Petersham Weather Forecast

    • 61
    • 75

    Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 48
    • 64

    Chance Rain Showers

    • 48
    • 60

    Rain Showers Likely

    • 48
    • 63

    Chance Rain Showers

    • 47
    • 60

    Slight Chance Rain Showers

Today 17 Sep Northern Worcester

Partly sunny in the Morning, then cloudy with a chance of Showers in the afternoon. Patchy fog in the morning. Humid with Highs in the mid 70s. Northeast Winds around 5 Mph, becoming south around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 17 Sep Northern Worcester

Mostly cloudy with a 50 percent chance of Showers. Humid with Lows in the lower 60s. South Winds 5 to 10 Mph, becoming west after midnight.

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Petersham Temperature Statistics

September Temperature

Orange Municipal Airport (7.5 miles)

  • Lowest 12 September, 2026

    43 °F

  • Average September

    64.9 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Orange Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    49.6 °F

  • Average High 2021–2026

    60.2 °F
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