Isle Au Haut - Old Cove Weather Forecast
- 60
- 71
Areas Fog
- 60
- 73
Rain Showers
- 58
- 72
Mostly Sunny
- 59
- 67
Rain Showers Likely
- 60
- 70
Chance Rain Showers
- 59
- 72
Partly Sunny
Today 19 Aug Knox
Partly sunny. Patchy fog. Highs around 80. South Winds around 10 Mph.
Tonight 19 Aug Knox
Partly cloudy. Areas of fog. Visibility one quarter mile or less at Times after midnight. Humid with Lows in the lower 60s. Light and variable Winds.
Isle Au Haut - Old Cove Temperature Statistics
August Temperature
Rockland, Knox County Regional Airport (24.2 miles)
Lowest 16 August, 2026
54 °FAverage August
69.1 °FHighest 6 August, 2026
86 °F
Climate (2021–2026)
Rockland, Knox County Regional Airport (24.2 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
54.9 °F