Grasmere Lake Weather Forecast

    • 60
    • 70

    Rain Likely

    • 57
    • 70

    Rain Likely

    • 55
    • 64

    Rain Likely

    • 53
    • 64

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

    • 54
    • 65

    Chance Rain Showers

    • 56
    • 67

    Slight Chance Rain Showers

Today 20 Sep Richmond (Staten Is.)

Partly sunny with a 30 percent chance of Showers. Highs in the lower 70s.

Tonight 20 Sep Richmond (Staten Is.)

Mostly cloudy. Rain Likely, mainly in the evening. Lows around 60. Southwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grasmere Lake Temperature Statistics

September Temperature

Newark, Newark International Airport (6.8 miles)

  • Lowest 15 September, 2026

    55.7 °F

  • Average September

    74.5 °F

  • Highest 3 September, 2026

    89.7 °F

Climate (2021–2026)

Newark, Newark International Airport (6.8 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    66.4 °F
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