COLDESTSINCE.COMBrowse statesThe AlmanacYear in ReviewThe Wire
COLD94
Coldest Since
National Cold Records
Maine · THREADEX · 1939–2026

Caribou, ME

46.870°N, 68.017°W · station CARthr · 88 years of record
45°F
forecast low · Sep 7

7-Day Forecast

NWS NDFD forecast low temperature for Caribou.
47°WED9/251°THU9/356°FRI9/452°SAT9/547°SUN9/645°MON9/749°TUE9/8

This Day in History

Every year's low on each of the next 7 forecast dates at Caribou — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.

Ranks

#26 / 87
coldest Sep 7 in 87 yrs of record

Coldest Sep 7 ever

33°F
set in 1962

Mildest Sep 7 ever

67°F
set in 1945
Forecast low 45°F — 26th coldest Sep 7 of 87 years · record 33°F (1962) · coldest since 2022.
1939: 43°F1940: 39°F1941: 48°F1942: 45°F1943: 62°F1944: 54°F1945: 67°F1946: 48°F1947: 56°F1948: 53°F1949: 38°F1950: 48°F1951: 50°F1952: 41°F1953: 57°F1954: 38°F1955: 43°F1956: 55°F1957: 45°F1958: 52°F1959: 55°F1960: 35°F1961: 41°F1962: 33°F1963: 48°F1964: 48°F1965: 46°F1966: 46°F1967: 41°F1968: 44°F1969: 45°F1970: 51°F1971: 56°F1972: 47°F1973: 51°F1974: 46°F1975: 46°F1976: 49°F1977: 43°F1978: 40°F1979: 46°F1980: 48°F1981: 49°F1982: 42°F1983: 56°F1984: 44°F1985: 53°F1986: 40°F1987: 53°F1988: 38°F1989: 52°F1990: 43°F1991: 49°F1992: 50°F1993: 48°F1994: 47°F1995: 44°F1996: 50°F1997: 49°F1998: 47°F1999: 66°F2000: 34°F2001: 52°F2002: 56°F2003: 49°F2004: 46°F2005: 48°F2006: 44°F2007: 56°F2008: 61°F2009: 40°F2010: 56°F2011: 47°F2012: 55°F2013: 49°F2014: 43°F2015: 66°F2016: 51°F2017: 52°F2018: 43°F2019: 45°F2020: 42°F2021: 52°F2022: 45°F2023: 59°F2024: 52°F2025: 49°F45° forecast303540455055606570194019501960197019801990200020102020
📖 Caribou's full Climate Almanac →

The Numbers

Forecast low · Sep 745°F
Coldest this date since2022
This-date record33°F
This-date rank#26 of 87
Coldest at any time since2026
All-time record-41°F (1955)
Odds to tie/break0.0% (daily)
Period of record1939–2026

Record Book

The hottest and coldest ever recorded at Caribou in each calendar month, and for the whole 1939–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan53°FJan 15, 1995-37°FJan 16, 2009
Feb59°FFeb 20, 1994-41°FFeb 1, 1955
Mar75°FMar 21, 2012-28°FMar 2, 2001
Apr86°FApr 27, 1990-4°FApr 6, 2015
May96°FMay 22, 197718°FMay 2, 1974
Jun96°FJun 29, 194430°FJun 7, 1958
Jul95°FJul 23, 195236°FJul 7, 1969
Aug95°FAug 14, 194434°FAug 26, 1942
Sep92°FSep 1, 201023°FSep 22, 1950
Oct83°FOct 6, 202514°FOct 22, 1940
Nov75°FNov 10, 2020-8°FNov 30, 1995
Dec60°FDec 1, 2020-31°FDec 30, 1989
All-time96°FJun 29, 1944-41°FFeb 1, 1955

2026 Records So Far

Records set or tied at Caribou so far this year — through Aug 30.

Record Highs in 2026

3 broke
plus 2 tied — daily record highs set this year

Record Lows in 2026

1 broke
plus 1 tied — daily record lows set this year

Record Warm Nights & Cold Days

Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.

Warmest low ever

71°F
record high minimum — the night it never cooled · Jul 31, 1970

Coldest high ever

-16°F
record low maximum — the day it never warmed · Jan 4, 1981
MonthWarmest lowColdest high
Jan41°FJan 4, 1950-16°FJan 4, 1981
Feb42°FFeb 20, 1994-10°FFeb 1, 1955
Mar46°FMar 22, 2012-7°FMar 3, 1950
Apr54°FApr 27, 197911°FApr 5, 1995
May69°FMay 23, 197730°FMay 7, 1966
Jun71°FJun 19, 202443°FJun 1, 1945
Jul71°FJul 31, 197054°FJul 1, 1988
Aug70°FAug 12, 194451°FAug 24, 1963
Sep67°FSep 7, 194539°FSep 30, 1992
Oct64°FOct 25, 201728°FOct 27, 1957
Nov59°FNov 6, 202211°FNov 27, 1978
Dec50°FDec 1, 2020-10°FDec 19, 1942
All-time71°FJul 31, 1970-16°FJan 4, 1981

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

148 days
record run, ended Apr 12 2001

So far in 2026

113 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Caribou's own 1991–2020 record. Today's normal low: 48°F · forecast is -3° vs normal.
Jan: 20°FJan: 2°FFeb: 24°FFeb: 4°FMar: 34°FMar: 15°FApr: 47°FApr: 29°FMay: 63°FMay: 41°FJun: 72°FJun: 50°FJul: 77°FJul: 56°FAug: 75°FAug: 54°FSep: 67°FSep: 46°FOct: 53°FOct: 35°FNov: 39°FNov: 25°FDec: 27°FDec: 12°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:51 AM
Sunset6:12 PM
Solar noon11:32 AM
Daylight13h 21m · losing 22 min/wk
Local standard time (no DST), level horizon.

Location

46.87°N, 68.02°W

Nearby Stations

Millinocket, ME90 mi SWBangor, ME148 mi SPortland, ME249 mi SWBurlington, VT298 mi SWPlattsburgh, NY304 mi WConcord, NH305 mi SW

The Last 6 Weeks

Caribou's observed daily low for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Caribou, ME — last six weeks of daily low

2026 So Far

Every day this year against Caribou's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Caribou, ME — 2026 daily low trace
Download year chart

Every Day Since 1939

Each cell is one day's low at Caribou, coloured by temperature — 88 years of record, so heat waves read as warm streaks and cold snaps as blue.
Caribou, ME daily low heat map 1939–2026

Days Below the Mark

How many days a year hit a given low at Caribou — counted through Sep 7 each year, so you can see whether 2026 is running cold. Pick a threshold:
113 days ≤32°F so far in 2026 — tied for the 45th most in 88 years. Normal for this point: 113. Record: 132 in 1967.

Share Card

A ready-to-share summary of Caribou's outlook — post it, or link this page.
Caribou, ME cold share card
Download card
See Caribou on hottestsince.com →