Low State Forest Weather Forecast

    • 54
    • 76

    Rain Showers

    • 38
    • 68

    Mostly Sunny

    • 37
    • 63

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 57
    • 77

    Partly Sunny

Today 18 Sep Merrimack

Partly sunny. Isolated Showers in the morning. Patchy fog in the morning. Highs around 80. Light and variable Winds. Chance of rain 20 percent.

Tonight 18 Sep Merrimack

Mostly cloudy with isolated Showers. Patchy fog. Lows in the upper 40s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Low State Forest Temperature Statistics

September Temperature

Jaffrey Airport-Silver Ranch (28 miles)

  • Lowest 9 September, 2025

    39.9 °F

  • Average September

    61 °F

  • Highest 6 September, 2025

    79 °F

Climate (2020–Present)

Jaffrey Airport-Silver Ranch (28 miles)

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  • Average Low 2020–2025

    38.8 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    58.3 °F
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