Current Weather Forecast for Johns Island

SC 29455  |   11:32pm

Weather Conditions

77°

Feels Like 77°

Partly Cloudy

73° 91°

0

UV Index

Moderate

Air Quality

W 1 mph

Wind

0 in

rain

Tonight

Mon 9/21

72°

Lowest Temperature

18%

A few clouds. Low 72F. Winds light and variable.

Tomorrow

Tue 9/22

86°

Highest Temperature

58%

Partly cloudy early. Scattered thunderstorms developing in the afternoon. High 86F. Winds NE at 5 to 10 mph. Chance of rain 60%.

Tomorrow night

Tue 9/22

71°

Lowest Temperature

21%

A few clouds. Low 71F. Winds light and variable.

Next 12 Hours Next 7 Days

Next 12 Hours Forecast in Johns Island

Hourly Weather Forecast & Temperature

12AM

7%

77°

Feels Like 77°

Partly Cloudy

NE 0 mph

Wind

1014 mb

Pressure

95%

Humidity

0

UV Index

10mi

Visibility

39%

Cloud Cover

1AM

14%

76°

Feels Like 76°

Partly Cloudy

NNE 0 mph

Wind

1014 mb

Pressure

97%

Humidity

0

UV Index

10mi

Visibility

55%

Cloud Cover

2AM

16%

76°

Feels Like 76°

Mostly Cloudy

NNE 1 mph

Wind

1014 mb

Pressure

97%

Humidity

0

UV Index

8mi

Visibility

68%

Cloud Cover

3AM

16%

75°

Feels Like 75°

Mostly Cloudy

NNE 1 mph

Wind

1014 mb

Pressure

98%

Humidity

0

UV Index

7mi

Visibility

69%

Cloud Cover

4AM

13%

74°

Feels Like 74°

Mostly Cloudy

N 1 mph

Wind

1014 mb

Pressure

99%

Humidity

0

UV Index

7mi

Visibility

67%

Cloud Cover

5AM

12%

74°

Feels Like 74°

Partly Cloudy

N 1 mph

Wind

1014 mb

Pressure

99%

Humidity

0

UV Index

7mi

Visibility

59%

Cloud Cover

6AM

19%

73°

Feels Like 73°

Partly Cloudy

N 2 mph

Wind

1014 mb

Pressure

100%

Humidity

0

UV Index

6mi

Visibility

53%

Cloud Cover

7AM

30%

73°

Feels Like 76°

Isolated Thunderstorms

N 2 mph

Wind

1015 mb

Pressure

100%

Humidity

0

UV Index

6mi

Visibility

56%

Cloud Cover

8AM

23%

74°

Feels Like 79°

Mostly Cloudy

NNE 3 mph

Wind

1015 mb

Pressure

98%

Humidity

0

UV Index

8mi

Visibility

65%

Cloud Cover

9AM

16%

77°

Feels Like 82°

Partly Cloudy

NNE 4 mph

Wind

1015 mb

Pressure

93%

Humidity

1

UV Index

10mi

Visibility

52%

Cloud Cover

10AM

11%

80°

Feels Like 86°

Partly Cloudy

NNE 6 mph

Wind

1015 mb

Pressure

84%

Humidity

3

UV Index

10mi

Visibility

55%

Cloud Cover

11AM

7%

82°

Feels Like 89°

Mostly Cloudy

NNE 6 mph

Wind

1015 mb

Pressure

76%

Humidity

5

UV Index

10mi

Visibility

61%

Cloud Cover

Mon 9/21

Mon

18%

73°

91°

Partly cloudy. Lows overnight in the low 70s.

83°

Feels Like

NNE 2 mph

Wind

98%

Humidity

0

UV Index

7:08 AM

Sunrise

7:18 PM

Sunset

Tue 9/22

Tue

58%

72°

86°

Afternoon thunderstorms. Highs in the mid 80s and lows in the low 70s.

93°

Feels Like

NE 8 mph

Wind

81%

Humidity

7

UV Index

7:08 AM

Sunrise

7:17 PM

Sunset

Wed 9/23

Wed

24%

68°

80°

Clouds giving way to sun . Highs in the low 80s and lows in the mid 60s.

84°

Feels Like

NNE 11 mph

Wind

81%

Humidity

6

UV Index

7:09 AM

Sunrise

7:15 PM

Sunset

Thu 9/24

Thu

24%

63°

76°

Mostly cloudy. Highs in the mid 70s and lows in the upper 50s.

76°

Feels Like

NNE 13 mph

Wind

75%

Humidity

6

UV Index

7:10 AM

Sunrise

7:14 PM

Sunset

Fri 9/25

Fri

12%

58°

76°

Sunny. Highs in the mid 70s and lows in the mid 50s.

76°

Feels Like

N 10 mph

Wind

62%

Humidity

8

UV Index

7:10 AM

Sunrise

7:13 PM

Sunset

Sat 9/26

Sat

4%

54°

79°

Sunny. Highs in the upper 70s and lows in the upper 50s.

79°

Feels Like

N 7 mph

Wind

52%

Humidity

8

UV Index

7:11 AM

Sunrise

7:11 PM

Sunset

Sun 9/27

Sun

4%

57°

83°

Partly cloudy. Highs in the low 80s and lows in the upper 50s.

83°

Feels Like

NW 6 mph

Wind

53%

Humidity

8

UV Index

7:12 AM

Sunrise

7:10 PM

Sunset

Mon 9/28

Mon

4%

59°

84°

Times of sun and clouds. Highs in the mid 80s and lows in the low 60s.

84°

Feels Like

NE 6 mph

Wind

60%

Humidity

8

UV Index

7:12 AM

Sunrise

7:09 PM

Sunset

Plans up in the air? We'll help you weather-proof them. Get the FREE FOX Weather app.

Download the App

Latest Stories from South Carolina

These US beaches are home to some of America's most venomous snakes

Beachgoers may be watching for rip currents, rough surf or even sharks, but snakes aren’t the first thing that comes to mind when heading to the beach.

Persistent downpours trigger flood threat for drought-ridden Southeast through the weekend

Prolonged late-summer downpours and thunderstorms continue to hammer the Southeast, with high pressure funneling in tropical moisture and increasing the flood threat into the weekend.

Summer 2026 officially ranks as the hottest summer on record across the US

NOAA announced Wednesday that summer 2026 was the warmest summer on record for the Lower 48 in 132 years of record-keeping.

Several days of heavy rain and thunderstorms to persist across the Gulf Coast

The cold front moving across the Southeast this weekend is expected to stall near the Gulf Coast, fueling a prolonged period of heavy rain.

Load More Stories