Raymond J. Callahan State Park Weather Forecast

    • 74
    • 100

    Thunderstorms

    • 63
    • 95

    Thunderstorms

    • 60
    • 85

    Slight Chance Rain Showers

    • 62
    • 80

    Chance Thunderstorms

    • 61
    • 76

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Rain Showers

Today 3 Jul Central Middlesex County

Sunny, hot with Highs around 100. West Winds around 10 Mph with Gusts up to 25 Mph. Heat index Values up to 107.

Tonight 3 Jul Central Middlesex County

Partly cloudy with scattered Showers and Thunderstorms. Humid with Lows in the mid 70s. West Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain 40 percent. Heat index Values up to 103 early in the evening.

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Raymond J. Callahan State Park Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (13 miles)

  • Lowest 1 July, 2026

    71.1 °F

  • Average July

    82.3 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (13 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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