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As of 20:14 EDT

Weather in Johnston, SC

85°Current weather

Johnston, Saturday, 8 August, 20:14

Clear. Feels like 94°. High 89°, low 72°.

Pressure30.06 inHg
Wind10.1 mph SE
Humidity72%
Visibility6.2 mi
Dew point74°

10-day forecast for Johnston, SC: 68° to 101°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

101°
Best day: Wednesday, August 12
92° · 0.11 in
Worst day: Friday, August 14

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 0989° / 70°0Light rain
MorningClear73°feels 74°
AfternoonClear88°feels 88°
EveningPartly cloudy80°feels 80°
OvernightClear72°feels 73°
89 °Light rain

Johnston, Sunday, 9 August

Light rain. High 89°, low 70°.

Pressure30.12 inHg
Wind3.5 mph SW
Humidity50%
Visibility6.2 mi
Dew point70°
Mon, 1099° / 73°0Overcast
MorningOvercast75°feels 76°
AfternoonOvercast97°feels 100°
EveningOvercast87°feels 91°
OvernightOvercast74°feels 75°
99 °Overcast

Johnston, Monday, 10 August

Overcast. High 99°, low 73°.

Pressure30.12 inHg
Wind6.5 mph W
Humidity48%
Visibility6.2 mi
Dew point70°
Tue, 1198° / 75°0.03Light rain
MorningMostly clear78°feels 79°
AfternoonMostly clear98°feels 101°
EveningPartly cloudy88°feels 91°
OvernightPartly cloudy77°feels 78°
98 °Light rain

Johnston, Tuesday, 11 August

Light rain. High 98°, low 75°.

Pressure30.06 inHg
Wind10.2 mph W
Humidity41%
Visibility6.2 mi
Dew point67°
Wed, 12101° / 74°0.01Light rain
MorningOvercast77°feels 78°
AfternoonMostly clear99°feels 102°
EveningMostly clear89°feels 91°
OvernightOvercast76°feels 77°
101 °Light rain

Johnston, Wednesday, 12 August

Light rain. High 101°, low 74°.

Pressure29.94 inHg
Wind13.8 mph W
Humidity41%
Visibility6.2 mi
Dew point67°
Thu, 1398° / 73°0.04Light rain
MorningLight rain82°feels 84°
AfternoonLight rain96°feels 100°
EveningLight rain88°feels 91°
OvernightLight rain82°feels 85°
98 °Light rain

Johnston, Thursday, 13 August

Light rain. High 98°, low 73°.

Pressure29.91 inHg
Wind14.4 mph W
Humidity35%
Visibility—
Dew point63°
Fri, 1492° / 73°0.11Light rain
MorningLight rain80°feels 83°
AfternoonLight rain90°feels 95°
EveningLight rain79°feels 79°
OvernightLight rain76°feels 76°
92 °Light rain

Johnston, Friday, 14 August

Light rain. High 92°, low 73°.

Pressure29.97 inHg
Wind16.4 mph W
Humidity48%
Visibility—
Dew point67°
Sat, 1586° / 71°0Overcast
MorningOvercast76°feels 76°
AfternoonOvercast85°feels 86°
EveningOvercast80°feels 82°
OvernightOvercast77°feels 78°
86 °Overcast

Johnston, Saturday, 15 August

Overcast. High 86°, low 71°.

Pressure30.15 inHg
Wind9.1 mph NE
Humidity47%
Visibility—
Dew point62°
Sun, 1690° / 71°0Overcast
MorningOvercast76°feels 76°
AfternoonOvercast86°feels 85°
EveningOvercast82°feels 82°
OvernightOvercast76°feels 76°
90 °Overcast

Johnston, Sunday, 16 August

Overcast. High 90°, low 71°.

Pressure30.21 inHg
Wind13.1 mph SE
Humidity39%
Visibility—
Dew point57°
Mon, 1790° / 68°0Mostly clear
MorningMostly clear77°feels 77°
AfternoonMostly clear89°feels 89°
EveningMostly clear80°feels 81°
OvernightMostly clear75°feels 75°
90 °Mostly clear

Johnston, Monday, 17 August

Mostly clear. High 90°, low 68°.

Pressure30.15 inHg
Wind10.6 mph S
Humidity36%
Visibility—
Dew point57°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Johnston, SC around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.