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North Charleston, South Carolina 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 2 Miles SSE Charleston Air Force Base SC
National Weather Service Forecast for: 2 Miles SSE Charleston Air Force Base SC
Issued by: National Weather Service Charleston, SC
Updated: 6:05 pm EDT Jul 19, 2026
 
Tonight

Tonight: Mostly clear, with a low around 79. South wind 6 to 13 mph, with gusts as high as 20 mph.
Mostly Clear
Monday

Monday: Mostly sunny, with a high near 94. Heat index values as high as 106. South wind 5 to 11 mph, with gusts as high as 20 mph.
Mostly Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 79. South wind 7 to 10 mph.
Partly Cloudy
Tuesday

Tuesday: A 20 percent chance of showers and thunderstorms before 2pm.  Mostly sunny, with a high near 94. Heat index values as high as 106. South wind 7 to 16 mph, with gusts as high as 25 mph.
Slight Chance
T-storms
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 80. South wind 10 to 13 mph, with gusts as high as 21 mph.
Partly Cloudy
Wednesday

Wednesday: Mostly sunny, with a high near 94.
Mostly Sunny
Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 79.
Chance
T-storms
Thursday

Thursday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 94. Chance of precipitation is 60%.
T-storms
Likely
Thursday
Night
Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
T-storms
Likely
Lo 79 °F Hi 94 °F Lo 79 °F Hi 94 °F Lo 80 °F Hi 94 °F Lo 79 °F Hi 94 °F Lo 76 °F

 

Tonight
 
Mostly clear, with a low around 79. South wind 6 to 13 mph, with gusts as high as 20 mph.
Monday
 
Mostly sunny, with a high near 94. Heat index values as high as 106. South wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
 
Partly cloudy, with a low around 79. South wind 7 to 10 mph.
Tuesday
 
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 94. Heat index values as high as 106. South wind 7 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
 
Partly cloudy, with a low around 80. South wind 10 to 13 mph, with gusts as high as 21 mph.
Wednesday
 
Mostly sunny, with a high near 94.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Thursday
 
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Friday
 
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Friday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
 
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.

 

Forecast from NOAA-NWS for 2 Miles SSE Charleston Air Force Base SC.

Weather Forecast Discussion
784
FXUS62 KCHS 192219
AFDCHS

Area Forecast Discussion
National Weather Service Charleston SC
619 PM EDT Sun Jul 19 2026

.WHAT HAS CHANGED...
A new Key Message for smoke generated by the Horse Island
Wildfire was introduced. The Aviation and Marine sections were
also updated.

&&

.KEY MESSAGES...

- 1) Smoke from the Horse Island Wildfire will impact northeast
  Berkeley County tonight into Monday.

- 2) Hot and humid conditions are expected across the area into
  midweek. Heat Advisories could be needed.

- 3) A shift in the synoptic pattern will likely bring higher
  precipitation chances towards the end of the week.

&&

.DISCUSSION...
KEY MESSAGE 1: Smoke from the Horse Island Wildfire will impact
northeast Berkeley County tonight into Monday.

A Dense Smoke Advisory has been requested by the U.S. Forest
Service for northeast portions of Berkeley County in response to
the Horse Island Wildfire. Smoke in the vicinity of the fire is
significant and conditions will deteriorate overnight as the
nocturnal inversion develops. The latest Hysplit output shows
the worst of the smoke will remain across northeast Berkeley
County and extending across the Santee River into a small area
of southwest Georgetown County. Visibilities may drop below 1/4
mile at times overnight, especially along parts of Highway 45.
Road closures are possible. Smoke will likely remain an issue
into Monday although visibilities should improve some by mid-
morning as dispersion increases and mixing heights rise.


KEY MESSAGE 2: Hot and humid conditions are expected across the
area into midweek. Heat Advisories could be needed.

Very little change in the forecast is expect the next couple of
days as the heat and humidity lingers through Wednesday. The
overall players remain the same across the area with deep upper
troughing across the Northeast, high pressure to our east over
the Atlantic and a tropical depression over the northern Gulf.
Monday and Tuesday, will see highs topping out in the low to
mid 90s and dewpoints able to mix out into the low 70s. This
should be enough to keep heat indices in the 100 to 105 range
and while this is still hot, this is more in line with typical
summertime conditions for the area. The bigger questions come
on Wednesday as dewpoints should gradually increase as better
moisture arrives. This will be aided by the disturbance in the
Gulf as it slowly tracks westward. The usual trouble areas
behind the seabreeze could start to approach advisory criteria
come Tuesday into Wednesday as dewpoints climb into the upper
70s to near 80 resulting in heat indices of around 108 to 110.
This could require Heat Advisories across portions of the area.


KEY MESSAGE 3: A shift in the synoptic pattern will likely
bring higher precipitation chances towards the end of the week.

Monday the region will remain positioned between low pressure
in the Northern Gulf (TD2) and high pressure over the Western
Atlantic. This pattern will persist into Tuesday, with TD2
slowly shifting westward into Wednesday. As the low pressure
shifts westward a mid level trough will set up over the eastern
CONUS. At the surface a cold front will approach the region
Wednesday, likely stalling in the vicinity of the forecast area
into the end of the week. This stalled front is likely to bring
increased precipitation chances to the region. The Weather
Prediction Center has the entire forecast area outlooked in a
Marginal Risk for Excessive Rainfall on Thursday, with a Slight
Risk over northern Charleston and Berkeley Counties.

&&

.AVIATION /22Z SUNDAY THROUGH FRIDAY/...
20/00Z Aviation Discussion:
KCHS/KSAV/KJZI: VFR through 21/00z. The greatest risk for
isolated showers/tstms Monday afternoon looks to setup west of
the terminals.

Extended Aviation Outlook: Prevailing VFR through mid week. Chances
of flight restrictions increase later this week with a greater
coverage of showers/thunderstorms.

&&

.MARINE...
Tonight: As the local waters remain situated between an inland
trough and a subtropical high to the east, this will yield
breezy southwesterly flow through late tonight. Elevated south
to southwest winds will persist, ranging from 15-20 kt off the
Charleston County coast to 10-15 kt with gusts to 20 kt off the
Georgia coast. Seas will average 3-4 ft.

Monday through Thursday: The marine waters will remain
positioned between high pressure to the east and low pressure in
the Northern Gulf (TD2). Mid-week a front will approach the
region, stalling in the vicinity of the marine waters late week.
Small Craft Advisories could be needed for this period,
especially in the Charleston nearshore waters and the Charleston
Harbor.

Rip Currents: A Moderate Risk of Rip Currents is in effect for
our SE GA beaches Monday, given enhanced winds along the
coastline and wave periods up to 6 seconds. A Moderate Risk
returns to all area beaches on Tuesday as 6 second swell and
enhanced SSW/SW winds develop along the entire coastline.

&&

.CLIMATE...
Record High Minimum Temperatures:

July 19:
KCHS: 79/1986
KCXM: 83/1986

July 20:
KCHS: 79/2025
KCXM: 83/2000
KSAV: 79/1942

July 21:
KCHS: 80/1986
KCXM: 83/1998

July 22:
KCHS: 81/2011
KCXM: 83/2011

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...None.
SC...Dense Smoke Advisory until 10 AM EDT Monday for SCZ045.
MARINE...None.

&&

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






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