Dorchester, SC Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dorchester, SC in one place.
Mostly sunny, with a high near 88. Northeast wind 6 to 9 mph.
Local Weather Overview
This forecast page for Dorchester, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 9:15 AM EDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Dorchester, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 9:15 AM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Dorchester
Saturday looks like the warmest upcoming period in Dorchester at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 9 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:15 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 65. East wind 2 to 6 mph.
Sunny, with a high near 86. Northeast wind 5 to 8 mph.
Mostly clear, with a low around 64.
Sunny, with a high near 88.
Mostly clear, with a low around 67.
Sunny, with a high near 90.
Mostly clear, with a low around 69.
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Mostly Sunny
|
88°F |
6 to 9 mph
NE
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
65°F |
2 to 6 mph
E
|
|
Wednesday
Sep 16
|
Sunny
|
86°F |
5 to 8 mph
NE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
64°F |
1 to 5 mph
E
|
|
Thursday
Sep 17
|
Sunny
|
88°F |
5 to 8 mph
NE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
67°F |
0 to 3 mph
NE
|
|
Friday
Sep 18
|
Sunny
|
90°F |
3 mph
NE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
69°F |
2 mph
E
|
|
Saturday
Sep 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
E
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
0 to 3 mph
SE
|
|
Sunday
Sep 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
0 to 3 mph
S
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
0 to 3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dorchester.