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South Burlington, Vermont 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Burlington International Airport VT
National Weather Service Forecast for: Burlington International Airport VT
Issued by: National Weather Service Burlington, VT
Updated: 6:26 pm EDT Jun 27, 2025
 
Tonight

Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 8pm.  Mostly cloudy, with a low around 61. Breezy, with a south wind 14 to 22 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Breezy
Saturday

Saturday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm.  High near 79. Breezy, with a south wind 14 to 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Breezy

Saturday
Night
Saturday Night: A 30 percent chance of showers, mainly before 9pm.  Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph becoming southwest after midnight.  New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Mostly Cloudy
Sunday

Sunday: Mostly sunny, with a high near 81. West wind around 8 mph.
Mostly Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 63. Light and variable wind.
Mostly Clear

Monday

Monday: Mostly sunny and hot, with a high near 93. South wind 7 to 10 mph.
Hot

Monday
Night
Monday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 70. South wind around 10 mph.  Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
Tuesday

Tuesday: Showers, with thunderstorms also possible after 2pm.  High near 84. South wind 9 to 13 mph.  Chance of precipitation is 80%.
Showers

Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 65. South wind around 8 mph.
Chance
T-storms then
Mostly Clear
Lo 61 °F Hi 79 °F Lo 63 °F Hi 81 °F Lo 63 °F Hi 93 °F Lo 70 °F Hi 84 °F Lo 65 °F

Hazardous Weather Outlook
 

Tonight
 
A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 61. Breezy, with a south wind 14 to 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 79. Breezy, with a south wind 14 to 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
 
A 30 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 63. Southeast wind 6 to 9 mph becoming southwest after midnight. New precipitation amounts of less than a tenth of an inch possible.
Sunday
 
Mostly sunny, with a high near 81. West wind around 8 mph.
Sunday Night
 
Mostly clear, with a low around 63. Light and variable wind.
Monday
 
Mostly sunny and hot, with a high near 93. South wind 7 to 10 mph.
Monday Night
 
Showers likely, mainly after 2am. Mostly cloudy, with a low around 70. South wind around 10 mph. Chance of precipitation is 60%.
Tuesday
 
Showers, with thunderstorms also possible after 2pm. High near 84. South wind 9 to 13 mph. Chance of precipitation is 80%.
Tuesday Night
 
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. South wind around 8 mph.
Wednesday
 
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86. Southwest wind 7 to 9 mph.
Wednesday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 63. West wind 5 to 9 mph becoming south after midnight.
Thursday
 
A 30 percent chance of showers. Mostly sunny, with a high near 82. South wind 11 to 14 mph becoming west in the afternoon.
Thursday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 60. Northwest wind 5 to 9 mph.
Independence Day
 
A 30 percent chance of showers. Mostly sunny, with a high near 80. North wind 10 to 13 mph.

 

Forecast from NOAA-NWS for Burlington International Airport VT.

Weather Forecast Discussion
049
FXUS61 KBTV 271920
AFDBTV

Area Forecast Discussion
National Weather Service Burlington VT
320 PM EDT Fri Jun 27 2025

.SYNOPSIS...
Increasing clouds and chances for showers will be possible this
evening, with additional showers and a few rumbles of thunder are
possible overnight as a warm front lifts across our region.
Scattered to numerous showers and thunderstorms are expected
tomorrow, with some thunderstorms capable of producing localized
very heavy rainfall. Drier and warmer weather returns for Sunday and
Monday.

&&

.NEAR TERM /THROUGH SATURDAY NIGHT/...
As of 315 PM EDT Friday...Cloud cover continues to increase across
the region this afternoon, with a few chances for some showers this
evening as a warm front begins to lift across the region to the
north. The forecast has not changed much from the previous shift,
with rounds of showers and thunderstorms expected overnight and
through the day tomorrow. The precipitation tonight will be driven
by warm air advection and some elevated instability, with a few
rumbles of thunder possible overnight tonight. In addition to the
showers, strong southerly flow and breezy conditions will be
possible, especially across Lake Champlain. Temperatures overnight
tonight will be fairly mild, only dropping into the upper 50s and
lower 60s across the region.

By tomorrow morning, the frontal boundary will be to our north, with
the region sitting in the warm sector. A cold front will look to
push through during the day tomorrow, bringing some additional
convection throughout the day. A few stronger showers may be
possible, but the exact locations of any stronger convection are
tricky to pinpoint. SPC currently clips the forecast area with a
Marginal Risk for severe, with most of the area just expecting
general thunderstorms. The best convergence and axis of heaviest
rainfall remain to our north, with current rainfall forecasts
showing amounts ranging anywhere from 0.25 to 1.0 inches near the
international border throughout the forecast period. The environment
will still be quite favorable for efficient rainfall processes, with
PWAT values of 1.5 inches and deep warm layer cloud depths, so a
localized and isolated flash flooding threat will still be possible,
especially across the higher terrain. WPC continues to maintain a
Marginal Risk in the Excessive Rainfall Outlook for thus time frame.
Drier air looks to quickly move into the region towards the
afternoon, effectively limiting the heavy rain threat and most
precipitation chances. Daytime highs tomorrow will largely depend on
the timing of precipitation and how quickly the cold front pushes
through, with highs in the 70s to low 80s possible tomorrow
afternoon. The drier conditions will continue into Saturday night,
with lows in the upper 50s and 60s expected.

&&

.SHORT TERM /SUNDAY THROUGH SUNDAY NIGHT/...
As of 315 PM EDT Friday...Weak surface high pressure and building
mid-level ridging will support fantastic weather on Sunday.
Temperatures will climb into the upper 70s to lower 80s while
dewpoints remaining in the mid 50s to lower 60s. By nighttime,
west- northwest flow will switch back to the south as the mid-
level ridge pushes east. Low temperatures will be somewhat above
seasonal normals in the mid 50s to mid 60s.

&&

.LONG TERM /MONDAY THROUGH FRIDAY/...
As of 315 PM EDT Friday...On Monday, the ridge will reamplify in the
face of an incoming trough. Strengthening southwesterly flow will
return heat and humidity to the forecast area. Forecast 925mb
temperatures range from about 23-25 C, and this should put us in the
upper 80s to mid 90s during the afternoon while dewpoints climb up
towards the mid to upper 60s. You can also expect a warm, muggy
night in the mid 60s to lower 70s.

However, this heat will be short-lived. A cold front will begin to
approach the forecast area Tuesday morning. It doesn`t appear likely
to be very impactful. The prefrontal trough should produce some
scattered precipitation during the morning hours. The moisture plume
associated with it will shift east by afternoon, which will be
replaced by dry mid-level air. The actual front shifts east mid-
afternoon, but while that dry air is present. Thus, we may observe
isolated to scattered convection associated with the frontal
boundary, but updrafts do not appear likely to be impressive given
marginal CAPE and limited forcing. Behind the cold front,
temperatures will gradually settle back to seasonal norms. An upper
low will gradually shift out of the Hudson Bay and approach the
region. Although there`s limited moisture, its presence should allow
for isolated to scattered diurnal convection ahead of it for the
remainder of the week.

&&

.AVIATION /19Z FRIDAY THROUGH WEDNESDAY/...
Through 18Z Saturday...VFR conditions will continue to prevail
across all terminals for the next several hours, with some
showers expected to approach the region towards 00Z or so. Some
heavier downpours will be possible, which may briefly reduce
visibilities. Ceilings will gradually trend towards MVFR
overnight, into the day tomorrow with continued chances for rain
showers. Winds will generally be southerly throughout the
forecast period, with some localized higher gusts possible at
KBTV and KRUT. A period of LLWS is expected overnight
tonight as well.

Outlook...

Saturday Night: VFR. Slight chance SHRA.
Sunday: Mainly VFR, with local MVFR possible. NO SIG WX.
Sunday Night: VFR. NO SIG WX.
Monday: VFR. Slight chance SHRA, Slight chance TSRA.
Monday Night: VFR. Likely SHRA, Slight chance TSRA.
Tuesday: MVFR/IFR conditions possible. Likely SHRA, Slight chance
TSRA.
Tuesday Night: VFR. Chance SHRA.
Wednesday: VFR. Chance SHRA, Slight chance TSRA.

&&

.HYDROLOGY...
The threat for excessive rainfall and the potential flash
flooding threat has decreased across much of the North Country
tonight into Saturday. Several rounds of showers and
thunderstorms are expected on Saturday with localized heavy
rainfall possible in the stronger storms. Very isolated flash
flooding is possible, especially if a mountain basin has several
direct hits from thunderstorms on Saturday. Any flood threat
quickly ends by sunset on Saturday evening.

&&

.MARINE...
A Lake Wind Advisory is in effect for Lake Champlain tonight.
South winds generally 10 to 15 knots this afternoon will
increase towards 15 to 30 knots this evening into the overnight
hours, with even higher gusts possible. Waves are expected to
build to 3 to 6 feet across the lake tonight. Conditions are
expected to improve throughout the day tomorrow.

&&

.BTV WATCHES/WARNINGS/ADVISORIES...
VT...None.
NY...None.

&&

$$
SYNOPSIS...Kremer
NEAR TERM...Kremer
SHORT TERM...Haynes
LONG TERM...Haynes
AVIATION...Kremer
HYDROLOGY...NWS BTV
MARINE...NWS BTV
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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