Williamstown Weather Forecast

    • 56
    • 81

    Increasing Clouds

    • 52
    • 75

    Mostly Cloudy

    • 46
    • 68

    Partly Sunny

    • 45
    • 65

    Chance Rain Showers

    • 45
    • 65

    Slight Chance Rain Showers

    • 46
    • 68

    Partly Sunny

Today 26 May Oswego

Some patchy fog Early, otherwise sunny. Warm with Highs Ranging from the mid 70s on the tug hill to the lower 80s across the lower Elevations. Southwest Winds 10 Mph or less.

Tonight 26 May Oswego

Mostly cloudy. Lows in the upper 50s. Light southwest Winds.

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Williamstown Temperature Statistics

May Temperature

Syracuse, Syracuse Hancock International Airport (24.2 miles)

  • Lowest 12 May, 2026

    33.7 °F

  • Average May

    54.9 °F

  • Highest 18 May, 2026

    91.7 °F

Climate (2021–Present)

Syracuse, Syracuse Hancock International Airport (24.2 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    60.6 °F
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