Salem, New Hampshire 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Salem NH
National Weather Service Forecast for:
Salem NH
Issued by: National Weather Service Gray/Portland, ME |
Updated: 1:06 am EDT Jul 18, 2025 |
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Overnight
 Partly Cloudy
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Friday
 Sunny
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Friday Night
 Mostly Clear
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Saturday
 Mostly Sunny
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Saturday Night
 Chance Showers
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Sunday
 Chance Showers then Chance T-storms
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Sunday Night
 Mostly Clear
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Lo 68 °F |
Hi 81 °F |
Lo 58 °F |
Hi 86 °F |
Lo 67 °F |
Hi 84 °F |
Lo 61 °F |
Hi 78 °F |
Lo 54 °F |
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Overnight
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Partly cloudy, with a low around 68. Northwest wind around 10 mph, with gusts as high as 30 mph. |
Friday
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Sunny, with a high near 81. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. |
Friday Night
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Mostly clear, with a low around 58. Calm wind. |
Saturday
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Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. |
Saturday Night
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A 40 percent chance of showers after 10pm. Partly cloudy, with a low around 67. Southwest wind around 5 mph. |
Sunday
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A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm. Partly sunny, with a high near 84. Chance of precipitation is 50%. |
Sunday Night
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Mostly clear, with a low around 61. |
Monday
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Sunny, with a high near 78. |
Monday Night
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Mostly clear, with a low around 54. |
Tuesday
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Sunny, with a high near 79. |
Tuesday Night
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Mostly clear, with a low around 57. |
Wednesday
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Sunny, with a high near 83. |
Wednesday Night
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Partly cloudy, with a low around 65. |
Thursday
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Mostly sunny, with a high near 88. |
Forecast from NOAA-NWS
for Salem NH.
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Weather Forecast Discussion
641
FXUS61 KGYX 180248
AFDGYX
Area Forecast Discussion
National Weather Service Gray ME
1048 PM EDT Thu Jul 17 2025
.SYNOPSIS...
Much drier weather arrives Friday, with comfortable temperatures
and breezy westerly winds. The cooler and drier weather will
continue into Saturday. Low pressure will move across New
England Saturday night and Sunday likely bring a period of rain,
possibly heavy for a time. Early next week we return to fair and
seasonable weather.
&&
.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
Lingering showers and a few thunderstorms will end by midnight
as a cold front moves across the region. The exception will be
the northern White Mountains where scattered showers will
persist. Otherwise, a noticble increase in westerly winds will
occur later tonight in the wake of the cold front.
&&
.SHORT TERM /6 AM FRIDAY MORNING THROUGH SATURDAY/...
High pressure builds into the region Friday with a cooler and
drier airmass in place. It looks like a great end to the work
week with clear skies and temperatures in the mid to upper 70s
south of the mountains, and near 80 on the coastal plain. North
of the mountains will be even cooler with high temperatures in
the low 70s. Forecast soundings show good mixing up to 850 mb
Friday morning which would make for a breezy first part of the
day with gusts around 25 mph. These will subside heading toward
the late afternoon/early evening, but it will be enough to add
some chop to the local lakes and near shore ocean waters. For
those planning to enjoy the pleasant day on the water, keep this
in mind.
Winds will go calm overnight and with clear skies this should
amount to some degree of radiational cooling and bringing about
some of the coolest temperatures we have seen of late. Areas
north of the mountains look to bottom out in the upper 40s and
low 50s, with locations to the south falling to the low to mid
50s. The Midcoast and southern coastal plain have the best
chance of staying in the upper 50s to near 60.
High pressure over southern New England will bring a
dry Saturday to the region with temperatures running a few
degrees above normal. Do expect clouds to increase through the
day as flow shifts southerly.
&&
.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
Overnight long term update...Have incorporated the latest NBM
into the long term grids. This yields little change from the
previous forecast. The main weather maker in the long term will
be low pressure moving across our region Saturday night into at
least Sunday morning. A stripe of moderate to locally heavy
rainfall is quite possible during this time although it`s tough
to pin down which areas will see the heaviest rain at this time.
Previously...
Overview: Broad upper level trough will move unsettled weather
through the region into Sunday, with another area of high
pressure moving in to start next week.
Potential Forecast Impacts:
* Thunderstorm potential (particularly intensity) on Sunday
hinges on placement of low pressure and associated warm/cold
front. Widespread rain showers.
Details: High pressure over southern New England will bring a
dry Saturday to the region with temperatures running a few
degrees above normal. Do expect clouds to increase through the
day as flow shifts southerly.
Rain chances increase Saturday evening and overnight as a upper
jet lifts north of Maine followed by sharpening upper level
trough across the eastern Great Lakes. This will bring lift
across New England, resulting in periods of rain with embedded
thunder. Elevated instability appears to wash across much of the
forecast area early Sunday morning, but large amounts of shear
may limit any individual storm depth. Second period of thunder
may be into the Sunday afternoon hours and could be surface
based if recovery occurs between overnight showers. Disclaimer
here is there has been a lack of consistency how this unsettled
period materializes. Therefore confidence in thunderstorm risk
is low, but rain chances likely.
Front/low pressure clears the coast Sunday night, with NW flow
bringing drier and cooler conditions in for Monday and the early
week. Daytime highs Monday top out in the upper 70s while
upslope clouds could keep values in the mid to upper 60s for
N/NW side of the mountains.
After a period of dry weather through midweek, the next chance
of precipitation comes with an approaching front from the west
around the Thursday night/Friday time period.
&&
.AVIATION /03Z FRIDAY THROUGH TUESDAY/...
Short Term...RKD is likely to stay IFR/LIFR for a good portion
of the night, elsewhere elevated winds should stave off any
dense fog and keep many locations VFR as a front scours out the
low level moisture. Low level wind shear is not expected at this
time, but wind gusts behind the front Friday may reach 25 kts
during the morning at all terminals.
Long Term...High pressure shifts east through the day Saturday
with VFR conditions. Clouds thicken and lower in the evening,
potentially towards MVFR/IFR. This continues through Sunday
afternoon with SHRA and some TS, but coverage is uncertain. Flow
shifts NW Monday, with improving conditions.
&&
.MARINE...
Short Term...Wind gusts and seas will stay just shy of SCA
criteria through Friday night, but wind gusts nearing 25 kts
during the morning will likely add some chop to the near shore
waters.
Long Term...Conditions remain below SCA through the period. High
pressure will exit the coast Saturday, with low pressure
nearing Sunday. The moist airmass may allow for marine
fog/stratus development. Winds shift NW behind this system with
a period of dry weather through midweek.
&&
.GYX WATCHES/WARNINGS/ADVISORIES...
ME...None.
NH...None.
MARINE...None.
&&
$$
SYNOPSIS...
NEAR TERM...Baron/Ekster
SHORT TERM...Baron/Ekster
LONG TERM...Cornwell/Ekster
AVIATION...
MARINE...
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