Lewis Bay Weather Forecast

    • 68
    • 73

    Chance Rain Showers

    • 71
    • 78

    Chance Rain Showers

    • 73
    • 81

    Mostly Sunny

    • 74
    • 85

    Mostly Sunny

    • 72
    • 83

    Chance Rain Showers

    • 70
    • 79

    Slight Chance Rain Showers

Today 30 Jun Barnstable

Mostly sunny. Patchy dense fog this morning with visibility one quarter mile or less at Times. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph this afternoon.

Tonight 30 Jun Barnstable

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Bay Temperature Statistics

June Temperature

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

  • Lowest 2 June, 2026

    37 °F

  • Average June

    67.5 °F

  • Highest 12 June, 2026

    84 °F

Climate (2021–2026)

Hyannis, Barnstable Municipal-Boardman Airport (2.5 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.3 °F
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