Sandwich Weather Forecast

    • 33
    • 43

    Rain Showers Likely

    • 29
    • 47

    Mostly Sunny

    • 35
    • 43

    Rain Likely

    • 41
    • 56

    Rain

    • 24
    • 49

    Slight Chance Rain

    • 27
    • 36

    Partly Sunny

Today 13 Mar Barnstable

Partly sunny. Near steady temperature in the upper 30s. Southwest Winds 10 to 15 Mph.

Tonight 13 Mar Barnstable

Mostly cloudy. Rain Showers likely after midnight. Lows in the lower 30s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sandwich Temperature Statistics

March Temperature

Otis Air National Guard Base (7.5 miles)

  • Lowest 3 March, 2026

    6.8 °F

  • Average March

    37.3 °F

  • Highest 9 March, 2026

    62.6 °F

Climate (2021–Present)

Otis Air National Guard Base (7.5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.2 °F
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