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
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
| 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% |
14-day forecasts nearby