Sandwich Weather Forecast

    • 56
    • 69

    Rain Showers Likely

    • 57
    • 71

    Mostly Cloudy

    • 59
    • 71

    Slight Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

    • 58
    • 74

    Partly Sunny

    • 54
    • 68

    Mostly Sunny

Today 7 Sep Barnstable

Cloudy. A chance of Showers, then Showers likely with isolated Thunderstorms. Patchy fog. Near steady temperature in the upper 60s. North Winds 5 to 10 Mph. Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 7 Sep Barnstable

Mostly cloudy with a 20 percent chance of Showers. Patchy fog in the evening. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandwich Temperature Statistics

September Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 3 September, 2025

    48.2 °F

  • Average September

    65 °F

  • Highest 5 September, 2025

    78.8 °F

Climate (2020–Present)

Otis Air National Guard Base (7.5 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.4 °F
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