Sullivan Weather Forecast

    • -7
    • 8

    Cold

    • -2
    • 15

    Mostly Sunny

    • 5
    • 19

    Mostly Cloudy

    • 5
    • 26

    Mostly Sunny

    • 6
    • 28

    Partly Sunny

    • 6
    • 25

    Partly Sunny

Today 30 Jan Cheshire

Mostly sunny. Highs around 9 above. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Wind chill Values as low as 19 below.

Tonight 30 Jan Cheshire

Mostly clear. Cold with Lows around 7 below. Northwest Winds around 10 Mph. Gusts up to 25 Mph in the evening. Wind chill Values as low as 20 below.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Temperature Statistics

January Temperature

Keene, Dillant-Hopkins Airport (8.1 miles)

  • Lowest 28 January, 2026

    -11 °F

  • Average January

    22.5 °F

  • Highest 14 January, 2026

    46 °F

Climate (2021–Present)

Keene, Dillant-Hopkins Airport (8.1 miles)

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  • Average Low 2021–2026

    37.8 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.8 °F
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