Riverside (Merrimack River) Weather Forecast

    • 18
    • 32

    Becoming Sunny

    • 20
    • 32

    Mostly Sunny

    • 22
    • 35

    Mostly Cloudy

    • 15
    • 32

    Slight Chance Snow

    • 16
    • 26

    Partly Sunny

    • 17
    • 32

    Partly Sunny

Today 11 Dec Western Essex

Mostly sunny. Cooler with Highs in the lower 30s. Temperature falling into the mid 20s this afternoon. West Winds 15 to 20 Mph with Gusts up to 45 Mph.

Tonight 11 Dec Western Essex

Mostly clear in the Evening, then becoming partly cloudy. Cooler with Lows around 18. West Winds 15 to 20 Mph. Gusts up to 45 Mph, decreasing to 35 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside (Merrimack River) Temperature Statistics

December Temperature

Lawrence Municipal Airport (5.6 miles)

  • Lowest 5 December, 2025

    8.1 °F

  • Average December

    26.6 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Lawrence Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    61.1 °F
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