Osterville Weather Forecast

    • 65
    • 81

    Severe Tstms

    • 58
    • 78

    Mostly Sunny

    • 68
    • 78

    Partly Sunny

    • 69
    • 80

    Partly Sunny

    • 70
    • 81

    Slight Chance Rain Showers

    • 69
    • 79

    Chance Rain Showers

    • 67
    • 78

    Slight Chance Rain Showers

Today 3 Jul Barnstable

Sunny with a 20 percent chance of Thunderstorms. Some Thunderstorms may be severe with damaging Winds, small Hail, frequent Lightning, and heavy rainfall. Near steady temperature around 80. Southwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 3 Jul Barnstable

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Some Thunderstorms may produce damaging Winds, small Hail, frequent Lightning, and heavy rainfall this evening. Lows in the mid 60s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this evening. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Osterville Temperature Statistics

July Temperature

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

  • Lowest 1 July, 2025

    66.9 °F

  • Average July

    72.8 °F

  • Highest 1 July, 2025

    80.1 °F

Climate (2020–Present)

Hyannis, Barnstable Municipal-Boardman Airport (6.2 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    59.9 °F
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