Charleston, SC 14-Day Forecast

South Carolina, United States 🇺🇸
71°
Overcast right now Today: high 74°, low 70°
Updated 4 hours ago

Charleston weather for the next 14 days

Today

Overcast High 74° Low 70°
Precipitation
93% · 0.61 in
7 mph
1 - Low
Sunrise / sunset
07:16 AM / 06:59 PM

Tuesday, October 6

Overcast High 79° Low 68°
Precipitation
25% · 0.0 in
Max wind
14 mph
Humidity
75%
UV index
5 - Moderate
Sunrise / sunset
07:17 AM / 06:58 PM

Wednesday, October 7

Overcast High 80° Low 67°
Precipitation
16% · 0.0 in
Max wind
12 mph
Humidity
68%
UV index
6 - High
Sunrise / sunset
07:18 AM / 06:57 PM

Thursday, October 8

Overcast High 77° Low 68°
Precipitation
17% · 0.0 in
Max wind
8 mph
Humidity
69%
UV index
4 - Moderate
Sunrise / sunset
07:18 AM / 06:55 PM

Friday, October 9

Overcast High 80° Low 68°
Precipitation
15% · 0.0 in
Max wind
12 mph
Humidity
63%
UV index
4 - Moderate
Sunrise / sunset
07:19 AM / 06:54 PM

Saturday, October 10

Moderate rain High 74° Low 72°
Precipitation
90% · 1.14 in
Max wind
17 mph
Humidity
86%
UV index
5 - Moderate
Sunrise / sunset
07:20 AM / 06:53 PM

Sunday, October 11

Patchy rain nearby High 86° Low 74°
Precipitation
86% · 0.45 in
Max wind
13 mph
Humidity
84%
UV index
8 - Very High
Sunrise / sunset
07:20 AM / 06:51 PM

Monday, October 12

Sunny High 82° Low 70°
Precipitation
7% · 0.0 in
Max wind
10 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
07:21 AM / 06:50 PM

Tuesday, October 13

Sunny High 78° Low 65°
Precipitation
8% · 0.0 in
Max wind
11 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
07:22 AM / 06:49 PM

Wednesday, October 14

Sunny High 80° Low 70°
Precipitation
17% · 0.0 in
Max wind
12 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
07:23 AM / 06:48 PM

Thursday, October 15

Patchy rain nearby High 83° Low 71°
Precipitation
57% · 0.05 in
Max wind
9 mph
Humidity
78%
UV index
7 - High
Sunrise / sunset
07:23 AM / 06:47 PM

Friday, October 16

Light rain shower High 79° Low 70°
Precipitation
87% · 0.51 in
Max wind
9 mph
Humidity
89%
UV index
6 - High
Sunrise / sunset
07:24 AM / 06:45 PM

Saturday, October 17

Sunny High 81° Low 62°
Precipitation
4% · 0.0 in
Max wind
9 mph
Humidity
66%
UV index
7 - High
Sunrise / sunset
07:25 AM / 06:44 PM

Sunday, October 18

Sunny High 79° Low 62°
Precipitation
3% · 0.0 in
Max wind
8 mph
Humidity
61%
UV index
7 - High
Sunrise / sunset
07:26 AM / 06:43 PM

Charleston 14-day outlook: the story

The warmest day of Charleston's 14-day outlook is Sunday, October 11 with a high near 86°F (30°C); the coolest night comes Sunday, October 18, dipping to 62°F (16°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 79°F (26°C), about 3°F (2°C) above the typical October high of 76°F (25°C).

Precipitation is most likely on Monday 5, Saturday 10, Sunday 11, Thursday 15 and beyond; the wettest day looks like Saturday, October 10 with about 1.14 in (28.9 mm) expected. For the weekend, expect Saturday 74°F (24°C) and moderate rain / Sunday 86°F (30°C) and patchy rain nearby.

For typical conditions month by month, see the Charleston climate & average temperatures guide.

Charleston forecast questions

Will it rain in Charleston this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Saturday, October 10.
What will be the warmest day in Charleston over the next 14 days?
Sunday, October 11, with a forecast high near 86°F (30°C).
How accurate is a 14-day forecast for Charleston?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Charleston by month

Monthly averages for Charleston based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 58° 44° 10 3.2 in 7.6 h/day 10.2 h 31% 73%
February 62° 48° 9 3.3 in 8.0 h/day 11.0 h 31% 76%
March 67° 53° 9 3.0 in 8.9 h/day 11.9 h 29% 72%
April 73° 59° 8 4.3 in 10.8 h/day 13.0 h 28% 70%
May 80° 67° 11 3.5 in 11.5 h/day 13.8 h 35% 73%
June 85° 74° 16 4.8 in 11.6 h/day 14.3 h 53% 77%
July 88° 77° 17 4.9 in 11.5 h/day 14.1 h 55% 78%
August 86° 76° 19 7.0 in 10.7 h/day 13.3 h 62% 81%
September 83° 72° 14 5.9 in 9.9 h/day 12.3 h 46% 79%
October 76° 63° 7 3.7 in 9.3 h/day 11.3 h 22% 75%
November 67° 53° 8 3.2 in 8.2 h/day 10.4 h 27% 75%
December 62° 49° 9 4.8 in 7.0 h/day 10.0 h 30% 77%
14-day forecasts nearby