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Bertha's flood threat shifts toward Texas after Louisiana landfall. Click for the latest. Chevron right

Johnston, SC

85°F
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Johnston, SC Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center
Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, July 23

Day

7/23
93°Hi
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
Rather cloudy with a heavy thunderstorm this afternoon; watch for flooding

Max UV Index9.0 (Very High)

AccuLumen Brightness Index™5 (Medium)

WindWSW 7 mph

Wind Gusts15 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.15 in

Rain0.15 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover72%

Morning

Afternoon

Night

7/23
72°Lo
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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Cloudy with a thunderstorm in the area; any thunderstorm can cause flash flooding and damaging winds

WindE 5 mph

Wind Gusts7 mph

Probability of Precipitation55%

Probability of Thunderstorms33%

Precipitation0.10 in

Rain0.10 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover95%

Evening

Overnight

Sun & Moon

14 hrs 02 mins
Rise 6:33 AM
Set 8:35 PM
Waxing Gibbous
Rise 4:09 PM
Set 2:00 AM

Temperature History

7/23
High
Low
Forecast
93°
72°
Average
94°
71°
Last Year
91°
75°

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Live Blog

Live: Bertha flood threat moves toward Texas after Louisiana landfall

LATEST ENTRY

Galveston officials warn residents to secure outdoor items ahead of strong winds

1 hour ago

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World North America United States South Carolina Johnston

Weather Near Johnston:

  • Augusta, GA
  • Evans, GA
  • Martinez, GA
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