Hollis Weather Forecast
- 49
- 76
Mostly Sunny
- 48
- 78
Mostly Sunny
- 52
- 76
Partly Sunny
- 55
- 82
Mostly Sunny
- 41
- 77
Mostly Sunny
- 38
- 69
Mostly Sunny
Today 15 Sep Interior York
Mostly sunny. Highs in the mid 70s. Light and variable Winds.
Tonight 15 Sep Interior York
Mostly clear. Patchy fog after midnight. Lows around 50. Light and variable Winds.
Hollis Temperature Statistics
September Temperature
Portland, Portland International Jetport (15.5 miles)
Lowest 9 September, 2025
46 °FAverage September
62.5 °FHighest 11 September, 2025
80.1 °F
Climate (2020–Present)
Portland, Portland International Jetport (15.5 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
49 °FAverage High 2020–2025
57.4 °F