Local Forecast

Johns Island, SC Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Johns Island, SC

No Active Alerts

Hour-by-Hour  Current Observation

Tuesday 6:35 PM EDTTuesday 6:35 PM

°F °C
Regional Observations →
86°F

Clear

  • 91° / 77° High / Low
  • 95° Feels Like
  • 0% Chance of Rain

Wind

8 mph

ESE

UV Index

3

Moderate

Humidity

70%

Dew 75°F

Sun

6:55 AM · 7:43 PM

Rise · Set

Source: CHARLESTON/EXEC (KJZI). Slider scrubs the next 12 hours.

5-Day Outlook

Through Saturday

Local Radar →

Tonight

77°

Mostly Cloudy

Detailed forecast

Tonight

Partly cloudy, with a low around 76. East wind 0 to 8 mph.

Wednesday

91° 77°

Mostly Cloudy

Overnight: Mostly Cloudy

Detailed forecast

Wednesday

Areas of fog before 10am. Partly sunny, with a high near 90. Heat index values as high as 103. East wind 1 to 8 mph.

Night

Mostly cloudy, with a low around 77. Southeast wind 1 to 7 mph.

Thursday

91° 77°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Thursday

Mostly sunny, with a high near 90. Southeast wind 0 to 8 mph.

Night

Mostly clear, with a low around 77.

Friday

91° 77°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Friday

Sunny, with a high near 91.

Night

Mostly clear, with a low around 77.

Saturday

95° 77°

Isolated T-storm

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Saturday

Sunny, with a high near 94.

Night

A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 40%.

Johns Island, SC Weather Analysis Tools