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Hourly Forecast
Daylight Hours
07:04
Sunrise
19:14
Sunset
Moon
Waxing Crescent
12:33
Moonrise
21:41
Moonset
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Weather in Myrtle Beach tomorrow, September 17, 2026
Expect a mostly clear day in Myrtle Beach on September 17, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. Morning skies stay relatively clear, holding cloud close to 6% near 00:00. The early part of the day favours being outside.
Expect highs of 28°C and cooler readings close to 19°C. The air stays humid, with relative humidity between 48% and 90% and the peak around 07:00. Airflow remains manageable, reaching about 4.1 km/h around 00:00.
Through the afternoon skies look more workable, with cloud near 12% around 18:00. Later outdoor plans have a clearer window than the morning may have suggested. Expect visibility near 16.1 km, with poorer spells close to 15.9 km. Daylight runs from 07:05 to 19:13, lasting 12 hours 7 minutes of sunlight today.
Overall, Myrtle Beach on September 17, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 28°C.
Frequently asked questions about weather in Myrtle Beach
How warm does it get in Myrtle Beach?
The warmest month in Myrtle Beach is July, with average high temperatures of 31°C. The average temperature during this period is around 27°C.
How cold does it get in Myrtle Beach?
The coldest month in Myrtle Beach is January, with average low temperatures of 5°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Myrtle Beach?
The wettest month in Myrtle Beach is August, with an average of 195mm of precipitation.
What is the driest time of year in Myrtle Beach?
The driest month in Myrtle Beach is November, with an average of 64mm of precipitation.
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