Peterborough Weather Forecast

    • 42
    • 65

    Increasing Clouds

    • 42
    • 56

    Rain

    • 41
    • 63

    Mostly Cloudy

    • 40
    • 60

    Mostly Cloudy

    • 39
    • 60

    Slight Chance Rain Showers

    • 41
    • 58

    Chance Rain Showers

Today 19 Sep Western And Central Hillsborough

Mostly sunny. Highs in the mid 60s. Light and variable Winds.

Tonight 19 Sep Western And Central Hillsborough

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Peterborough Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (5 miles)

  • Lowest 15 September, 2026

    41 °F

  • Average September

    62.9 °F

  • Highest 10 September, 2026

    81 °F

Climate (2021–2026)

Jaffrey Airport-Silver Ranch (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.1 °F
Get WillyWeather+ to remove ads