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Hermon, Maine 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Hermon ME
National Weather Service Forecast for: Hermon ME
Issued by: National Weather Service Caribou, ME
Updated: 3:52 pm EDT Jun 26, 2025
 
Tonight

Tonight: Partly cloudy, with a low around 50. West wind around 6 mph becoming calm  in the evening.
Partly Cloudy


Friday

Friday: Mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Mostly Sunny


Friday
Night
Friday Night: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 53. Southeast wind 3 to 6 mph.  Chance of precipitation is 40%.
Chance
Showers

Saturday

Saturday: Rain and possibly a thunderstorm before 11am, then rain between 11am and 2pm, then rain and possibly a thunderstorm after 2pm.  Patchy fog before 10am. High near 60. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Rain and
Patchy Fog

Saturday
Night
Saturday Night: Rain and possibly a thunderstorm before midnight, then a chance of showers, mainly between midnight and 5am.  Patchy fog after 10pm. Low around 54. East wind 5 to 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Rain and
Patchy Fog
then Chance
Showers and
Patchy Fog
Sunday

Sunday: A slight chance of showers before 11am.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 72. North wind around 6 mph.  Chance of precipitation is 20%.
Slight Chance
Showers and
Patchy Fog
then Partly
Sunny
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 56. North wind around 5 mph becoming calm  in the evening.
Mostly Cloudy


Monday

Monday: Partly sunny, with a high near 80.
Partly Sunny


Monday
Night
Monday Night: A slight chance of showers after 9pm.  Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Slight Chance
Showers

Lo 50 °F Hi 75 °F Lo 53 °F Hi 60 °F Lo 54 °F Hi 72 °F Lo 56 °F Hi 80 °F Lo 60 °F

 

Tonight
 
Partly cloudy, with a low around 50. West wind around 6 mph becoming calm in the evening.
Friday
 
Mostly sunny, with a high near 75. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
 
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 53. Southeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
 
Rain and possibly a thunderstorm before 11am, then rain between 11am and 2pm, then rain and possibly a thunderstorm after 2pm. Patchy fog before 10am. High near 60. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
 
Rain and possibly a thunderstorm before midnight, then a chance of showers, mainly between midnight and 5am. Patchy fog after 10pm. Low around 54. East wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A slight chance of showers before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 72. North wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
 
Mostly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.
Monday
 
Partly sunny, with a high near 80.
Monday Night
 
A slight chance of showers after 9pm. Partly cloudy, with a low around 60. Chance of precipitation is 20%.
Tuesday
 
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Wednesday
 
A slight chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
 
Mostly clear, with a low around 61.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Hermon ME.

Weather Forecast Discussion
334
FXUS61 KCAR 262050
AFDCAR

Area Forecast Discussion
National Weather Service Caribou ME
450 PM EDT Thu Jun 26 2025

.SYNOPSIS...
High pressure will remain across the region Friday. Low
pressure approaches from the west Friday night and Saturday,
crosses Maine Saturday night, then exits across the Maritimes
Sunday and Sunday night. A warm front will cross the area
Monday into Tuesday.
&&

.NEAR TERM /THROUGH FRIDAY/...
Surface high pressure remains ridged across the region tonight
into Friday. An upper level disturbance will exit the region
early tonight with decreasing mid/high level clouds in the wake
of the disturbance. Mostly clear skies will then occur
overnight. Low pressure across the Great Lakes will begin to
draw a warm front toward the region later Friday. After a
mostly sunny morning, clouds will increase Friday afternoon.
Low temperatures tonight will generally range from around 40 to
the lower 40s across northern areas. However, localized upper
30s are also possible across the normally coldest northwest
valley locations. Low temperatures Downeast will range from the
upper 40s to around 50. High temperatures Friday will range
from around 70 to the lower 70s north, to the lower to mid 70s
Downeast.
&&

.SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/...
Clouds increase Friday evening in advance of low pressure advancing
east from the Great Lakes region. At the same time, high pressure
will continue to slide east into the western atlantic to the
south of Nova Scotia. A south to southeast flow around these
systems will result in increasing precipitable water values (1.0
to 2.0 inches) across the region Friday night. Rain is expected
to develop Friday evening, with the greatest rain chances
across the western portions of the forecast area, where the best
lift will be focused in advance of the developing warm front.
Saturday is expected to be an unseasonably cool, cloudy, and
damp day. The best lift/focus for rainfall will continue to be
across the central Maine Highlands and Downeast areas, in the
vicinity of the boundary, with lesser chances further north.
Rainfall totals through Saturday night are expected to range
from less than one-quarter inch across the St. John Valley, and
from one-inch to an inch and a half across the rest of the
region. Some locally higher amounts are possible across the
higher terrain of Piscataquis county in the favored upslope
regions. Unsettled and damp weather conditions are expected to
continue, at least through early Sunday until the 500 MB short
wave moves east.
&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
Ridging builds in Sunday night through Monday, with a drying trend
expected. It will become a bit more humid. Another frontal
boundary approaches from the west later Monday night and
crosses the region Tuesday into Tuesday night. Expect an
increasing chance for showers later Monday night and the chance
for showers and thunderstorms on Tuesday. Another weak ridge
build in for Wednesday night into early Thursday, before the
next system crosses the region by Thursday. Afternoon highs
will be near to a bit above normal for this time of year.
&&

.AVIATION /20Z THURSDAY THROUGH TUESDAY/...
NEAR TERM: VFR conditions expected tonight through Friday.
Variable winds 5 to 10 knots tonight into Friday.

SHORT TERM:

Fri night...VFR to the N of KHUL, but becoming MVFR or lower
elsewhere. Chance of rain. SE to S wind 10 to 15 kt.

Sat through Sun...MVFR/IFR. Highest confidence in IFR at
KHUL/KBGR/KBHB. Rain. S to SW wind. LLWS possible Sat through Sat
night.

Sun night through Tuesday...Mainly VFR but chance MVFR in any
showers.
&&

.MARINE...
NEAR TERM: Winds/seas below small craft advisory levels tonight
through Friday.

SHORT TERM: Seas could approach SCA levels across the outer
waters Saturday night. Visibility will be reduced to 1 to 3 NM
in rain and patchy fog Friday night into Sunday.
&&

.CAR WATCHES/WARNINGS/ADVISORIES...
ME...Beach Hazards Statement from Friday morning through Friday
     evening for MEZ029-030.
MARINE...None.

&&

$$


Near Term...Norcross
Short Term...TWD
Long Term...TWD
Aviation...Norcross/TWD
Marine...Norcross/TWD
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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