South Dennis Weather Forecast

    • 34
    • 41

    Rain

    • 20
    • 37

    Slight Chance Rain/Snow

    • 28
    • 37

    Chance Rain

    • 30
    • 43

    Mostly Cloudy

    • 25
    • 37

    Partly Sunny

    • 29
    • 37

    Rain Likely

Today 31 Jan Barnstable

Rain. Near steady temperature around 40. South Winds 15 to 20 Mph. Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 31 Jan Barnstable

Rain. Not as cool. Near steady temperature in the upper 30s. East Winds around 5 Mph, increasing to north 10 to 15 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Dennis Temperature Statistics

January Temperature

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

  • Lowest 22 January, 2025

    8.9 °F

  • Average January

    28.3 °F

  • Highest 1 January, 2025

    49.6 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    60 °F
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