Myrtle Island, SC Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Myrtle Island, SC in one place.
Mostly sunny, with a high near 90. South wind 1 to 10 mph.
Local Weather Overview
This forecast page for Myrtle Island, 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: Jun 9, 2026 1:27 PM EDT.
The active forecast window currently covers Jun 10 to Jun 15, 2026 for Myrtle Island, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 15, 2026
- Latest sync
- Jun 9, 2026 1:27 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Myrtle Island
Friday looks like the warmest upcoming period in Myrtle Island at 97 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Thursday at about 5 to 12 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 9, 2026 1:27 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. South wind 6 to 10 mph.
Sunny, with a high near 94. South wind 5 to 12 mph.
Mostly clear, with a low around 77.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Mostly Sunny
|
90°F |
1 to 10 mph
S
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
76°F |
6 to 10 mph
S
|
|
Thursday
Jun 11
|
Sunny
|
94°F |
5 to 12 mph
S
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
77°F |
6 to 12 mph
S
|
|
Friday
Jun 12
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
5 to 10 mph
SW
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms
|
77°F |
6 to 10 mph
SW
|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
96°F |
5 to 8 mph
SW
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
76°F |
3 to 8 mph
SW
|
|
Sunday
Jun 14
|
Partly Sunny then Chance Showers And Thunderstorms
|
92°F |
3 to 10 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
76°F |
5 to 9 mph
SW
|
|
Monday
Jun 15
|
Partly Sunny then Chance Showers And Thunderstorms
|
93°F |
6 to 10 mph
SW
|
|
Monday Night
Jun 15
|
Chance Showers And Thunderstorms
|
76°F |
7 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Myrtle Island.