South Mountain Reservation Weather Forecast
- 63
- 84
Mostly Sunny
- 64
- 81
Mostly Sunny
- 68
- 88
Partly Sunny
- 73
- 91
Mostly Sunny
- 75
- 95
Chance Rain Showers
- 73
- 91
Chance Thunderstorms
- 71
- 85
Chance Thunderstorms
Today 21 Jul Western Essex
Mostly sunny. Near steady temperature in the mid 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.
Tonight 21 Jul Western Essex
Mostly clear. Lows in the lower 60s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.
South Mountain Reservation Temperature Statistics
July Temperature
Morristown Municipal (7.5 miles)
Lowest 5 July, 2025
53.6 °FAverage July
74 °FHighest 8 July, 2025
93.2 °F
Climate (2020–Present)
Morristown Municipal (7.5 miles)
Average Low 2020–2025
43.5 °FAverage 2020–2025
52 °FAverage High 2020–2025
64.3 °F