Three Islands Weather Forecast
- 29
- 35
Decreasing Clouds
- 33
- 41
Rain/Snow
- 31
- 44
Chance Rain
- 30
- 40
Chance Rain/Snow
- 23
- 38
Chance Snow
- 25
- 37
Partly Sunny
- 24
- 41
Slight Chance Snow
Today 19 Mar Coastal Cumberland
Partly sunny with a chance of rain and snow. Near steady temperature in the upper 30s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of precipitation 30 percent.
Tonight 19 Mar Coastal Cumberland
Partly cloudy. A slight chance of snow this evening. Lows in the mid 20s. South Winds around 10 Mph this Evening, becoming light and variable. Chance of snow 20 percent.
Three Islands Temperature Statistics
March Temperature
Wiscasset Airport (11.2 miles)
Lowest 2 March, 2026
1.9 °FAverage March
35.8 °FHighest 10 March, 2026
69.1 °F
Climate (2021–Present)
Wiscasset Airport (11.2 miles)
Average Low 2021–2026
38.7 °FAverage 2021–2026
48.4 °FAverage High 2021–2026
58 °F