Delevan Weather Forecast

    • 55
    • 75

    Becoming Sunny

    • 59
    • 87

    Sunny

    • 59
    • 90

    Mostly Sunny

    • 59
    • 86

    Partly Sunny

    • 59
    • 90

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

Today 17 Sep Central Colusa County Including Interstate 5

Mostly cloudy in the morning then clearing. Patchy fog early in the morning. Highs around 75. North Winds up to 10 Mph.

Tonight 17 Sep Central Colusa County Including Interstate 5

Clear. Lows around 56. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Delevan Temperature Statistics

September Temperature

Oroville Municipal Airport (31.7 miles)

  • Lowest 14 September, 2026

    51.1 °F

  • Average September

    73.5 °F

  • Highest 10 September, 2026

    105.7 °F

Climate (2021–2026)

Oroville Municipal Airport (31.7 miles)

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

  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.8 °F
Get WillyWeather+ to remove ads