North Charleston, South Carolina 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

703
FXUS62 KCHS 091156
AFDCHS

Area Forecast Discussion
National Weather Service Charleston SC
656 AM EST Mon Nov 9 2026

.WHAT HAS CHANGED...
KEY Message 1 has been updated to address fog concerns. The
Aviation Section has been updated for the 12Z TAF issuance.

&&

.KEY MESSAGES...
- 1) Dry conditions and seasonable temperatures expected this week.
  Colder conditions this weekend.

- 2) Freezing temperatures are possible across far inland areas
  Friday night, followed by a potential widespread freeze Saturday
  night.

&&

.DISCUSSION...
KEY MESSAGE 1: Dry conditions and seasonable temperatures expected
this week. Colder conditions this weekend.

Early Morning: Latest satellite and sfc observations indicate at
least patchy fog across parts of Southeast Georgia, mainly west
of I-95 across Tattnall/Evans Counties to Long-Liberty Counties
where cirrus has departed just to the south and east. A few
spots have experienced vsbys reduced to 1/2 mile or less at
times and a Special Weather Statement has been issued to address
fog potential during the the morning commute.

Today through Wednesday: High pressure will continue to dominate the
weather pattern across the Southeast United States, supporting dry
conditions and modifying temperatures under ample sunshine. High
temperatures will remain above normal, generally peaking in the mid-
upper 70s each afternoon although will be slightly cooler along the
beaches. Overnight periods should continue to display a strong case
for radiational cooling with a decoupled boundary layer leading to
calm winds under mostly clear skies. However, increasing cloud cover
should limit the setup starting Tuesday night. Overnight lows in the
low-mid 40s inland to mid-upper 50s closer to the coast will be
common, but will trend warmer each night as cloud cover increases
and a light return flow returns along the western edge of high
pressure become more centered across the western Atlantic.


KEY MESSAGE 2: Freezing temperatures are possible across far inland
areas Friday night, followed by a potential widespread freeze
Saturday night.

Ahead of an approaching cold front, southwesterly winds are expected
to become breezy throughout the day as the pressure gradient
increases, while afternoon high temperatures will remain in the mid
to upper 70s. Peak wind gusts of 20 to 30 mph are expected during
the afternoon hours, likely remaining breezy into the overnight
hours as the front pushes through. Rainfall chances continue to look
bleak with the latest forecast coming in mostly dry, though that may
still change as new data flows in.

The front pushes through quickly overnight into Friday, bringing
overnight lows back down into the lower 40s for inland areas, and
into the upper 40s to lower 50s along the coast. Combined with the
breezy west-northwesterly winds, wind chills will likely dip down
into the upper 30s to lower 40s for inland areas, so be sure to
dress appropriately Friday morning. As cold-air advection (CAA)
commences, temperatures on Friday will struggle to reach up into the
upper 50s to lower 60s, accompanied by breezy westerly winds gusting
25 to 35 mph.

With the cold air continuing to funnel down into the region, Friday
night into Saturday will be our first night where concerns for frost
formation return to the area, though wind speeds look to remain high
enough to keep concerns on the lower end for now. Overnight lows in
the mid 30s for inland areas are expected, with probabilities for
reaching 32 degrees largely in the 10 to 20% range. Combined with
the breezy westerly winds, wind chills in the upper 20s to mid 30s
are expected across the area into early Saturday morning. With the
CAA continuing, temperatures on Saturday will be a few degrees
cooler than Friday, with max temperatures at or below 60 degrees.

As a surface high pressure moves in late Saturday into Sunday, clear
skies and light winds will allow for radiational cooling to further
decrease temperatures. Probabilities for reaching freezing
temperatures for inland areas rise into the 20 to 45% range,
indicating a Freeze Watch may be needed as we get closer to the
event. In addition to the freezing temperatures, given the light
winds, frost formation appears likely.

&&

.AVIATION /12Z MONDAY THROUGH FRIDAY/...
VFR conditions are expected at CHS/JZI/SAV terminals through 12Z
Tuesday.

Extended Aviation Outlook: VFR during the daytime, with
isolated to scattered visibility restrictions possible during
the late overnight into early morning hours on both Tuesday and
Wednesday.

&&

.MARINE...
Today and Tonight: High pressure will dominate the weather pattern,
leading to rather tranquil marine conditions. North/northwest
winds should remain around 10 kt or less today, then turn more
west-southwest overnight as high pressure becomes more centered
offshore late. Seas will range between 2-4 ft.

Tuesday through Friday: Surface High pressure will continue across
the Southeast U.S. through Wednesday, bringing a light to perhaps
gentle breeze. Seas will be 2-3 ft within 20 nm and 3-4 ft for the
20-60 nm waters. Winds increase out of the southwest Thursday ahead
of an approaching cold front, becoming gusty to near 30 knots.
Likewise, wind-driven seas will build. Small Craft Advisories will
likely be needed for our waters. Winds shift to become out of the
west-northwest overnight into Friday, with gusts to near 30 knots
continuing throughout the day.

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...None.
SC...None.
MARINE...None.

&&

$$