Johnsonville, SC 14 Day Weather - 29555 WeatherWorld.com
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Johnsonville, SC Weather Forecast


Johnsonville, SC Weather Forecast Dated: 708 PM Thu Sep 17 2026
Expect a very warm period with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 17, 2026
Mid-Morning
74°F 23°C
Sunny
Mid-Afternoon
90°F 32°C
Sunny
Early-Evening
80°F 27°C
Sunny
Very hot with temperatures reaching 90°F 32°C, sunny throughout the day, with lower humidity and steady pressure. Winds turning from the NE to the SSE at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Cloudy
Early-Evening
81°F 27°C
Scattered Showers
Quite warm reaching 83°F 28°C, feeling like 86°F 30°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
87°F 31°C
Cloudy
Early-Evening
79°F 26°C
Cloudy
Very warm near 87°F 31°C, though humidity makes it feel like 91°F 33°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the NE to the ESE at 8 mph 12 km/h.
Sunday, September 20, 2026
Mid-Morning
77°F 25°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
82°F 28°C
Partly Cloudy
Warm and summery around 86°F 30°C (feels like 89°F 32°C), partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds moving from the ENE to the SSE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
79°F 26°C
Overcast
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
78°F 26°C
Overcast
Quite warm reaching 80°F 27°C, feeling like 83°F 28°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
78°F 26°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Scattered Showers
Early-Evening
81°F 27°C
Scattered Showers
Very warm near 88°F 31°C, though humidity makes it feel like 93°F 34°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the E to the SE at 7 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
79°F 26°C
Partly Cloudy
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
81°F 27°C
Sunny
Sizzling hot near 90°F 32°C with a heat index reaching 93°F 34°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SE to the SSE at 8 mph 12 km/h.
Thursday, September 24, 2026
Mid-Morning
78°F 26°C
Sunny
Mid-Afternoon
90°F 32°C
Overcast
Early-Evening
81°F 27°C
Overcast
Hot and sweltering around 90°F 32°C (heat index 94°F 34°C), sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and barometric pressure falling. Winds turning from the SSE to the S at 9 mph 14 km/h.
Friday, September 25, 2026
Mid-Morning
69°F 21°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm temperatures up to 86°F 30°C, sunny throughout the day, with lower humidity and steady pressure. Winds out of the NNE at 9 mph 14 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 26, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
68°F 20°C
Overcast
Mild with a high of 75°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the NE to the ENE at 9 mph 14 km/h.
Sunday, September 27, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
70°F 22°C
Overcast
Pleasant near 74°F 24°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 13 mph 20 km/h. Gusts up to 24 mph 38 km/h.
Monday, September 28, 2026
Mid-Morning
66°F 19°C
Overcast
Mid-Afternoon
78°F 26°C
Overcast
Early-Evening
73°F 23°C
Overcast
Comfortable with temperatures reaching 78°F 26°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 14 mph 22 km/h. Gusts up to 26 mph 41 km/h.
Tuesday, September 29, 2026
Mid-Morning
72°F 22°C
Overcast
Mid-Afternoon
82°F 28°C
Scattered Showers
Early-Evening
78°F 25°C
Sunny
Warm and summery around 82°F 28°C (feels like 85°F 29°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NE to the ENE at 13 mph 21 km/h. Gusts up to 27 mph 43 km/h.
Wednesday, September 30, 2026
Mid-Morning
77°F 25°C
Scattered Showers
Mid-Afternoon
87°F 30°C
Scattered Showers
Early-Evening
79°F 26°C
Scattered Showers
Quite warm reaching 87°F 30°C, feeling like 91°F 33°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NE to the ENE at 9 mph 14 km/h.
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