Monomoscoy Island Weather Forecast

    • 40
    • 55

    Sunny

    • 51
    • 58

    Slight Chance Rain Showers

    • 48
    • 59

    Mostly Cloudy

    • 49
    • 57

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 48
    • 56

    Partly Sunny

Today 18 Oct Barnstable

Sunny. Patchy frost this morning. Highs in the mid 50s. Northeast Winds 10 to 15 Mph.

Tonight 18 Oct Barnstable

Mostly clear. Lows in the lower 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monomoscoy Island Temperature Statistics

October Temperature

Otis Air National Guard Base (5.6 miles)

  • Lowest 7 October, 2026

    35.6 °F

  • Average October

    58.2 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Otis Air National Guard Base (5.6 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    59 °F
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