Knight Island State Park Weather Forecast
- 31
- 44
Decreasing Clouds
- 40
- 50
Breezy
- 49
- 58
Rain Likely
- 42
- 64
Rain
- 28
- 46
Partly Sunny
- 38
- 49
Partly Sunny
- 38
- 57
Mostly Cloudy
Today 13 Mar Grand Isle
Partly sunny. Highs in the mid 40s. South Winds 15 to 20 Mph.
Tonight 13 Mar Grand Isle
Partly cloudy until Midnight, then clearing. Lows in the lower 30s. South Winds 10 to 15 Mph.
Knight Island State Park Temperature Statistics
March Temperature
Franklin County State Airport (11.8 miles)
Lowest 3 March, 2025
-3.1 °FAverage March
29.5 °FHighest 11 March, 2025
61.9 °F
Climate (2020–Present)
Franklin County State Airport (11.8 miles)
Average Low 2020–2025
37.2 °FAverage 2020–2025
46.3 °FAverage High 2020–2025
55.2 °F