Charleston, WV 14-Day Forecast
West Virginia, United States 🇺🇸
82°
Sunny right now
Today: high 87°, low 56°
Updated 2 min ago
Charleston weather for the next 14 days
Wednesday, September 16
Sunny High 90° Low 67°Precipitation
4%
· 0.0 in
Max wind
5 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
07:09 AM / 07:33 PM
Thursday, September 17
Sunny High 89° Low 71°Precipitation
42%
· 0.04 in
Max wind
7 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
07:10 AM / 07:32 PM
Friday, September 18
Light rain shower High 78° Low 69°Precipitation
87%
· 0.34 in
Max wind
6 mph
Humidity
91%
UV index
6 - Moderate
Sunrise / sunset
07:10 AM / 07:30 PM
Saturday, September 19
Sunny High 88° Low 65°Precipitation
77%
· 1.26 in
Max wind
12 mph
Humidity
79%
UV index
7 - High
Sunrise / sunset
07:11 AM / 07:28 PM
Sunday, September 20
Overcast High 74° Low 66°Precipitation
92%
· 0.54 in
Max wind
6 mph
Humidity
91%
UV index
5 - Moderate
Sunrise / sunset
07:12 AM / 07:27 PM
Monday, September 21
Sunny High 88° Low 69°Precipitation
36%
· 0.01 in
Max wind
8 mph
Humidity
73%
UV index
8 - Very High
Sunrise / sunset
07:13 AM / 07:25 PM
Tuesday, September 22
Patchy rain nearby High 85° Low 70°Precipitation
77%
· 0.26 in
Max wind
4 mph
Humidity
77%
UV index
7 - High
Sunrise / sunset
07:14 AM / 07:24 PM
Wednesday, September 23
Mist High 77° Low 69°Precipitation
84%
· 0.13 in
Max wind
6 mph
Humidity
90%
UV index
6 - High
Sunrise / sunset
07:15 AM / 07:22 PM
Thursday, September 24
Overcast High 79° Low 69°Precipitation
83%
· 0.27 in
Max wind
8 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
07:16 AM / 07:20 PM
Friday, September 25
Light rain shower High 73° Low 62°Precipitation
91%
· 0.42 in
Max wind
8 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
07:17 AM / 07:19 PM
Saturday, September 26
Mist High 70° Low 57°Precipitation
65%
· 0.05 in
Max wind
10 mph
Humidity
88%
UV index
5 - Moderate
Sunrise / sunset
07:17 AM / 07:17 PM
Sunday, September 27
Sunny High 69° Low 54°Precipitation
23%
· 0.0 in
Max wind
6 mph
Humidity
77%
UV index
6 - High
Sunrise / sunset
07:18 AM / 07:16 PM
Monday, September 28
Sunny High 63° Low 50°Precipitation
6%
· 0.0 in
Max wind
9 mph
Humidity
62%
UV index
5 - Moderate
Sunrise / sunset
07:19 AM / 07:14 PM
Charleston 14-day outlook: the story
The warmest day of Charleston's 14-day outlook is Wednesday, September 16 with a high near 90°F (32°C); the coolest night comes Monday, September 28, dipping to 50°F (10°C). The trend points cooler: week two runs about 11°F below week one. Highs over the next two weeks average 85°F (29°C), about 6°F (3°C) above the typical September high of 79°F (26°C).
Precipitation is most likely on Friday 18, Saturday 19, Sunday 20, Tuesday 22 and beyond; the wettest day looks like Saturday, September 19 with about 1.26 in (31.9 mm) expected. For the weekend, expect Saturday 88°F (31°C) and sunny / Sunday 74°F (23°C) and overcast.
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 8 of the next 14 days, peaking around Saturday, September 19.
What will be the warmest day in Charleston over the next 14 days?
Wednesday, September 16, with a forecast high near 90°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
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| 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% |