Johnsonville, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Johnsonville, SC in one place.
Sunny, with a high near 88. Southwest wind around 2 mph.
Local Weather Overview
This forecast page for Johnsonville, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 13, 2026 9:26 PM EDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Johnsonville, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 9:26 PM EDT
- Forecast office
- ILM
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnsonville
Thursday looks like the warmest upcoming period in Johnsonville at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Saturday at about 13 mph N.
The forecast from Oct 15 through Oct 20 stays mostly dry.
Forecast Details
- Last updated
- Oct 13, 2026 9:26 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILM
- Radar station
- KLTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 61. South wind around 2 mph.
Sunny, with a high near 88.
Mostly clear, with a low around 53.
Sunny, with a high near 67.
Clear, with a low around 45.
Sunny, with a high near 68.
Mostly clear, with a low around 49.
Sunny, with a high near 75.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
88°F |
2 mph
SW
|
|
Thursday Night
Oct 15
|
Clear
|
61°F |
2 mph
S
|
|
Friday
Oct 16
|
Sunny
|
88°F |
2 to 9 mph
SW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
53°F |
6 to 12 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
67°F |
13 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
45°F |
5 to 9 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
9 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
49°F |
6 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
75°F |
6 to 9 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
53°F |
2 to 7 mph
NE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
76°F |
5 to 8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Johnsonville.