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Barnwell SC Weather - Mostly Clear - 86°F
Mostly Clear
86°F
Updated 2:16 pm
Feels Like 92°F
Humidity 49%
Wind VRB 7 mph
Barometer  30.23 in
Dew Point 65°F
Barnwell SC Weather - Mostly Clear - 30°C
Mostly Clear
30°C
Updated 2:16 pm
Feels Like 34°C
Humidity 49%
Wind VRB 11 km/h
Barometer  102.3 kPa
Dew Point 18°C
Barnwell, SC Weather and Current Conditionsbarnwell sc weather forecast

Barnwell, SC Weather Forecast

Barnwell South Carolina WeatherBarnwell, South Carolina Weather Weather Forecast
14 day API forecast for Barnwell, South Carolina. Note. The 7-day weather forecast for Barnwell, SC is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Barnwell, SC Weather Forecast Dated: 216 PM Tue Sep 08 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.

Tuesday, September 8, 2026

Mid-Morning
Barnwell Weather - 2026-09-08 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-08 - Afternoon - Cloudy
89°F 32°C
Cloudy
Early-Evening
Barnwell Weather - 2026-09-08 - Evening - Partly Cloudy
82°F 28°C
Partly Cloudy
Warm and summery near 89°F 32°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the ENE to the ESE at 9 mph 14 km/h.

Wednesday, September 9, 2026

Mid-Morning
Barnwell Weather - 2026-09-09 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Barnwell Weather - 2026-09-09 - Afternoon - Partly Cloudy
92°F 33°C
Partly Cloudy
Early-Evening
Barnwell Weather - 2026-09-09 - Evening - Sunny
84°F 29°C
Sunny
Hot and sweltering around 92°F 33°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds switching from the ENE to the ESE at 7 mph 11 km/h.

Thursday, September 10, 2026

Mid-Morning
Barnwell Weather - 2026-09-10 - Morning - Overcast
78°F 25°C
Overcast
Mid-Afternoon
Barnwell Weather - 2026-09-10 - Afternoon - Partly Cloudy
93°F 34°C
Partly Cloudy
Early-Evening
Barnwell Weather - 2026-09-10 - Evening - Partly Cloudy
87°F 31°C
Partly Cloudy
Very hot with a high of 93°F 34°C, feeling closer to 96°F 35°C in the humidity, overcast in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling.

Friday, September 11, 2026

Mid-Morning
Barnwell Weather - 2026-09-11 - Morning - Partly Cloudy
80°F 27°C
Partly Cloudy
Mid-Afternoon
Barnwell Weather - 2026-09-11 - Afternoon - Light Showers
94°F 34°C
Light Showers
Early-Evening
Barnwell Weather - 2026-09-11 - Evening - Scattered Showers
85°F 29°C
Scattered Showers
Sizzling hot near 94°F 34°C with a heat index reaching 98°F 37°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Barnwell Weather - 2026-09-12 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-12 - Afternoon - Scattered Showers
91°F 33°C
Scattered Showers
Early-Evening
Barnwell Weather - 2026-09-12 - Evening - Sunny
85°F 30°C
Sunny
Hot and sweltering around 91°F 33°C (heat index 96°F 36°C), scattered downpours possible, with lower humidity and steady pressure. Winds moving from the W to the SSE at 6 mph 9 km/h.

Sunday, September 13, 2026

Mid-Morning
Barnwell Weather - 2026-09-13 - Morning - Partly Cloudy
79°F 26°C
Partly Cloudy
Mid-Afternoon
Barnwell Weather - 2026-09-13 - Afternoon - Overcast
92°F 34°C
Overcast
Early-Evening
Barnwell Weather - 2026-09-13 - Evening - Overcast
85°F 30°C
Overcast
Very hot with a high of 92°F 34°C, feeling closer to 99°F 37°C in the humidity, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Barnwell Weather - 2026-09-14 - Morning - Sunny
80°F 27°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-14 - Afternoon - Cloudy
94°F 35°C
Cloudy
Early-Evening
Barnwell Weather - 2026-09-14 - Evening - Sunny
90°F 32°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 100°F 38°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.

Tuesday, September 15, 2026

Mid-Morning
Barnwell Weather - 2026-09-15 - Morning - Sunny
82°F 28°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-15 - Afternoon - Cloudy
98°F 37°C
Cloudy
Early-Evening
Barnwell Weather - 2026-09-15 - Evening - Scattered Showers
90°F 32°C
Scattered Showers
Hot and sweltering around 98°F 37°C (heat index 103°F 39°C), scattered downpours possible, with lower humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Barnwell Weather - 2026-09-16 - Morning - Sunny
84°F 29°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-16 - Afternoon - Partly Cloudy
99°F 37°C
Partly Cloudy
Early-Evening
Barnwell Weather - 2026-09-16 - Evening - Scattered Showers
88°F 31°C
Scattered Showers
Very hot with a high of 99°F 37°C, feeling closer to 104°F 40°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds out of the N at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Barnwell Weather - 2026-09-17 - Morning - Overcast
77°F 25°C
Overcast
Mid-Afternoon
Barnwell Weather - 2026-09-17 - Afternoon - Light Showers
74°F 24°C
Light Showers
Early-Evening
Barnwell Weather - 2026-09-17 - Evening - Light Showers
70°F 21°C
Light Showers
Mild with a high of 74°F 24°C, drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds shifting from the SW to the NE at 11 mph 18 km/h. Gusts up to 21 mph 34 km/h.

Friday, September 18, 2026

Mid-Morning
Barnwell Weather - 2026-09-18 - Morning - Overcast
69°F 21°C
Overcast
Mid-Afternoon
Barnwell Weather - 2026-09-18 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Barnwell Weather - 2026-09-18 - Evening - Overcast
77°F 25°C
Overcast
Pleasant near 77°F 25°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds NE at 9 mph 14 km/h.

Saturday, September 19, 2026

Mid-Morning
Barnwell Weather - 2026-09-19 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Barnwell Weather - 2026-09-19 - Afternoon - Sunny
85°F 29°C
Sunny
Early-Evening
Barnwell Weather - 2026-09-19 - Evening - Sunny
81°F 28°C
Sunny
Very warm near 85°F 29°C, though humidity makes it feel like 89°F 32°C, cloudy through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Barnwell Weather - 2026-09-20 - Morning - Cloudy
77°F 25°C
Cloudy
Mid-Afternoon
Barnwell Weather - 2026-09-20 - Afternoon - Light Showers
86°F 30°C
Light Showers
Early-Evening
Barnwell Weather - 2026-09-20 - Evening - Heavy Rain
75°F 24°C
Heavy Rain
Warm and summery around 86°F 30°C (feels like 92°F 33°C), drier morning followed by showers lasting through evening, with steady humidity and steady pressure. Winds picking up from NW at 5 mph 8 km/h to E at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.

Monday, September 21, 2026

Mid-Morning
Barnwell Weather - 2026-09-21 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Barnwell Weather - 2026-09-21 - Afternoon - Light Showers
60°F 16°C
Light Showers
Early-Evening
Barnwell Weather - 2026-09-21 - Evening - Scattered Showers
60°F 15°C
Scattered Showers
Mildly cool near 60°F 16°C, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the NE to the NNE at 10 mph 15 km/h.

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Weather by the Numbers

Tue, 8th
Barnwell SC Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 89°F 32°C
Lo: 69°F 21°C
Sunrise 07:04 AM
Sunset 07:41 PM
Wind ENE 13 mph20 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 30.21 in1023 mb
POP 4% *
Humidity 59%
Wed, 9th
Barnwell SC Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 92°F 33°C
Lo: 71°F 22°C
Sunrise 07:05 AM
Sunset 07:40 PM
Wind ENE 9 mph14 km/h
Dew Point 64°F18°C
uv Index 7
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 46%
Thu, 10th
Barnwell SC Weather - Thursday, Sep 10, 2026 - Partly Cloudy
Hi: 93°F 34°C
Lo: 73°F 23°C
Sunrise 07:06 AM
Sunset 07:39 PM
Wind E 4 mph6 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 52%
Fri, 11th
Barnwell SC Weather - Friday, Sep 11, 2026 - Cloudy
Hi: 95°F 35°C
Lo: 76°F 24°C
Sunrise 07:06 AM
Sunset 07:37 PM
Wind S 1 mph2 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 6% *
Humidity 48%
Sat, 12th
Barnwell SC Weather - Saturday, Sep 12, 2026 - Cloudy
Hi: 93°F 34°C
Lo: 74°F 23°C
Sunrise 07:07 AM
Sunset 07:36 PM
Wind S 6 mph10 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 55%
Sun, 13th
Barnwell SC Weather - Sunday, Sep 13, 2026 - Overcast
Hi: 93°F 34°C
Lo: 75°F 24°C
Sunrise 07:08 AM
Sunset 07:35 PM
Wind SW 7 mph11 km/h
Dew Point 70°F21°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 8% *
Humidity 55%
Mon, 14th
Barnwell SC Weather - Monday, Sep 14, 2026 - Cloudy
Hi: 95°F 35°C
Lo: 76°F 24°C
Sunrise 07:08 AM
Sunset 07:33 PM
Wind SW 6 mph10 km/h
Dew Point 68°F20°C
uv Index 7
Barometric Pressure 30.15 in1021 mb
POP 3% *
Humidity 49%
Tue, 15th
Barnwell SC Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 99°F 37°C
Lo: 77°F 25°C
Sunrise 07:09 AM
Sunset 07:32 PM
Wind W 4 mph7 km/h
Dew Point 67°F19°C
uv Index 8
Barometric Pressure 30.18 in1022 mb
POP 2% *
Humidity 43%
Wed, 16th
Barnwell SC Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 99°F 37°C
Lo: 79°F 26°C
Sunrise 07:10 AM
Sunset 07:31 PM
Wind SE 6 mph10 km/h
Dew Point 66°F19°C
uv Index 8
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 40%
Thu, 17th
Barnwell SC Weather - Thursday, Sep 17, 2026 - Patchy Rain Nearby
Hi: 79°F 26°C
Lo: 69°F 21°C
Sunrise 07:10 AM
Sunset 07:29 PM
Wind NE 8 mph12 km/h
Dew Point 72°F22°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 28% *
Humidity 88%
Fri, 18th
Barnwell SC Weather - Friday, Sep 18, 2026 - Overcast
Hi: 78°F 26°C
Lo: 66°F 19°C
Sunrise 07:11 AM
Sunset 07:28 PM
Wind NE 10 mph16 km/h
Dew Point 67°F19°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 21% *
Humidity 76%
Sat, 19th
Barnwell SC Weather - Saturday, Sep 19, 2026 - Patchy Rain Nearby
Hi: 85°F 30°C
Lo: 72°F 22°C
Sunrise 07:12 AM
Sunset 07:26 PM
Wind WNW 5 mph8 km/h
Dew Point 69°F21°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 8% *
Humidity 68%
Sun, 20th
Barnwell SC Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 88°F 31°C
Lo: 70°F 21°C
Sunrise 07:12 AM
Sunset 07:25 PM
Wind W 5 mph8 km/h
Dew Point 69°F21°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 18% *
Humidity 63%
Mon, 21st
Barnwell SC Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 69°F 21°C
Lo: 59°F 15°C
Sunrise 07:13 AM
Sunset 07:24 PM
Wind NNE 11 mph17 km/h
Dew Point 60°F16°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 68% *
Humidity 96%
* POP = Probability of Precipitation. Data for 12:00 PM.