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Blenheim SC Weather - Mostly Cloudy - 68°F
Mostly Cloudy
68°F
Updated 5:11 am
Feels Like 67°F
Humidity 83%
Wind NE 8 mph
Barometer  30.18 in
Dew Point 63°F
Blenheim SC Weather - Mostly Cloudy - 20°C
Mostly Cloudy
20°C
Updated 5:11 am
Feels Like 20°C
Humidity 83%
Wind NE 13 km/h
Barometer  102.2 kPa
Dew Point 17°C
Blenheim, SC Weather and Current Conditionsblenheim sc weather forecast

Blenheim, SC Weather Forecast

Blenheim South Carolina WeatherBlenheim, South Carolina Weather Weather Forecast
14 day API weather forecast for Blenheim, South Carolina. Note: The 7-day weather forecast for Blenheim, SC is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Blenheim, SC Weather Forecast Dated: 511 AM Tue Sep 08 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. A few thunderstorms possible.

Tuesday, September 8, 2026

Mid-Morning
Blenheim Weather - 2026-09-08 - Morning - Sunny
76°F 24°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-08 - Afternoon - Overcast
89°F 32°C
Overcast
Early-Evening
Blenheim Weather - 2026-09-08 - Evening - Partly Cloudy
81°F 28°C
Partly Cloudy
Warm and summery near 89°F 32°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds turning from the ENE to the SE at 7 mph 11 km/h.

Wednesday, September 9, 2026

Mid-Morning
Blenheim Weather - 2026-09-09 - Morning - Sunny
74°F 23°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-09 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Blenheim Weather - 2026-09-09 - Evening - Overcast
82°F 27°C
Overcast
Hot and sweltering around 91°F 33°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.

Thursday, September 10, 2026

Mid-Morning
Blenheim Weather - 2026-09-10 - Morning - Sunny
76°F 25°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-10 - Afternoon - Sunny
95°F 35°C
Sunny
Early-Evening
Blenheim Weather - 2026-09-10 - Evening - Sunny
87°F 31°C
Sunny
Sizzling hot with 95°F 35°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Friday, September 11, 2026

Mid-Morning
Blenheim Weather - 2026-09-11 - Morning - Overcast
80°F 27°C
Overcast
Mid-Afternoon
Blenheim Weather - 2026-09-11 - Afternoon - Light Showers
96°F 36°C
Light Showers
Early-Evening
Blenheim Weather - 2026-09-11 - Evening - Light Showers
73°F 23°C
Light Showers
Sizzling hot near 96°F 36°C with a heat index reaching 100°F 38°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. A stray shower or storm late in the day. Winds building from SSW at 3 mph 5 km/h to S at 11 mph 18 km/h. Gusts up to 24 mph 39 km/h.

Saturday, September 12, 2026

Mid-Morning
Blenheim Weather - 2026-09-12 - Morning - Sunny
78°F 25°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-12 - Afternoon - Partly Cloudy
92°F 33°C
Partly Cloudy
Early-Evening
Blenheim Weather - 2026-09-12 - Evening - Light Showers
84°F 29°C
Light Showers
Hot and sweltering around 92°F 33°C (heat index 99°F 37°C), mainly dry until evening showers arrive, with steady humidity and steady pressure. A stray shower or storm late in the day.

Sunday, September 13, 2026

Mid-Morning
Blenheim Weather - 2026-09-13 - Morning - Sunny
78°F 26°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-13 - Afternoon - Partly Cloudy
91°F 33°C
Partly Cloudy
Early-Evening
Blenheim Weather - 2026-09-13 - Evening - Scattered Showers
82°F 28°C
Scattered Showers
Very hot with a high of 91°F 33°C, feeling closer to 97°F 36°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure.

Monday, September 14, 2026

Mid-Morning
Blenheim Weather - 2026-09-14 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-14 - Afternoon - Overcast
90°F 32°C
Overcast
Early-Evening
Blenheim Weather - 2026-09-14 - Evening - Light Showers
80°F 27°C
Light Showers
Sizzling hot near 90°F 32°C with a heat index reaching 96°F 35°C, drier conditions through late afternoon before showers move in, with steady humidity and steady pressure. A stray shower or storm late in the day.

Tuesday, September 15, 2026

Mid-Morning
Blenheim Weather - 2026-09-15 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-15 - Afternoon - Overcast
91°F 33°C
Overcast
Early-Evening
Blenheim Weather - 2026-09-15 - Evening - Overcast
84°F 29°C
Overcast
Hot and sweltering around 91°F 33°C (heat index 98°F 37°C), partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds moving from the SSW to the SW at 6 mph 10 km/h.

Wednesday, September 16, 2026

Mid-Morning
Blenheim Weather - 2026-09-16 - Morning - Sunny
79°F 26°C
Sunny
Mid-Afternoon
Blenheim Weather - 2026-09-16 - Afternoon - Nearby Thunderstorms
92°F 34°C
Nearby Thunderstorms
Early-Evening
Blenheim Weather - 2026-09-16 - Evening - Light Showers
80°F 27°C
Light Showers
Very hot with a high of 92°F 34°C, feeling closer to 100°F 38°C in the humidity, heavy thunderstorms conditions at times, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the SW to the W at 8 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Blenheim Weather - 2026-09-17 - Morning - Light Showers
71°F 22°C
Light Showers
Mid-Afternoon
Blenheim Weather - 2026-09-17 - Afternoon - Scattered Showers
72°F 22°C
Scattered Showers
Early-Evening
Blenheim Weather - 2026-09-17 - Evening - Overcast
69°F 21°C
Overcast
Mild with a high of 72°F 22°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.

Friday, September 18, 2026

Mid-Morning
Blenheim Weather - 2026-09-18 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Blenheim Weather - 2026-09-18 - Afternoon - Cloudy
73°F 23°C
Cloudy
Early-Evening
Blenheim Weather - 2026-09-18 - Evening - Partly Cloudy
72°F 22°C
Partly Cloudy
Pleasant near 73°F 23°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds turning from the NE to the ESE at 5 mph 7 km/h.

Saturday, September 19, 2026

Mid-Morning
Blenheim Weather - 2026-09-19 - Morning - Partly Cloudy
74°F 23°C
Partly Cloudy
Mid-Afternoon
Blenheim Weather - 2026-09-19 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Blenheim Weather - 2026-09-19 - Evening - Sunny
81°F 28°C
Sunny
Very warm near 88°F 31°C, though humidity makes it feel like 91°F 33°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds switching from the WSW to the SW at 8 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Blenheim Weather - 2026-09-20 - Morning - Scattered Showers
71°F 21°C
Scattered Showers
Mid-Afternoon
Blenheim Weather - 2026-09-20 - Afternoon - Partly Cloudy
78°F 26°C
Partly Cloudy
Early-Evening
Blenheim Weather - 2026-09-20 - Evening - Overcast
72°F 22°C
Overcast
Enjoyable around 78°F 26°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds moving from the ENE to the NE at 11 mph 18 km/h.

Monday, September 21, 2026

Mid-Morning
Blenheim Weather - 2026-09-21 - Morning - Heavy Rain Showers
56°F 14°C
Heavy Rain Showers
Mid-Afternoon
Blenheim Weather - 2026-09-21 - Afternoon - Light Showers
59°F 15°C
Light Showers
Early-Evening
Blenheim Weather - 2026-09-21 - Evening - Light Showers
59°F 15°C
Light Showers
Mildly cool near 59°F 15°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds NNE at 10 mph 15 km/h. Gusts up to 23 mph 38 km/h.

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Weather by the Numbers

Tue, 8th
Blenheim SC Weather - Tuesday, Sep 8, 2026 - Sunny
Hi: 90°F 32°C
Lo: 66°F 19°C
Sunrise 06:57 AM
Sunset 07:35 PM
Wind ENE 11 mph17 km/h
Dew Point 65°F18°C
uv Index 7
Barometric Pressure 30.24 in1024 mb
POP 1% *
Humidity 45%
Wed, 9th
Blenheim SC Weather - Wednesday, Sep 9, 2026 - Cloudy
Hi: 91°F 33°C
Lo: 65°F 18°C
Sunrise 06:58 AM
Sunset 07:34 PM
Wind E 6 mph9 km/h
Dew Point 56°F13°C
uv Index 7
Barometric Pressure 30.24 in1024 mb
POP 6% *
Humidity 36%
Thu, 10th
Blenheim SC Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 96°F 35°C
Lo: 67°F 20°C
Sunrise 06:58 AM
Sunset 07:33 PM
Wind WSW 5 mph9 km/h
Dew Point 63°F17°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 41%
Fri, 11th
Blenheim SC Weather - Friday, Sep 11, 2026 - Sunny
Hi: 98°F 37°C
Lo: 69°F 21°C
Sunrise 06:59 AM
Sunset 07:31 PM
Wind SW 2 mph3 km/h
Dew Point 69°F21°C
uv Index 7
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 44%
Sat, 12th
Blenheim SC Weather - Saturday, Sep 12, 2026 - Sunny
Hi: 93°F 34°C
Lo: 70°F 21°C
Sunrise 07:00 AM
Sunset 07:30 PM
Wind ESE 2 mph4 km/h
Dew Point 71°F21°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 4% *
Humidity 63%
Sun, 13th
Blenheim SC Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 92°F 33°C
Lo: 71°F 22°C
Sunrise 07:00 AM
Sunset 07:28 PM
Wind E 4 mph6 km/h
Dew Point 70°F21°C
uv Index 8
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 57%
Mon, 14th
Blenheim SC Weather - Monday, Sep 14, 2026 - Partly Cloudy
Hi: 92°F 33°C
Lo: 73°F 23°C
Sunrise 07:01 AM
Sunset 07:27 PM
Wind WSW 2 mph3 km/h
Dew Point 70°F21°C
uv Index 8
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 54%
Tue, 15th
Blenheim SC Weather - Tuesday, Sep 15, 2026 - Cloudy
Hi: 94°F 34°C
Lo: 74°F 23°C
Sunrise 07:02 AM
Sunset 07:25 PM
Wind SW 8 mph13 km/h
Dew Point 71°F21°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 55%
Wed, 16th
Blenheim SC Weather - Wednesday, Sep 16, 2026 - Thundery Outbreaks In Nearby
Hi: 95°F 35°C
Lo: 73°F 23°C
Sunrise 07:03 AM
Sunset 07:24 PM
Wind SW 7 mph11 km/h
Dew Point 71°F22°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 55%
Thu, 17th
Blenheim SC Weather - Thursday, Sep 17, 2026 - Patchy Rain Nearby
Hi: 74°F 23°C
Lo: 66°F 19°C
Sunrise 07:03 AM
Sunset 07:23 PM
Wind NE 11 mph17 km/h
Dew Point 64°F18°C
uv Index 5
Barometric Pressure 30.27 in1025 mb
POP 42% *
Humidity 85%
Fri, 18th
Blenheim SC Weather - Friday, Sep 18, 2026 - Overcast
Hi: 75°F 24°C
Lo: 66°F 19°C
Sunrise 07:04 AM
Sunset 07:21 PM
Wind NE 8 mph13 km/h
Dew Point 58°F15°C
uv Index 5
Barometric Pressure 30.33 in1027 mb
POP 17% *
Humidity 67%
Sat, 19th
Blenheim SC Weather - Saturday, Sep 19, 2026 - Partly Cloudy
Hi: 89°F 32°C
Lo: 69°F 20°C
Sunrise 07:05 AM
Sunset 07:20 PM
Wind WSW 6 mph10 km/h
Dew Point 66°F19°C
uv Index 7
Barometric Pressure 30.12 in1020 mb
POP 5% *
Humidity 58%
Sun, 20th
Blenheim SC Weather - Sunday, Sep 20, 2026 - Partly Cloudy
Hi: 78°F 26°C
Lo: 66°F 19°C
Sunrise 07:05 AM
Sunset 07:18 PM
Wind ENE 14 mph22 km/h
Dew Point 56°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 7% *
Humidity 54%
Mon, 21st
Blenheim SC Weather - Monday, Sep 21, 2026 - Light Rain Shower
Hi: 63°F 17°C
Lo: 56°F 13°C
Sunrise 07:06 AM
Sunset 07:17 PM
Wind NNE 9 mph15 km/h
Dew Point 57°F14°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 88% *
Humidity 98%
* POP = Probability of Precipitation. Data for 12:00 PM.