Flat Island Weather Forecast
- 0
- 10
Cold
- 11
- 14
Snow
- 13
- 18
Cloudy
- 8
- 18
Partly Sunny
- 6
- 19
Partly Sunny
- 11
- 19
Mostly Cloudy
- 16
- 23
Mostly Cloudy
Today 24 Jan Coastal Waldo
Sunny. Highs around 7 above. Northwest Winds around 10 Mph with Gusts up to 25 Mph. Wind chill Values as low as 13 below.
Tonight 24 Jan Coastal Waldo
Mostly clear. Cold with Lows around 7 below. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Wind chill Values as low as 18 below.
Flat Island Temperature Statistics
January Temperature
Rockland, Knox County Regional Airport (18.6 miles)
Lowest 5 January, 2026
6.1 °FAverage January
27.2 °FHighest 14 January, 2026
46.9 °F
Climate (2021–Present)
Rockland, Knox County Regional Airport (18.6 miles)
Average Low 2021–2026
39.7 °FAverage 2021–2026
47.8 °FAverage High 2021–2026
55 °F