Demster Weather Forecast

    • 55
    • 68

    Rain Showers

    • 56
    • 70

    Rain Showers Likely

    • 62
    • 76

    Partly Sunny

    • 63
    • 81

    Rain Showers

    • 57
    • 75

    Slight Chance Thunderstorms

    • 55
    • 72

    Partly Sunny

Today 24 Aug Oswego

Partly sunny with a chance of Showers in the Morning, then mostly cloudy with Showers with a chance of Thunderstorms in the afternoon. Highs Ranging from the lower 60s on the tug hill to the upper 60s across the lower Elevations. Light Winds, becoming southwest 5 to 10 Mph. Chance of rain 90 percent.

Tonight 24 Aug Oswego

Showers with a chance of Thunderstorms in the Evening, then Showers overnight. Lows Ranging from the upper 40s on the tug hill to the mid 50s across the lower Elevations. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

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Demster Temperature Statistics

August Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 21 August, 2026

    48.9 °F

  • Average August

    69.7 °F

  • Highest 5 August, 2026

    86 °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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