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State College, Pennsylvania 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for State College PA
National Weather Service Forecast for: State College PA
Issued by: National Weather Service State College, PA
Updated: 3:27 pm EDT Aug 11, 2025
 
Tonight

Tonight: Areas of fog after 4am.  Otherwise, mostly clear, with a low around 64. Calm wind.
Areas Fog

Tuesday

Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
T-storms
Wednesday

Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 88. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am.  Low around 67. Calm wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Slight Chance
T-storms
Thursday

Thursday: A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Slight Chance
T-storms

Thursday
Night
Thursday Night: Mostly clear, with a low around 63.
Mostly Clear

Friday

Friday: Sunny, with a high near 89.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 65.
Mostly Clear

Lo 64 °F Hi 91 °F Lo 69 °F Hi 88 °F Lo 67 °F Hi 87 °F Lo 63 °F Hi 89 °F Lo 65 °F

 

Tonight
 
Areas of fog after 4am. Otherwise, mostly clear, with a low around 64. Calm wind.
Tuesday
 
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
 
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Wednesday
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
A slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Thursday Night
 
Mostly clear, with a low around 63.
Friday
 
Sunny, with a high near 89.
Friday Night
 
Mostly clear, with a low around 65.
Saturday
 
Sunny, with a high near 91.
Saturday Night
 
Mostly clear, with a low around 67.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Sunday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Monday
 
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for State College PA.

Weather Forecast Discussion
346
FXUS61 KCTP 120324
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
1124 PM EDT Mon Aug 11 2025

.SYNOPSIS...
* Above average heat with little to no rainfall through Tuesday
* Very humid with locally heavy T-storm downpours Wednesday PM
* Dry spell with hot temperatures Friday into the weekend

&&

.NEAR TERM /THROUGH TUESDAY/...
Expect increasing low cloud cover and add fog overnight into
Tuesday morning based on a modified/extrapolated persistence
from last night, increasing llvl moisture via south/southeast
flow, and latest 11/12Z hires model signal. Min temps will be +5
to +10 degrees higher night over night with low temps in the
60-70F range.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY NIGHT/...
Low clouds and fog will mix out after sunrise early Tuesday
morning, giving way to a hot and humid afternoon. Max temps are
+5-10F above the historical average for mid August ranging from
lower 80s on the highest mtn ridgetops to the low 90s in the
central and eastern valleys. KBFD could break a daily record
high (87 in 2005).

Increasing low level moisture (Td in the 60-70F range) combined
with strong daytime heating and orographic forcing suggests
isolated convection is possible Tuesday afternoon and evening.
While most of the afternoon will be dry in most places, we can`t
rule out a stray shower or pop-up T-storm anywhere in central
PA. Even more muggy/sticky Tuesday night adding +2-5F on to
Monday night`s lows with minimum temps in the low 60s-70s.

Max POPs on Wednesday as high PW axis (1.5-1.75") and elongated
frontal zone push into CPA from the Lower Great Lakes.
Widespread scattered convection is likely supporting locally
heavy rains and isolated runoff issues (marginal excessive rain
risk/WPC ERO). There are model indications that the frontal
zone may/will be slow to exit southern PA on Thursday PM which
could result in some lingering showers/storms. In this scenario,
the drying/clearing trend arriving from north to south will be
delayed until Thursday night -- setting up a more comfortable
and less humid end to the week.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
Lower humidity on Friday will bring some minor temporary relief,
but overall there is no end to the run of hot/above normal
temperatures through mid August. Another dry spell looks
probable through at least the first half of the weekend, with an
increase in rainfall potential Sunday and Monday as front sinks
southward from the Great Lakes.

&&

.AVIATION /04Z TUESDAY THROUGH SATURDAY/...
Sct-bkn VFR cumulus over southwestern parts of the airspace
will fade to mainly SKC for the first half of tonight. An
increasingly moist south to southeast low level wind flow will
aid in low stratus and fog development late tonight into early
Tuesday morning. The highest chances for sub-VFR restrictions
are at KMDT/KLNS (>60%). The low clouds and fog will mix out
with conditions likely improving to VFR by 15Z Tue. A couple of
showers and maybe a thunderstorm or two will develop along the
terrain Tuesday afternoon, but will keep mentions of these out
of the TAFs until timing and placement becomes more certain.

Outlook...

Wed...Restrictions likely with locally heavy showers and
t-storms.

Thu...Lingering showers/storms possible across the southern
airspace.

Fri...AM fog possible; otherwise VFR.

Sat...VFR/no sig wx.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

SYNOPSIS...Steinbugl/Gartner
NEAR TERM...Steinbugl/Gartner
SHORT TERM...Steinbugl
LONG TERM...Steinbugl
AVIATION...Steinbugl/Bauco
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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