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Johnsonville, SC Weather Forecast

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Johnsonville, SC Weather Forecast

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Johnsonville SC weather - Clear - 68°F
Clear
68°F
Updated 12:44 am
Feels Like 78°F
Humidity 100%
Wind N 0 mph
Barometer  30.03 in
Dew Point 68°F
Johnsonville SC weather - Clear - 20°C
Clear
20°C
Updated 12:44 am
Feels Like 26°C
Humidity 100%
Wind N 0 km/h
Barometer  101.6 kPa
Dew Point 20°C
WX Settings

Johnsonville Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Johnsonville, SC Weather - Tonight Chance Of T-Storm Johnsonville, SC Weather - Sunday Mostly Sunny Johnsonville, SC Weather - Sunday Night Partly Cloudy Johnsonville, SC Weather - Monday Chance Of T-Storm Johnsonville, SC Weather - Monday Night Chance Of T-Storm Johnsonville, SC Weather - Tuesday Chance Of T-Storm Johnsonville, SC Weather - Tuesday Night Chance Of T-Storm Johnsonville, SC Weather - Wednesday Chance Of Showers Johnsonville, SC Weather - Wednesday Night Chance Of Showers Johnsonville, SC Weather - Thursday Partly Sunny Johnsonville, SC Weather - Thursday Night Clearing Johnsonville, SC Weather - Friday Mostly Clear
Chance of T-Storm Mostly Sunny Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Partly Sunny Clearing Mostly Clear
Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 70°FLo: 21°C Hi: 91°FHi: 33°C
 Lo: 70°FLo: 21°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C		 Hi: 81°FHi: 27°C
Lo: 65°FLo: 18°C		 Hi: 80°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
Lo: 59°FLo: 15°C
POP: 20% POP: 20% POP: 40% POP: 70% POP: 70% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 534 PM EDT Sat Sep 19 2026 Johnsonville, SC Weather - WeatherWorld.com

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Johnsonville Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 716 PM EDT Sat Sep 19 2026

Key Messages

1) A period of unsettled weather will exist, especially Tuesday through Thursday with much cooler weather beginning Thursday.


Discussion

... KEY MESSAGE 1...A period of unsettled weather will exist, especially Tuesday through Thursday with much cooler weather beginning Thursday.

The mid/upper low invof FL is expected to open and lift toward the northeast Monday through Wednesday directed by a developing upper trough across the upper Midwest region. This trough will advance toward the OH...