Monticello Reservoir Weather Forecast

    • 73
    • 90

    Thunderstorms Likely

    • 73
    • 88

    Slight Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 77
    • 93

    Slight Chance Thunderstorms

    • 76
    • 96

    Chance Thunderstorms

Today 22 Jul Fairfield

Sunny this Morning, then partly sunny with Showers and Thunderstorms likely this afternoon. Highs in the lower 90s. Northeast Winds around 5 Mph. Chance of rain 70 percent.

Tonight 22 Jul Fairfield

Mostly cloudy with Showers and Thunderstorms likely in the Evening, then partly cloudy after midnight. Lows in the lower 70s. East Winds around 5 Mph. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Monticello Reservoir Temperature Statistics

July Temperature

Winnsboro/Fairfield County Airport (11.8 miles)

  • Lowest 12 July, 2025

    68 °F

  • Average July

    79.9 °F

  • Highest 7 July, 2025

    96.8 °F

Climate (2020–Present)

Winnsboro/Fairfield County Airport (11.8 miles)

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

  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    62.6 °F

  • Average High 2020–2025

    73.4 °F
Get WillyWeather+ to remove ads