Heat in Maine

Events

209

Deaths

0

Injuries

0

Damage

None recorded

• Heat in Maine, December 7, 199830 eventsA southwesterly flow of very mild air ahead of an approaching cold front brought an unusually warm December day to the state.
• Heat in Maine, March 27 to 31, 199824 eventsA west to southwesterly flow of unseasonably mild air brought record or near-record warmth to central and southern Maine during the last five days of the month.
• Heat in Maine, July 2 to 5, 201815 eventsA heat wave with unusually persistent hot and humid conditions occurred across the region from July 2nd through the 5th. Temperatures in the upper 80s and 90s along with dewpoints in the 70s produced heat index readings generally ranging through the 90s.
• Heat in Maine, August 12, 202112 eventsUnseasonably hot temperatures and high dewpoints occurred across the region in advance of a slow moving cold front. Temperatures ranged from around 90 to the mid 90s...with dewpoints in the lower 70s. Apparent temperatures ranged from the mid 90s to low 100's.
• Excessive Heat and Heat in Maine, June 24, 202511 eventsHot humid conditions occurred across northern and eastern Maine during the 24th in advance of an approaching cold front.
• Heat in Maine, August 7, 202210 eventsTemperatures ranged from around 90 to the lower 90s across portions of east-central Maine...to the lower 90s Downeast. Dewpoint temperatures ranged from around 70 to the lower 70s across the region.
• Heat in Maine, August 6 to 7, 20189 eventsTemperatures in the upper 80s and lower 90s...along with dewpoints in the upper 60s...produced dangerous Heat Index values during the afternoons of the 6th and 7th across portions of the region. Heat Index values both afternoons generally ranged from the mid to upper 90s.
• Heat in Maine, August 13, 20219 eventsUnseasonably hot temperatures and high dewpoints persisted for a second day in advance of a slow moving cold front. Several locations reported record high low temperatures. Temperatures ranged from around 90 to the mid 90s...with dewpoints from around 70 to the lower 70s.
• Heat in Maine, July 6, 20239 eventsHigh pressure at the surface and aloft brought hot temperatures and high dew points to the region during the 6th. Afternoon temperatures ranged from the mid 80s to around 90...with dew points from the upper 60s to lower 70s...across much of northern and eastern Maine.
• Heat in Maine, August 11, 20259 eventsStrong high pressure system to the southeast of Maine, as a cold front began to approach from the northwest. This resulted in temperatures in the mid 90s and dew points in the 70s, with heat indices reaching in to the mid-90s to around 100 for most of northern and central Maine.
• Heat in Maine, August 12, 20258 eventsStrong high pressure system to the southeast of Maine, as a cold front began to approach from the northwest.
• Heat in Maine, August 13, 20258 eventsStrong high pressure system to the southeast of Maine, as a cold front began to approach from the northwest.
• Heat in Maine, July 20, 20197 eventsUnusually hot temperatures occurred across the region during the 20th. Across portions of the Central Highlands and Downeast Maine apparent temperatures reached Heat Advisory levels.
• Heat in Maine, August 11, 20206 eventsTemperatures ranging from the upper 80s to around 90...along with dewpoints from the upper 60s to lower 70s...combined to produce Heat Index readings in the mid to upper 90s.
• Heat in Maine, June 19, 20206 eventsTemperatures in the 90s...along with dewpoints ranging from around 60 to the lower 60s...combined to produce apparent temperatures in the mid to upper 90s across portions of the region. The actual high temperature of 96 at Caribou tied the all time record high.
• Heat in Maine, July 20, 20205 eventsTemperatures ranging from the upper 80 to lower 90s...along with dewpoints of around 70 to the lower 70s...combined to produce Heat Index readings in the mid to upper 90s.
• Heat in Maine, June 28, 20215 eventsUnseasonably hot temperatures occurred in advance of a slow moving cold front. High temperatures across portions of west-central and Downeast Maine ranged from around 90 to the mid 90s...with dewpoints of around 70 to the lower 70s.
• Heat in Maine, June 29, 20215 eventsUnseasonably hot temperatures occurred in advance of a slow moving cold front. High temperatures across Downeast Maine generally ranged from around 90 to the mid 90s...with dewpoint temperatures in the upper 60s to around 70.
• Heat in Maine, August 26, 20215 eventsUnseasonably hot temperatures and high dewpoints occurred across portions of east-central and Downeast Maine in advance of an approaching cold front. Temperatures ranged from around 90 to the lower 90s...with dewpoints from the upper 60s to around 70.
• Heat in Maine, June 7, 20214 eventsHigh pressure brought unseasonable warmth to the region during the 7th. High temperatures ranged from around 90 to the mid 90s. Dewpoint temperatures ranged from the lower to mid 60s...producing apparent temperatures in the mid 90s across portions of the region.
• Heat in Maine, August 4, 20223 eventsTemperatures of around 90 to the lower 90s...with dewpoints in the upper 60s to around 70...occurred across portions of interior Downeast Maine during the 4th. The combination of temperatures and dewpoints produced apparent temperatures in the mid to upper 90s.
• Heat in Maine, September 7, 20233 eventsHigh pressure brought late season warmth to the region. Temperatures reached the mid to upper 80s...with dew points around 70. This produced Heat Index values generally in the mid 90s...locally 100 to 105.
• Heat in Maine, July 17, 20243 eventsTemperatures in the mid to upper 80s...with dewpoints in the lower 70s...produced Heat Index values in the mid 90s across portions of Downeast Maine for a second consecutive day.
• Heat in Maine, July 7, 20253 eventsCold front began to pass through Maine, but moved very slowly and became stationary. As a result, central Maine was stuck in the warm sector of the cold front for majority of the day on July 7th, resulting in some hot temperatures for Downeast Maine.
• Heat in Maine, August 2, 20242 eventsTemperatures in the lower 90s combined with dewpoints around 70 to produce Heat Index values ranging from the mid 90s to around 100 during the afternoon.

Heat everywhereEvery kind of event in Maine

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.