Dater Mountain Nature Park Weather Forecast
- 73
- 88
Chance Thunderstorms
- 71
- 87
Rain Showers Likely
- 70
- 87
Chance Thunderstorms
- 65
- 86
Mostly Sunny
- 68
- 88
Slight Chance Thunderstorms
- 66
- 86
Chance Rain Showers
- 63
- 83
Chance Rain Showers
Today 6 Aug Rockland
Partly sunny. A slight chance of Showers and Thunderstorms Early, then a chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 100.
Tonight 6 Aug Rockland
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Evening, then partly cloudy with a slight chance of Showers after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall this evening. Lows in the mid 70s. Southwest Winds around 5 Mph, becoming northwest after midnight. Chance of rain 40 percent.
Dater Mountain Nature Park Temperature Statistics
August Temperature
Caldwell, Essex County Airport (21.1 miles)
Lowest 4 August, 2026
60.1 °FAverage August
76.5 °FHighest 1 August, 2026
88 °F
Climate (2021–2026)
Caldwell, Essex County Airport (21.1 miles)
Average Low 2021–2026
46.7 °FAverage 2021–2026
56 °FAverage High 2021–2026
65.2 °F