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Newberg, Oregon 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Newberg OR
National Weather Service Forecast for: Newberg OR
Issued by: National Weather Service Portland, OR
Updated: 11:41 pm PDT Jul 5, 2025
 
Overnight

Overnight: Clear, with a low around 52. North northwest wind around 6 mph becoming calm.
Clear
Sunday

Sunday: Sunny, with a high near 85. Calm wind becoming north 5 to 9 mph in the morning.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 56. North northwest wind 5 to 10 mph.
Mostly Clear
Monday

Monday: Sunny, with a high near 91. Calm wind becoming north 5 to 7 mph in the morning.
Sunny
Monday
Night
Monday Night: Clear, with a low around 58. North wind 5 to 8 mph becoming calm  after midnight.
Clear
Tuesday

Tuesday: Sunny, with a high near 91.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 58.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 82.
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 58.
Partly Cloudy
Lo 52 °F Hi 85 °F Lo 56 °F Hi 91 °F Lo 58 °F Hi 91 °F Lo 58 °F Hi 82 °F Lo 58 °F

 

Overnight
 
Clear, with a low around 52. North northwest wind around 6 mph becoming calm.
Sunday
 
Sunny, with a high near 85. Calm wind becoming north 5 to 9 mph in the morning.
Sunday Night
 
Mostly clear, with a low around 56. North northwest wind 5 to 10 mph.
Monday
 
Sunny, with a high near 91. Calm wind becoming north 5 to 7 mph in the morning.
Monday Night
 
Clear, with a low around 58. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
 
Sunny, with a high near 91.
Tuesday Night
 
Mostly clear, with a low around 58.
Wednesday
 
Mostly sunny, with a high near 82.
Wednesday Night
 
Partly cloudy, with a low around 58.
Thursday
 
Mostly sunny, with a high near 83.
Thursday Night
 
Mostly clear, with a low around 57.
Friday
 
Sunny, with a high near 92.
Friday Night
 
Clear, with a low around 61.
Saturday
 
Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Newberg OR.

Weather Forecast Discussion
567
FXUS66 KPQR 060313 AAA
AFDPQR

Area Forecast Discussion...UPDATE
National Weather Service Portland OR
813 PM PDT Sat Jul 5 2025

Updated Aviation discussion

.SYNOPSIS...Broad high pressure builds through the next week
while maintaining a general onshore flow. Increasing
temperatures through Tuesday with low elevation inland
temperatures around 90 degrees F on Monday and Tuesday. Cooler
temperatures on Wednesday and Thursday before heating back up
on Friday. Breezy onshore winds Wednesday due as the pressure
gradient increases.

&&

.SHORT TERM...Tonight through Tuesday night...Broad, upper level
high pressure builds through early next week. At the same time,
an upper level low will park over northern California through
Monday/Tuesday. This will result in a very weak Rex Blocking
pattern and as a result will cause daytime highs to warm through
the start of this week. Expect temperatures to rise about 5
degrees F each day. The coast will have persistent onshore flow
and that will moderate temperatures resulting in a warm up by
only a few degrees each day if at all. The current forecast has
the warmest day over the next 96 hours being on Monday. However,
Tuesday could be just as warm or slightly warmer than Monday
depending on how the California Low develops and moves eastward.

For Monday, winds aloft will become southwesterly and bring in
warmer and drier air to the region bringing 850 mb temperatures
around 15-18 degrees C. While persistent onshore flow will help
to mitigate daytime highs as well as aid in overnight
recoveries, overnight lows will still be elevated for inland
locations. On Tuesday, the California low looks to start
meandering north and east. The timing of this movement will be
the deciding factor as to if Monday or Tuesday will be the
warmest for the start of the week.

On both Monday and Tuesday Moderate HeatRisk is present within
the Willamette Valley, Clark County lowlands and the Gorge.
Those sensitive to heat should take precautions. /42

.LONG TERM...Wednesday through Saturday...As we move into the
middle of the week, the California low will continue to push
eastward into Idaho. This will result in increasing northwesterly
flow and bring in cooler, moister air for Wednesday. However, as
we look towards Thursday and beyond, models are bringing an
upper level ridge into the forecast. WPC 500mb clusters are all
generally pointing towards a broad ridge of high pressure
developing over the northeast Pacific Ocean/Pacific NW. If this
scenario manifests, then Friday and Saturday could easily look
like Monday/Tuesday in terms of daytime highs. /42

&&

.AVIATION...Mostly clear skies with light northwest flow aloft
across the area as of 03z Sunday. Expect marine stratus to return
to the coast around 10z Sunday, bring MVFR cigs to KAST and IFR
stratus/fog to KONP through 16-17z Sun morning. Inland terminals
expected to remain VFR through the period. Breezy north to
northwest winds this evening, with gusts to around 20 kt along the
coast, diminish after 06z Sunday.

PDX AND APPROACHES...VFR conditions expected under mostly clear
skies through the TAF period. NW winds expected around 10 kt,
diminishing to around 5 kt after 08z Sun. Models depict around a
10-20% chance for MVFR stratus at the terminal 12-16z Sun. /DH

&&

.MARINE...Typical summertime pattern persists through much of the
coming week as surface high pressure offshore maintains north to
northwest winds across the coastal waters. Could see a few gusts
to 20-25 kt across the central nearshore waters through this
evening, but do not anticipate enough coverage to warrant an
advisory today. Inland heating will drive a strengthening coastal
pressure gradient Sunday into early next week, with winds
increasing as a result. Have issued Small Craft Advisories across
the waters Sunday afternoon through Monday evening as winds gust
to 25-30 kt. Expect the strongest gusts south of Cape Falcon, with
more marginal advisory conditions with northward extent towards
the south Washington coastal waters. Seas will remain in the 4-6
ft range, comprised mainly of a mix of short period wind-driven
waves and a modest, mid period, westerly swell. /CB

&&

.PQR WATCHES/WARNINGS/ADVISORIES...

OR...None.
WA...None.
PZ...Small Craft Advisory from 11 AM Sunday to 10 PM PDT Monday for
     PZZ251>253-271>273.

&&

$$

www.weather.gov/portland

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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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