Jefferson, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Jefferson, SC.

0 Active Alerts for Jefferson

✅
No active weather alerts for Jefferson at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Jefferson, SC

LANCASTER (KLKR)

NULL

68.0 F
Humidity:46%
Wind Speed:NE 6.9 G 15.0 mph
Barometer:30.19 in
Dewpoint:46.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 01:55 PM EDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Jefferson, SC

Monday

High 75 °F
Mostly Sunny
Monday
Night
Low 48 °F
Mostly Clear
Tuesday

High 75 °F
Slight Chance of Rain Showers
Tuesday
Night
Low 57 °F
Chance of T-storms
Wednesday

High 78 °F
T-storms
Wednesday
Night
Low 57 °F
T-storms
Thursday

High 75 °F
Chance of Showers
Thursday
Night
Low 48 °F
Partly Cloudy
Friday

High 73 °F
Slight Chance of Showers

Detailed Forecast — Jefferson, SC

Monday
Mostly Sunny. High near 75°F. Wind 3 to 9 mph, with gusts as high as 13 mph.
Monday Night
Mostly Clear. Low around 48°F. Wind around 2 mph, with gusts as high as 7 mph.
Tuesday
Slight Chance of Rain Showers. High near 75°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
Tuesday Night
Chance of Thunderstorms. Low around 57°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Wednesday
Thunderstorms. High near 78°F. Wind 6 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Thunderstorms. Low around 57°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Thursday
Chance of Showers. High near 75°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly Cloudy. Low around 48°F. Wind around 3 mph, with gusts as high as 8 mph.
Friday
Slight Chance of Showers. High near 73°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Friday Night
Chance of Rain. Low around 50°F. Wind 2 to 3 mph, with gusts as high as 8 mph.
Saturday
Chance of Rain Showers. High near 68°F. Wind 6 to 7 mph, with gusts as high as 13 mph.
Saturday Night
Partly Cloudy. Low around 46°F. Wind 0 to 2 mph, with gusts as high as 6 mph.
Sunday
Partly Sunny. High near 73°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
SC Radar
Current Radar • SC
Day 1 Outlook • April 27, 2026

Observation History — Jefferson, SC

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:55 PM EDT NE 6.9 G 15.0 10.00 NULL -- 68.0 46.4 46% NA NA 30.19 1022.4
01:35 PM EDT 0.0 10.00 Partly Cloudy -- 66.2 46.4 49% NA NA 30.21 1023.0
01:15 PM EDT E 8.1 10.00 Mostly Clear -- 66.2 46.4 49% NA NA 30.22 1023.4
12:55 PM EDT 6.9 10.00 Mostly Clear -- 66.2 46.4 49% NA NA 30.22 1023.4
12:35 PM EDT 5.8 G 12.8 10.00 Clear -- 64.4 46.4 52% NA NA 30.22 1023.4
12:15 PM EDT 8.1 G 15.0 10.00 Clear -- 62.6 46.4 55% NA NA 30.22 1023.4
11:55 AM EDT 6.9 G 13.9 10.00 Mostly Clear -- 64.4 46.4 52% NA NA 30.22 1023.4
11:35 AM EDT 11.4 G 17.2 10.00 NULL -- 62.6 46.4 55% NA NA 30.23 1023.7
11:15 AM EDT 11.4 10.00 NULL -- 60.8 44.6 55% NA NA 30.23 1023.7
10:55 AM EDT 5.8 G 15.0 10.00 NULL -- 59.0 44.6 59% NA NA 30.25 1024.1
10:35 AM EDT 6.9 G 15.0 10.00 NULL -- 57.2 44.6 63% NA NA 30.25 1024.1
10:15 AM EDT NE 9.2 10.00 NULL -- 55.4 44.6 67% NA NA 30.25 1024.1
09:55 AM EDT 10.3 10.00 NULL -- 55.4 44.6 67% NA NA 30.23 1023.7
09:35 AM EDT 6.9 G 15.0 10.00 NULL -- 55.4 44.6 67% NA NA 30.23 1023.7
09:15 AM EDT NE 8.1 G 13.9 10.00 NULL -- 55.4 44.6 67% NA NA 30.23 1023.7
08:55 AM EDT 8.1 10.00 NULL -- 53.6 44.6 71% NA NA 30.22 1023.4
08:35 AM EDT 4.7 G 11.4 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.22 1023.4
08:15 AM EDT 10.00 Cloudy -- NULL % NA NA M
07:55 AM EDT NE 6.9 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.22 1023.4
07:35 AM EDT 4.7 G 11.4 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.22 1023.4
07:15 AM EDT 5.8 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.21 1023.0
06:55 AM EDT 5.8 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.21 1023.0
06:30 AM EDT NE 6.9 10.00 Cloudy -- 53.6 44.6 71% NA NA 30.19 1022.4
06:15 AM EDT NE 6.9 10.00 Cloudy -- 53.6 42.8 67% NA NA 30.19 1022.4

Regional Weather Observation

LANCASTER (KLKR)

NULL
68.0 F

MONROE (KEQY)

Clear
68.0 F

WADESBORO/ANSON (KAFP)

Clear
70.0 F

HARTSVILLE (KHVS)

Clear
68.0 F

CAMDEN WOODWARD (KCDN)

Clear
66.2 F

CHARLOTTE (KCLT)

Clear
66.2 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe