York, Pennsylvania 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for York PA
National Weather Service Forecast for:
York PA
Issued by: National Weather Service State College, PA |
Updated: 3:38 pm EDT Jul 2, 2025 |
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Tonight
 Mostly Clear
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Thursday
 Sunny
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Thursday Night
 Mostly Clear
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Independence Day
 Sunny
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Friday Night
 Mostly Clear
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Saturday
 Sunny
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Saturday Night
 Partly Cloudy
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Sunday
 Mostly Sunny
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Sunday Night
 Partly Cloudy
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Lo 66 °F |
Hi 88 °F |
Lo 63 °F |
Hi 85 °F |
Lo 62 °F |
Hi 87 °F |
Lo 66 °F |
Hi 88 °F |
Lo 69 °F |
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Tonight
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Mostly clear, with a low around 66. Calm wind. |
Thursday
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Sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon. |
Thursday Night
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Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening. |
Independence Day
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Sunny, with a high near 85. Calm wind becoming north around 6 mph in the afternoon. |
Friday Night
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Mostly clear, with a low around 62. Calm wind. |
Saturday
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Sunny, with a high near 87. |
Saturday Night
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Partly cloudy, with a low around 66. |
Sunday
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Mostly sunny, with a high near 88. |
Sunday Night
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Partly cloudy, with a low around 69. |
Monday
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Mostly sunny, with a high near 91. |
Monday Night
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Partly cloudy, with a low around 72. |
Tuesday
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A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%. |
Tuesday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. |
Wednesday
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A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 50%. |
Forecast from NOAA-NWS
for York PA.
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Weather Forecast Discussion
709
FXUS61 KCTP 021950
AFDCTP
Area Forecast Discussion
National Weather Service State College PA
350 PM EDT Wed Jul 2 2025
.SYNOPSIS...
* Drier/less humid/more comfortable conditions are likely for
today through Friday, with a high confidence of dry weather
and seasonable temperatures on Independence Day
* Trending warmer and more humid this weekend; unsettled pattern
returns by Sunday
&&
.NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
Near to slightly below normal PWAT air with abundant sunshine
will continue over the bulk of the CWA for the rest of today,
giving us a welcome break from the humid and rainy conditions
of the past several days.
Temps will rise another deg F or so late this afternoon with
maxes varying from the upper 70s across the higher terrain of
the north and west, to the mid and upper 80s respectively in the
central and southern valleys, which are very near seasonal
normals.
Mainly clear sky conditions are expected for most of the night,
until the approach of a weak cold front from the N with some
high based strato cu and alto cu spilling SE into the CWA
toward daybreak.
Weak ridging over the area should allow for light wind and some
valley fog. The fog should not be as widespread as this (Wed)
AM. The clouds coming in with the front will try to make a
shower around or just before sunrise over the NW.
&&
.SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY NIGHT/...
Short wave trough aloft and a 300 mb speed max of 70+KTs will
help support some taller showers and support a MRGL risk of
severe wx (with the western edge of SPC`s SLGT Risk of SVR
brushing our far eastern counties).
Deep layer shear will be 40-60KTs, with the higher values
across the NE. The cells should be moving along and PWATs much
nearer to normal than of late (1-1.25").
So, we`re not expecting any flooding issues, but some localized
strong wind gusts from healthy DCAPE and marginally severe hail
from a lowering freezing level are possible.
Did add in a 20 PoP to the SE after 00Z, but those SHRA/TSRA
should dwindle quickly after sunset and the passage of the best
meso-B forcing in the early evening. One more chance for fog
(only in the valleys of the nrn mtns) Fri AM.
We continue to have high confidence/conviction in a really nice
Independence Day with a near zero chance for rain and great
viewing for fireworks. The wind will be pretty light, if not
calm, at 8-9PM, and may keep the smoke around with little
evacuation. Min temps Friday night will be quite comfortable in
the low 50s to low 60s.
Humidity levels start to creep upward to start the first
weekend of July; however it will remain dry with unsettled
weather expected to return Sunday into early next week.
&&
.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
Compared to previous guidance, today`s model runs have slowed
down with the arrival of precip associated with a shortwave
trough late Sunday. Most of the day looks hot and mostly sunny
with highs in the upper 80s. PoPs increase into Monday as the
trough arrives. Forecast uncertainty increases Tuesday and
Wednesday, as several ensemble members show showers/storms
lingering as the front slows down, while much of the
deterministic guidance has drier air pushing in.
&&
.AVIATION /20Z WEDNESDAY THROUGH MONDAY/...
Expect a break from showers and storms today with widespread VFR
through the bulk of tonight. Excellent vsby and sct-bkn fair
weather cu will prevail for the rest of today.
Light wind, moist ground and significant radiational cooling of
the surface will lead to areas of 1/2SM vsbys in the deeper
stream/river valleys of the Central and North for 2-4 hour early
Thursday, possibly impacting the airfields of KAOO, KUNV KIPT
and KBFD.
For Thursday, a narrow wedge of moisture moves back into the
state from the west ahead of a Canadian airmass/cold frontal
boundary. There`s some chance of a gusty storm with brief heavy
rain (Especially across the North-Central Mountains and Mid
Susquehanna Valley), but any of these would not last long in
any one spot, plus that is beyond the time range of the 12Z TAF
package.
Outlook...
Thu...Primarily VFR; stray PM shower/t-storm possible.
Fri-Sun...AM fog possible; otherwise VFR.
&&
.CTP WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
SYNOPSIS...Lambert/Dangelo
NEAR TERM...Lambert/Dangelo
SHORT TERM...Lambert/Dangelo
LONG TERM...Colbert
AVIATION...Lambert/Martin
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