Myrtle Weather Forecast
- 61
- 82
Partly Sunny
- 58
- 84
Partly Sunny
- 60
- 84
Partly Sunny
- 59
- 85
Partly Sunny
- 61
- 87
Mostly Sunny
- 67
- 90
Partly Sunny
- 65
- 89
Chance Rain Showers
Today 24 Sep Union
Partly sunny with a 30 percent chance of Showers. Highs in the mid 80s.
Tonight 24 Sep Union
Partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.
Myrtle Temperature Statistics
September Temperature
Oxford, University-Oxford Airport (26.1 miles)
Lowest 18 September, 2026
68 °FAverage September
82.9 °FHighest 4 September, 2026
100.4 °F
Climate (2021–2026)
Oxford, University-Oxford Airport (26.1 miles)
Average Low 2021–2026
52.7 °FAverage 2021–2026
62.7 °FAverage High 2021–2026
74.1 °F