Peterborough Weather Forecast

    • 57
    • 74

    Chance Rain Showers

    • 57
    • 71

    Chance Rain Showers

    • 45
    • 69

    Mostly Sunny

    • 50
    • 69

    Partly Sunny

    • 57
    • 76

    Slight Chance Rain Showers

    • 54
    • 74

    Chance Rain Showers

Today 12 Sep Western And Central Hillsborough

Sunny in the Morning, then becoming partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 12 Sep Western And Central Hillsborough

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Peterborough Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (5 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    63.4 °F

  • Highest 4 September, 2026

    79 °F

Climate (2021–2026)

Jaffrey Airport-Silver Ranch (5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.1 °F
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