Greenwich Weather Forecast

    • 62
    • 86

    Slight Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

    • 64
    • 80

    Rain Showers Likely

    • 63
    • 81

    Chance Rain Showers

    • 61
    • 80

    Partly Sunny

    • 65
    • 83

    Slight Chance Rain Showers

Today 10 Sep Warren

Mostly sunny. Hot with Highs in the mid 80s. West Winds 5 to 10 Mph.

Tonight 10 Sep Warren

Mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 60s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenwich Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (17.4 miles)

  • Lowest 8 September, 2026

    53.1 °F

  • Average September

    72.4 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Allentown, Lehigh Valley International Airport (17.4 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.6 °F
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