Our Detailed 20 Day Weather Forecast Myrtle Beach Helps You Decide The Perfect Time For Outdoor Seaside Activities

Know what's coming with AccuWeather's extended daily forecasts for MyrtleBeach, SC. Up to 90 days of daily highs, lows, and precipitation chances.

You can find accurate MyrtleBeachweatherforecasts on the 15-day, 20-day and 90-day pages. You can also access today's weather and tomorrow's weatherforecast.

1 day ago · 30-dayweather outlook for MyrtleBeach, South Carolina. See periods over the next 30 days with elevated rain risk to help plan around wetter days.

30-Dayweatherforecast in MyrtleBeach for December, January 2025-2026 is based on analysis of available statistical data and long-term forecast methods. Wind direction chart for MyrtleBeach (daytime) for the next 30 days. Average daytime values for the next 30 days.

· See the long range weatherforecast for MyrtleBeach, Check the 30 daysforecast view, select a month and get the average expected weather for MyrtleBeach.

· You'll find detailed 48-hour and 7-day extended forecasts, ski reports, marine forecasts and surf alerts, airport delay forecasts, fire danger outlooks, Doppler and satellite images, and thousands of maps.

· 2 Week Extended Forecast in MyrtleBeach, South Carolina, USA ... Hour-by-hour weather for MyrtleBeach next 7 days

Our Detailed 20 Day Weather Forecast Myrtle Beach Helps You Decide The Perfect Time For Outdoor Seaside Activities 1