Jamestown, SC Weather Forecast

Local 7-day forecast

89°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Jamestown, SC in one place.

Thursday, September 17, 2026
Wind: 3 mph NE
Today

Sunny, with a high near 89. Northeast wind around 3 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Jamestown, 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 17, 2026 10:22 AM EDT.

The active forecast window currently covers Sep 17 to Sep 23, 2026 for Jamestown, SC.

Page Snapshot

Page focus
city weather
Forecast window
Sep 17 to Sep 23, 2026
Latest sync
Sep 17, 2026 10:22 AM EDT
Forecast office
CHS
Source
NOAA / NWS
Next High
89°F
Today
Next Low
66°F
Tonight
Rain Outlook
10
Periods mentioning precipitation
Windiest
5 to 9 mph
Wednesday

Daily Outlook

Today
Sep 17
Sunny
89 °F
/ 66°F
Wind 3 mph
Fri
Sep 18
Sunny
93 °F
/ 70°F
Wind 2 mph
Sat
Sep 19
Mostly Sunny then Chance Showers And Thunderstorms
91 °F
/ 70°F
Wind 0 to 5 mph
Sun
Sep 20
Chance Showers And Thunderstorms
89 °F
/ 70°F
Wind 0 to 3 mph
Mon
Sep 21
Chance Showers And Thunderstorms
89 °F
/ 70°F
Wind 0 to 3 mph
Tue
Sep 22
Showers And Thunderstorms Likely
86 °F
/ 69°F
Wind 0 to 5 mph
Wed
Sep 23
Chance Showers And Thunderstorms
84 °F
/ 68°F
Wind 5 to 9 mph

This Week in Jamestown

Friday looks like the warmest upcoming period in Jamestown at 93 degrees F.

Tonight is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Wednesday at about 5 to 9 mph NE.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Sep 17, 2026 10:22 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
CHS
Radar station
KLTX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Sep 17
66°F
Mostly Clear
2 mph E

Mostly clear, with a low around 66. East wind around 2 mph.

Friday
Sep 18
93°F
Sunny
2 mph SW

Sunny, with a high near 93. Southwest wind around 2 mph.

Friday Night
Sep 18
70°F
Mostly Clear
2 mph S

Mostly clear, with a low around 70. South wind around 2 mph.

Saturday
Sep 19
91°F
Mostly Sunny then Chance Showers And Thunderstorms
0 to 5 mph E

A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Saturday Night
Sep 19
70°F
Chance Showers And Thunderstorms then Partly Cloudy
0 to 3 mph E

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Sunday
Sep 20
89°F
Chance Showers And Thunderstorms
0 to 3 mph E

A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Sunday Night
Sep 20
70°F
Chance Showers And Thunderstorms then Partly Cloudy
2 mph E

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 40%.

Monday
Sep 21
89°F
Chance Showers And Thunderstorms
0 to 3 mph E

A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 40%.

Monday Night
Sep 21
70°F
Chance Showers And Thunderstorms
2 mph E

A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Tuesday
Sep 22
86°F
Showers And Thunderstorms Likely
0 to 5 mph NE

Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Tuesday Night
Sep 22
69°F
Showers And Thunderstorms Likely
3 mph NE

Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Wednesday
Sep 23
84°F
Chance Showers And Thunderstorms
5 to 9 mph NE

A chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Wednesday Night
Sep 23
68°F
Chance Showers And Thunderstorms
5 to 8 mph NE

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

Detailed Forecast

Period Conditions Temp Wind
Today
Sep 17
Sunny
89°F
3 mph
NE
Tonight
Sep 17
Mostly Clear
66°F
2 mph
E
Friday
Sep 18
Sunny
93°F
2 mph
SW
Friday Night
Sep 18
Mostly Clear
70°F
2 mph
S
Saturday
Sep 19
Mostly Sunny then Chance Showers And Thunderstorms
91°F
0 to 5 mph
E
Saturday Night
Sep 19
Chance Showers And Thunderstorms then Partly Cloudy
70°F
0 to 3 mph
E
Sunday
Sep 20
Chance Showers And Thunderstorms
89°F
0 to 3 mph
E
Sunday Night
Sep 20
Chance Showers And Thunderstorms then Partly Cloudy
70°F
2 mph
E
Monday
Sep 21
Chance Showers And Thunderstorms
89°F
0 to 3 mph
E
Monday Night
Sep 21
Chance Showers And Thunderstorms
70°F
2 mph
E
Tuesday
Sep 22
Showers And Thunderstorms Likely
86°F
0 to 5 mph
NE
Tuesday Night
Sep 22
Showers And Thunderstorms Likely
69°F
3 mph
NE
Wednesday
Sep 23
Chance Showers And Thunderstorms
84°F
5 to 9 mph
NE
Wednesday Night
Sep 23
Chance Showers And Thunderstorms
68°F
5 to 8 mph
NE
Jamestown  South Carolina downtown
Jamestown South Carolina downtown image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.