Myrtle Weather Forecast
- 63
- 82
Slight Chance Thunderstorms
- 64
- 84
Chance Thunderstorms
- 64
- 84
Chance Thunderstorms
- 63
- 84
Chance Thunderstorms
- 50
- 83
Rain Showers Likely
- 41
- 65
Chance Rain Showers
Today 31 Mar Union
Mostly cloudy this Morning, then mostly sunny with a slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 20 percent.
Tonight 31 Mar Union
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.
Myrtle Temperature Statistics
March Temperature
Oxford, University-Oxford Airport (26.1 miles)
Lowest 16 March, 2026
32 °FAverage March
62.3 °FHighest 22 March, 2026
86 °F
Climate (2021–Present)
Oxford, University-Oxford Airport (26.1 miles)
Average Low 2021–2026
52.2 °FAverage 2021–2026
62.2 °FAverage High 2021–2026
73.5 °F