Grasmere Lake Weather Forecast
- 70
- 81
Chance Rain Showers
- 61
- 81
Partly Sunny
- 62
- 71
Rain Showers
- 60
- 72
Rain Showers
- 58
- 69
Mostly Cloudy
- 56
- 67
Partly Sunny
Today 17 Sep Richmond (Staten Is.)
Partly sunny with a 30 percent chance of Showers. Highs in the mid 60s.
Tonight 17 Sep Richmond (Staten Is.)
Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows around 70. South Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 50 percent.
Grasmere Lake Temperature Statistics
September Temperature
Newark, Newark International Airport (6.8 miles)
Lowest 15 September, 2026
55 °FAverage September
74.5 °FHighest 3 September, 2026
89.7 °F
Climate (2021–2026)
Newark, Newark International Airport (6.8 miles)
Average Low 2021–2026
49.8 °FAverage 2021–2026
58.1 °FAverage High 2021–2026
66.4 °F