Yarmouth Weather Forecast
- 55
- 77
Mostly Sunny
- 57
- 75
Chance Rain Showers
- 57
- 70
Rain Showers
- 60
- 73
Rain Showers Likely
- 61
- 80
Chance Rain Showers
- 62
- 83
Partly Sunny
Today 27 Jul Coastal Cumberland
Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming southeast around 10 Mph in the afternoon.
Tonight 27 Jul Coastal Cumberland
Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. South Winds around 10 Mph in the Evening, becoming light and variable.
Yarmouth Temperature Statistics
July Temperature
Portland, Portland International Jetport (12.4 miles)
Lowest 24 July, 2026
54 °FAverage July
72.9 °FHighest 2 July, 2026
96.7 °F
Climate (2021–2026)
Portland, Portland International Jetport (12.4 miles)
Average Low 2021–2026
40.1 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
57.3 °F