″1891: 0.00″1892: 0.00″1893: 0.00″1894: 0.00″1895: 0.82″1896: 0.37″1897: 0.00″1898: 0.02″1899: 0.00″1900: 0.00″1901: 0.34″1902: 0.00″1903: 0.00″1904: 0.00″1905: 0.00″1906: 0.00″1907: 0.00″1908: 0.01″1909: 0.00″1910: 0.42″1911: 2.79″1912: 0.00″1913: 0.02″1914: 0.00″1915: 0.01″1916: 0.00″1917: 0.00″1918: 0.01″1919: 0.00″1920: 0.00″1921: 0.63″1922: 0.00″1923: 0.65″1924: 0.00″1925: 0.01″1926: 0.00″1927: 0.00″1928: 0.14″1929: 0.00″1930: 0.00″1931: 0.00″1932: 0.13″1933: 0.00″1934: 1.16″1935: 0.00″1936: 0.00″1937: 0.00″1938: 0.83″1939: 4.25″1940: 0.00″1941: 0.26″1942: 0.00″1943: 0.02″1944: 0.00″1945: 0.05″1946: 0.00″1947: 0.11″1948: 0.00″1949: 0.00″1950: 0.00″1951: 1.24″1952: 0.00″1953: 0.00″1954: 0.07″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.00″1959: 0.00″1960: 0.01″1961: 0.00″1962: 0.00″1963: 0.00″1964: 0.00″1965: 0.00″1966: 0.10″1967: 0.26″1968: 0.00″1969: 1.50″1970: 0.00″1971: 0.00″1972: 0.09″1973: 0.00″1974: 0.57″1975: 0.02″1976: 0.00″1977: 0.00″1978: 0.06″1979: 0.01″1980: 0.00″1981: 0.01″1982: 1.12″1983: 0.00″1984: 0.06″1985: 0.00″1986: 0.00″1987: 0.00″1988: 0.00″1989: 0.37″1990: 0.02″1991: 0.00″1992: 0.00″1993: 0.00″1994: 0.62″1995: 0.05″1996: 0.00″1997: 0.00″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.33″2003: 0.00″2004: 0.35″2005: 0.00″2006: 0.36″2007: 0.15″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.00″2012: 0.03″2013: 0.10″2014: 0.90″2015: 0.02″2016: 0.00″2017: 0.00″2018: 0.15″2019: 0.00″2020: 0.00″2021: 0.01″2022: 0.27″2023: 0.00″2024: 0.00″2025: 0.00″0″1″2″3″4″5″188018901900191019201930194019501960197019801990200020102020

This Year's Rainfall

Portland's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Portland, ME — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Portland's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
Portland, ME — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise4:27 AM
Sunset7:08 PM
Solar noon11:47 AM
Daylight14h 41m
Local standard time (no DST), level horizon.

Location

43.64°N, 70.30°W

Nearby Stations

Concord, NH67 mi WManchester, NH75 mi SWBoston, MA95 mi SWMilton, MA106 mi SWBangor, ME108 mi NEWorcester, MA123 mi SW

Share Card

Portland, ME precipitation share card
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