Charleston, WV 14-Day Forecast

West Virginia, United States 🇺🇸
82°
Overcast right now Today: high 89°, low 70°
Updated 6 hours ago

Charleston weather for the next 14 days

Today

Overcast High 89° Low 70°
Precipitation
88% · 2.05 in
9 mph
6 - High
Sunrise / sunset
06:42 AM / 08:18 PM

Tuesday, August 18

Heavy rain High 81° Low 68°
Precipitation
84% · 5.01 in
Max wind
7 mph
Humidity
82%
UV index
8 - Very High
Sunrise / sunset
06:43 AM / 08:16 PM

Wednesday, August 19

Sunny High 85° Low 66°
Precipitation
8% · 0.0 in
Max wind
6 mph
Humidity
72%
UV index
9 - Very High
Sunrise / sunset
06:44 AM / 08:15 PM

Thursday, August 20

Overcast High 85° Low 67°
Precipitation
68% · 0.08 in
Max wind
5 mph
Humidity
82%
UV index
6 - High
Sunrise / sunset
06:45 AM / 08:14 PM

Friday, August 21

Patchy rain nearby High 79° Low 66°
Precipitation
88% · 0.54 in
Max wind
7 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
06:46 AM / 08:12 PM

Saturday, August 22

Fog High 76° Low 65°
Precipitation
88% · 0.45 in
Max wind
4 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
06:47 AM / 08:11 PM

Sunday, August 23

Sunny High 81° Low 63°
Precipitation
8% · 0.0 in
Max wind
5 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
06:48 AM / 08:10 PM

Monday, August 24

Overcast High 83° Low 67°
Precipitation
12% · 0.0 in
Max wind
4 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
06:49 AM / 08:08 PM

Tuesday, August 25

Sunny High 84° Low 67°
Precipitation
8% · 0.0 in
Max wind
7 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
06:50 AM / 08:07 PM

Wednesday, August 26

Patchy rain nearby High 77° Low 66°
Precipitation
68% · 0.06 in
Max wind
6 mph
Humidity
86%
UV index
6 - High
Sunrise / sunset
06:50 AM / 08:05 PM

Thursday, August 27

Fog High 70° Low 60°
Precipitation
85% · 0.2 in
Max wind
4 mph
Humidity
94%
UV index
6 - High
Sunrise / sunset
06:51 AM / 08:04 PM

Friday, August 28

Fog High 76° Low 58°
Precipitation
14% · 0.0 in
Max wind
6 mph
Humidity
75%
UV index
6 - High
Sunrise / sunset
06:52 AM / 08:02 PM

Saturday, August 29

Sunny High 77° Low 58°
Precipitation
6% · 0.0 in
Max wind
4 mph
Humidity
71%
UV index
7 - High
Sunrise / sunset
06:53 AM / 08:01 PM

Sunday, August 30

Sunny High 82° Low 59°
Precipitation
10% · 0.0 in
Max wind
4 mph
Humidity
74%
UV index
7 - High
Sunrise / sunset
06:54 AM / 07:59 PM

Charleston 14-day outlook: the story

The warmest day of Charleston's 14-day outlook is Monday, August 17 with a high near 89°F (32°C); the coolest night comes Saturday, August 29, dipping to 58°F (14°C). The trend points cooler: week two runs about 4°F below week one. Highs over the next two weeks average 82°F (28°C), right in line with the typical August high of 83°F (29°C).

Precipitation is most likely on Monday 17, Tuesday 18, Thursday 20, Friday 21 and beyond; the wettest day looks like Tuesday, August 18 with about 5.01 in (127.3 mm) expected. For the weekend, expect Saturday 76°F (25°C) and fog / Sunday 81°F (27°C) and sunny.

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 7 of the next 14 days, peaking around Tuesday, August 18.
What will be the warmest day in Charleston over the next 14 days?
Monday, August 17, with a forecast high near 89°F (32°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.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 44° 28° 13 4.2 in 5.1 h/day 70%
February 50° 31° 13 5.2 in 6.2 h/day 68%
March 57° 37° 13 4.3 in 7.5 h/day 66%
April 66° 46° 13 4.3 in 8.9 h/day 68%
May 74° 56° 16 5.2 in 10.1 h/day 76%
June 81° 63° 14 4.8 in 11.7 h/day 75%
July 85° 68° 15 5.3 in 11.3 h/day 77%
August 83° 66° 14 4.6 in 10.9 h/day 78%
September 79° 61° 8 3.7 in 9.7 h/day 75%
October 69° 51° 9 3.3 in 8.2 h/day 72%
November 57° 39° 10 2.9 in 6.8 h/day 69%
December 50° 34° 13 4.0 in 5.2 h/day 72%
14-day forecasts nearby