Peterborough Weather Forecast

    • 50
    • 72

    Rain Showers Likely

    • 48
    • 68

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 73

    Mostly Cloudy

    • 60
    • 72

    Chance Rain Showers

    • 51
    • 74

    Slight Chance Thunderstorms

Today 5 Sep Western And Central Hillsborough

Partly sunny. Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the lower 70s. Light and variable Winds. Chance of rain 60 percent.

Tonight 5 Sep Western And Central Hillsborough

Mostly cloudy with Showers likely in the Evening, then partly cloudy after midnight. Lows in the lower 50s. Light and variable Winds. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Peterborough Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (5 miles)

  • Lowest 1 September, 2026

    60.1 °F

  • Average September

    63.7 °F

  • Highest 2 September, 2026

    70 °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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