Winchester NH Weather Tomorrow and Today 2.28.2022 and 2.27.2022, temp currently is Overcast
More on current conditions
S 9 mph
29.93 in (1014.5 mb)
Wind Chill19°F (-7°C)
27 Feb 8:56 am EST
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7 Day Winchester NH Weather Tomorrow and Today 2.28.2022 and 2.27.2022
Partly SunnyHigh: 37 °F
Slight ChanceSnow Showersthen PartlyCloudyLow: 7 °F
SunnyHigh: 24 °F
Mostly CloudyLow: 4 °F
Mostly Cloudythen ChanceRain/SnowHigh: 36 °F
ChanceRain/Snowthen MostlyCloudyLow: 25 °F
Mostly SunnyHigh: 39 °F
Chance SnowShowersLow: 21 °F
Partly SunnyHigh: 33 °F
We hope you like this weather data for Winchester NH Weather Tomorrow and Today 2.28.2022 and 2.27.2022. Also for the rest of the week, too!
TodayPartly sunny, with a high near 37. West wind 10 to 15 mph, with gusts as high as 30 mph. TonightA 20 percent chance of snow showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -1. Northwest wind around 10 mph, with gusts as high as 25 mph. MondaySunny, with a high near 24. Wind chill values as low as -2. Northwest wind 5 to 10 mph. Monday NightMostly cloudy, with a low around 4. Calm wind. TuesdayA chance of rain and snow showers after 3pm. Mostly cloudy, with a high near 36. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.Tuesday NightA chance of rain and snow before 7pm, then a chance of snow between 7pm and 11pm. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.WednesdayMostly sunny, with a high near 39.Wednesday NightA 30 percent chance of snow showers. Mostly cloudy, with a low around 21.ThursdayPartly sunny, with a high near 33.Thursday NightMostly clear, with a low around 4.FridayMostly sunny, with a high near 32.Friday NightPartly cloudy, with a low around 14.SaturdayPartly sunny, with a high near 41.
Here’s a detailed discussion below that you might like for Winchester NH Weather Tomorrow and Today 2.28.2022 and 2.27.2022.
Area Forecast Discussion Issued by NWS Portland, MEHome | Current Version | Previous Version | Text Only | Print | Product List | Glossary OffVersions: 1
FXUS61 KGYX 271515
Area Forecast Discussion
National Weather Service Gray ME
1015 AM EST Sun Feb 27 2022
A strong Arctic front will approach the area by
this afternoon and quickly push south through the afternoon.
Snow showers and gusty winds will occur along the boundary. Cold
and blustery tonight with low wind chills behind the front.
High pressure will dominate the weather tomorrow before a quick
hitting clipper system approaches the region Tuesday night.
.NEAR TERM /THROUGH TONIGHT/…
1015 AM Update… The incoming 12Z CAM guidance remains
consistent with a strong signal for heavy snow showers and
squalls forming along an Arctic boundary that will push through
this afternoon and evening. Have made minor tweaks to PoPs based
on incoming guidance, which did not result in any significant
changes to timing of the line of heavy snow showers and squalls.
Have also made some tweaks to near term temperatures and sky
cover based on latest observed trends.
700 AM…A few small changes to the forecast this morning, but
overall no significant changes for this update. Latest HRRR
guidance is remaining consistent on the possibility of a line of
snow squalls this afternoon.
Low level moisture is pushing into western NH and the western
Maine mountains with some spill over into southern NH this
morning. This will be the trend through the day as the arctic
boundary begins to push into the international border by the
afternoon. Snow shower activity will begin to increase across
the north by noon ahead of the actual frontal boundary. The
boundary itself is progged to push south through the afternoon
and clear the coast by evening. The HRRR has been consistent
over the past 6 hours showing a well defined squall line pushing
through the region this afternoon and evening. Bufkit soundings
look very conducive for snow squall formation with CAPE values
around 150 J/kg and mixing up to about 10K feet. Strong low
level winds are also associated ahead and behind the boundary.
Overall the threat for snow squalls is increasing this afternoon
with the highest threat north and decreasing as you move south
with the lowest threat along the NH/MA border. Have increased
pops and introduced blowing snow along the boundary in the
forecast to time the potential windows for snow squall activity.
Trends will have to monitored today, but the potential for SPS
and maybe even a few SQW products is in the cards.
Tonight winds will shift from westerly to northwesterly behind
the boundary with temperatures quickly plunging well below
freezing with wind chill values dropping below zero near the
coast and down to -20F across the mountains where a wind chill
advisory has been issued. Snow shower activity with linger on
the normal NW upslope locations of Northern NH and the Western
Maine Mtns through above midnight before ending. Overall it will
be a cold night tonight with well below normal temperatures.
.SHORT TERM /MONDAY/…
The big story tomorrow will be the cold weather, especially in
the morning with sub-zero wind chills. Temps will rebound a bit
with highs reaching into the 20s, but will still be running
around 15 degrees below normal for this time of year. One good
thing is there will be plenty of sunshine and the winds will be
letting by midday as the pressure gradient weakens across the
region with a 1024mb surface high cresting across the region by
late afternoon. Overall no significant weather impacts expected
with a nice albeit cold winter day.
.LONG TERM /MONDAY NIGHT THROUGH SATURDAY/…
Overview: Temperatures run slightly below normal as a couple
weak waves bring light snow to the region through mid- week.
End of week warm up possible.
Details: Wed night, high pressure moves overhead with
slackening winds. Winds dont seem to become calm until late,
so it may not be an idea radiational cooling night. Will still
see some of the more common low spots dip below zero, with
single digits elsewhere. A weak trough will move across the
Great Lakes Tuesday, taking on a slight negative tilt through
the evening hours across New England. Sfc low pres strengthens
as upstream mid jet dips across the GL. Precip will develop
across the area as the speedy low pushes across and exits Tues
Expect a fairly widespread light snow event given the quick
pace and short residence time common with clipper systems. The
exception may be enhanced lift areas such as the higher terrain
and a region of ocean effect snow along the mid-coast. This OES
comes as the high drifts away with return flow combining with
WAA ahead of arriving wave. For now, GFS/GEM/NAM are picking up
on this feature well as the sfc low pushes towards the CT
Valley, enhancing snow amts in the mid-coast and Penobscot Bay
before much of the overall system passes over. For now, have
kept this enhanced QPF region north of coastal Cumberland Co,
but cant rule out a few streamers nearing shore here as the
column gradually saturates during the afternoon.
A brief window of high pressure moves overhead for Wed, just
cresting during the daytime before another weak wave drives
into the Northeast. Consensus takes this low a bit further
south, at almost the same clip. Showers associated with this low
taper off Thursday morning. After a cool night Thursday night
amid CAA, the rest of the week consists of increasing temps and
another shot of precip ate weekend. Ridging will try to disrupt
our quick clipper pattern, pushing up through the nations
midsection. Thus, warmer SW will be transported towards the
Northeast. High temps into the weekend may approach 40 degrees
with the chance of rain and snow showers.
.AVIATION /15Z SUNDAY THROUGH THURSDAY/…
Short Term…MVFR cigs possible across KHIE/KLEB today as low
level moisture from the Great Lakes pushes up against the White
Mountains. A arctic boundary will push south this afternoon
bringing the threat for quick hitting snow showers / squalls.
This could bring a rapid onset of IFR/LIFR conditions due to
snow for most TAF terminals late afternoon/evening. In addition
to the snow showers, it will be windy today with gusty westerly
winds becoming northwest by this evening behind the frontal
boundary. VFR conditions after midnight through the day tomorrow
with high pressure in control.
Long Term…VFR set for Tuesday amid fairly light winds. Clouds
will thicken and lower in the evening, first MVFR then IFR as
-SN moves through the region. KRKD and KAUG may see clgs drop
sooner as onshore flow enhances some of this -SN in afternoon.
Restrictions trend VFR early Wed morning, with another round of
-SN possible Wed night.
Short Term…Gale conditions expected by this afternoon as as
sharp frontal boundary approaches from the west. Westerly winds
will increase through the afternoon before becoming northwest
this evening as the front clears the coastal waters. Gale
conditions are expected through the night, with moderate
freezing spray also possible as temperatures drop quickly.
Conditions will improve by tomorrow as high pressure crests over
the coastal waters with decreasing wind speeds and wave heights.
Long Term…Light freezing spray Monday night. Winds and wave
heights remain below SCA through much of Tuesday, but S flow
increases in the evening with building gusts and waves. Low
pressure crosses the waters overnight, with SCA conditions
likely into early Wed morning.
ME…Wind Chill Advisory from 4 AM to 10 AM EST Monday for
NH…Wind Chill Advisory from 4 AM to 10 AM EST Monday for NHZ001-
MARINE…Gale Warning until 10 AM EST Monday for ANZ150>154.
Freezing Spray Advisory from 1 AM to 10 AM EST Monday for
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