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Oakville, Connecticut 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Oakville CT
National Weather Service Forecast for: Oakville CT
Issued by: National Weather Service Albany, NY
Updated: 7:53 pm EDT Aug 17, 2025
 
Tonight

Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 59. West wind 5 to 13 mph becoming northeast in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

Monday

Monday: Mostly sunny, with a high near 76. Northeast wind 6 to 13 mph.
Mostly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 53. Light southeast wind.
Partly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 76. Light and variable wind becoming east around 6 mph in the morning.
Mostly Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Wednesday

Wednesday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
Showers
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 56.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 78.
Mostly Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 56.
Mostly Clear

Lo 59 °F Hi 76 °F Lo 53 °F Hi 76 °F Lo 55 °F Hi 76 °F Lo 56 °F Hi 78 °F Lo 56 °F

 

Tonight
 
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 59. West wind 5 to 13 mph becoming northeast in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
Mostly sunny, with a high near 76. Northeast wind 6 to 13 mph.
Monday Night
 
Partly cloudy, with a low around 53. Light southeast wind.
Tuesday
 
Mostly sunny, with a high near 76. Light and variable wind becoming east around 6 mph in the morning.
Tuesday Night
 
Partly cloudy, with a low around 55. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
 
A slight chance of showers after 2pm. Mostly sunny, with a high near 76. Chance of precipitation is 20%.
Wednesday Night
 
Partly cloudy, with a low around 56.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
Mostly clear, with a low around 56.
Friday
 
Sunny, with a high near 82.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Sunny, with a high near 83.
Saturday Night
 
A chance of showers. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
 
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Oakville CT.

Weather Forecast Discussion
550
FXUS61 KALY 172321
AFDALY

AREA FORECAST DISCUSSION
National Weather Service Albany NY
721 PM EDT Sun Aug 17 2025

.SYNOPSIS...
A cold front will continue moving through the region
this afternoon and evening, bringing with it isolated to
scattered chances for showers and thunderstorms. Following its
passage, dry and much cooler conditions will prevail through
Tuesday before temperatures return to more seasonal levels by
week`s end.

&&

.DISCUSSION...
* A heat Advisory remains in effect for eastern Ulster and
  western Dutchess Counties from noon to 7 PM today where heat
  indices are expected to reach 95-98 degrees.

* Scattered showers and thunderstorms expected this afternoon into
  early evening. A few could be strong to severe, especially
  along and south of I-90, with gusty winds being the main
  threat.

Long awaited cold front continuing to work through the fcst area
this afternoon, with recent radar scans showing developing shwrs and
isolated storms across the southern Adirondacks. CAMs to include
both the latest HRRR and 12 NAM show continued shwr/storm
development this afternoon/early evening, before front clears area
later tonight. After midnight shift`s collaboration with SPC and
surrounding offices, a marginal risk for severe was reintroduced for
the Capital District and points south this afternoon and evening.
Overall setup for severe does not look overly impressive, as
main core of stronger winds aloft/better shear remain displaced
to our north across northern New York and southern Canada, while
better instability remains to our south. That said, fcst
soundings show a tall/skinny CAPE profile with unidirectional
westerly flow through the column. Also apparent are steep low-
level lapse rates which extend through almost 5 kft. Given
this, overall threat for any stronger storms this
afternoon/early evening should be restricted to strong
convective wind gusts as limited CAPE aloft should limit large
hail production.

Following the passage of the today`s front, a notable cool down is
expected for the first half of the work week. Both Monday and and
Tuesday look dry, with high temps ranging in the lower to middle 70s
across much of our area. Dewpoints both days will only be in the 40s
to low 50s, which will lead to noticeably less humid conditions. In
dewpoints, Monday looks to be the driest of the two days with
values dropping into the lower to middle 40s.

By Tuesday night/Wednesday, attention shifts to a northern stream
shortwave that will be approaching our area from the northwest. The
arrival of this feature will lead to renewed shwr chances across the
fcst area Wednesday and Wednesday night. This wave will quickly move
east to ensure Hurricane Erin remains well out to sea. Unfortunately
QPF amounts with the shortwave/front look to remain light,
w/LREF ensemble probabilities for 24-hr QPF of 0.50" or more
remaining less than 30% for our fcst area.

After the shortwave exits to our east, weak upper ridging,
combined with a return of southerly winds, will lead to a
gradual warmup for the latter half of the work week. By Friday,
afternoon highs will again top out in the lower to middle 80s,
with slightly warmer temps expected on Saturday. This will occur
out ahead of a deep northern stream trough and surface cold
front that will approach our region Saturday night. These
features, combined with what looks like strong moisture
advection from the south, will set the stage for what may be
widespread shwr coverage on Sunday.

&&

.AVIATION /00Z MONDAY THROUGH FRIDAY/...
Through 00z Tuesday...Scattered showers and isolated storms are
working their way across the region early this evening as a
cold front tracks across the region. These will be a concern
primarily at KALB over the next 1-2 hrs, and are addressed in a
TEMPO group. In addition, north winds will gust around 20-35 kts
this evening mainly at KALB/KPOU as north winds are channeled
down the Hudson Valley. These gusts will subside late this
evening. Outside of precipitation, conditions will be mainly
VFR, though some scattered MVFR ceilings will be possible
through 18/06z with low stratus behind the cold front. VFR
conditions will prevail after this time through the rest of the
period with light winds out of the north around 5-10 kts.

Outlook...

Monday Night: No Operational Impact. NO SIG WX.
Tuesday: No Operational Impact. NO SIG WX.
Tuesday Night: Low Operational Impact. Slight Chance of SHRA.
Wednesday: Moderate Operational Impact. Chance of SHRA.
Wednesday Night: Moderate Operational Impact. Chance of SHRA.
Thursday: Low Operational Impact. Slight Chance of SHRA.
Thursday Night: No Operational Impact. NO SIG WX.
Friday: No Operational Impact. NO SIG WX.

&&

.ALY WATCHES/WARNINGS/ADVISORIES...
CT...None.
NY...None.
MA...None.
VT...None.

&&

$$

SYNOPSIS...32
DISCUSSION...32
AVIATION...Speck
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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