Arlington Heights Weather Forecast

    • 45
    • 65

    Rain Showers

    • 42
    • 59

    Mostly Sunny

    • 38
    • 59

    Mostly Sunny

    • 35
    • 55

    Partly Sunny

    • 36
    • 53

    Partly Sunny

    • 38
    • 54

    Slight Chance Rain Showers

Today 22 Oct Southeast Middlesex

Widespread Showers this Morning, then partly sunny with isolated Showers this afternoon. Locally heavy rainfall possible this morning. Highs in the mid 60s. South Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph this afternoon. Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 22 Oct Southeast Middlesex

Partly cloudy in the Evening, then clearing. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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Arlington Heights Temperature Statistics

October Temperature

Laurence G Hanscom Field Airport (6.2 miles)

  • Lowest 10 October, 2025

    28 °F

  • Average October

    55.1 °F

  • Highest 5 October, 2025

    84 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (6.2 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62.1 °F
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