Osterville Weather Forecast

    • 52
    • 58

    Breezy

    • 50
    • 55

    Chance Rain Showers

    • 43
    • 57

    Partly Sunny

    • 42
    • 51

    Mostly Sunny

    • 46
    • 53

    Sunny

    • 51
    • 57

    Mostly Sunny

Today 20 Oct Barnstable

Partly sunny. Near steady temperature in the mid 50s. Northeast Winds 15 to 20 Mph with Gusts up to 40 Mph.

Tonight 20 Oct Barnstable

Partly cloudy and breezy. Near steady temperature in the lower 50s. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterville Temperature Statistics

October Temperature

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

  • Lowest 18 October, 2026

    35.1 °F

  • Average October

    58.1 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    59.2 °F
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