Mahwah Weather Forecast
- 49
- 73
Mostly Sunny
- 50
- 74
Mostly Sunny
- 51
- 72
Partly Sunny
- 55
- 80
Mostly Sunny
- 51
- 75
Mostly Sunny
- 53
- 76
Mostly Sunny
Today 8 Sep Western Bergen
Sunny. Highs in the lower 70s. North Winds around 5 Mph.
Tonight 8 Sep Western Bergen
Mostly clear. Lows around 50. Northeast Winds around 5 Mph.
Mahwah Temperature Statistics
September Temperature
Caldwell, Essex County Airport (16.2 miles)
Lowest 2 September, 2025
55 °FAverage September
69.5 °FHighest 5 September, 2025
84.9 °F
Climate (2020–Present)
Caldwell, Essex County Airport (16.2 miles)
Average Low 2020–2025
47.1 °FAverage 2020–2025
56.3 °FAverage High 2020–2025
65.6 °F