Prosser Airport Weather Forecast

    • 26
    • 38

    Areas Freezing Fog

    • 24
    • 39

    Patchy Freezing Fog

    • 24
    • 39

    Patchy Freezing Fog

    • 24
    • 38

    Patchy Freezing Fog

    • 25
    • 39

    Mostly Cloudy

    • 27
    • 41

    Slight Chance Rain/Snow

    • 25
    • 40

    Slight Chance Rain/Snow

Today 18 Jan Lower Columbia Basin of Washington

Mostly cloudy. Patchy freezing fog in the morning. Highs in the mid to upper 30s. Light wind.

Tonight 18 Jan Lower Columbia Basin of Washington

Mostly cloudy. Patchy freezing fog overnight. Lows in the mid to upper 20s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Prosser Airport Temperature Statistics

January Temperature

Sunnyside Municipal Airport (11.2 miles)

  • Lowest 1 January, 2026

    23.7 °F

  • Average January

    35.9 °F

  • Highest 12 January, 2026

    59.9 °F

Climate (2021–Present)

Sunnyside Municipal Airport (11.2 miles)

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

  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads