Demster Weather Forecast

    • 64
    • 81

    Mostly Cloudy

    • 61
    • 78

    Chance Rain Showers

    • 60
    • 79

    Slight Chance Rain Showers

    • 67
    • 83

    Partly Sunny

    • 67
    • 87

    Rain Showers Likely

    • 64
    • 81

    Slight Chance Thunderstorms

    • 63
    • 81

    Partly Sunny

Today 5 Jul Oswego

Partly sunny Early, then becoming mostly cloudy. Highs in the lower 80s. Light north Winds.

Tonight 5 Jul Oswego

Mostly cloudy. Lows Ranging from the lower 60s across the tug hill to the mid 60s along the lake Ontario shore. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Demster Temperature Statistics

July Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 2 July, 2026

    69.1 °F

  • Average July

    79.5 °F

  • Highest 1 July, 2026

    93 °F

Climate (2021–2026)

Fulton, Oswego County Airport (10.6 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58 °F
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