Demster Weather Forecast

    • 65
    • 75

    Rain Showers Likely

    • 66
    • 78

    Chance Rain Showers

    • 65
    • 81

    Rain Showers Likely

    • 61
    • 77

    Chance Rain Showers

    • 58
    • 76

    Partly Sunny

    • 55
    • 75

    Partly Sunny

Today 31 Aug Oswego

Some patchy fog in the Morning, otherwise mostly cloudy. Showers likely in the afternoon. Highs Ranging from the lower 70s on the tug hill to the upper 70s across the lower Elevations. Light southeast Winds. Chance of rain 70 percent.

Tonight 31 Aug Oswego

Showers likely with a chance of Thunderstorms. Warm and muggy with Lows Ranging from around 60 on the tug hill to the mid 60s across the lower Elevations. Light Winds. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Demster Temperature Statistics

August Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 21 August, 2026

    48.9 °F

  • Average August

    68.8 °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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