Demster Weather Forecast

    • 39
    • 55

    Mostly Sunny

    • 37
    • 51

    Partly Sunny

    • 43
    • 53

    Rain Showers

    • 45
    • 60

    Rain Showers

    • 44
    • 58

    Chance Rain Showers

    • 45
    • 62

    Mostly Cloudy

Today 10 May Oswego

Sunny, cool with Highs Ranging from around 50 on the tug hill to the mid 50s across the lower Elevations. West Winds 5 to 10 Mph, increasing to 10 to 15 Mph.

Tonight 10 May Oswego

Mainly clear with Areas of frost developing. Lows Ranging from the mid 30s across the tug hill to around 40 along the lake Ontario shore. West Winds 5 to 10 Mph, becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Demster Temperature Statistics

May Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 1 May, 2026

    33.1 °F

  • Average May

    48 °F

  • Highest 4 May, 2026

    73.9 °F

Climate (2021–Present)

Fulton, Oswego County Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.1 °F
Get WillyWeather+ to remove ads