St Helena Island Nature Preserve Weather Forecast
- 30
- 41
Mostly Cloudy
- 42
- 47
Rain Showers Likely
- 33
- 57
Chance Rain/Snow
- 25
- 38
Chance Snow
- 28
- 37
Mostly Cloudy
- 34
- 44
Chance Rain/Snow
- 25
- 42
Chance Rain/Snow
Today 13 Mar Eastern Mackinac
Partly sunny. Highs in the upper 40s. Southwest Winds 5 to 15 Mph.
Tonight 13 Mar Eastern Mackinac
Partly cloudy. Lows around 30. Southeast Winds up to 10 Mph.
St Helena Island Nature Preserve Temperature Statistics
March Temperature
Mackinac Island Airport (11.2 miles)
Lowest 1 March, 2025
3.2 °FAverage March
27.7 °FHighest 10 March, 2025
53.6 °F
Climate (2020–Present)
Mackinac Island Airport (11.2 miles)
Average Low 2020–2025
38.3 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
51.1 °F