Myrtle Weather Forecast
- 70
- 95
Chance Thunderstorms
- 68
- 90
Partly Sunny
- 69
- 92
Mostly Sunny
- 69
- 94
Mostly Sunny
- 64
- 94
Mostly Sunny
- 63
- 87
Partly Sunny
- 60
- 81
Partly Sunny
Today 20 Aug Union
Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid 90s. North Winds 5 to 10 Mph. Chance of rain 50 percent.
Tonight 20 Aug Union
Partly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows around 70. North Winds around 5 Mph. Gusts up to 20 Mph this evening. Chance of rain 20 percent.
Myrtle Temperature Statistics
August Temperature
Oxford, University-Oxford Airport (26.1 miles)
Lowest 3 August, 2025
62.6 °FAverage August
79.1 °FHighest 17 August, 2025
96.8 °F
Climate (2020–Present)
Oxford, University-Oxford Airport (26.1 miles)
Average Low 2020–2025
51.8 °FAverage 2020–2025
61.8 °FAverage High 2020–2025
72.9 °F