Anna Weather Forecast

    • 75
    • 92

    Chance Thunderstorms

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 88

    Thunderstorms Likely

    • 75
    • 90

    Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 77
    • 92

    Chance Thunderstorms

    • 77
    • 94

    Mostly Sunny

Today 16 Jul Union

Sunny with a chance of Showers and Thunderstorms. Near steady temperature around 90. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 16 Jul Union

Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Anna Temperature Statistics

July Temperature

Southern Illinois Airport (21.7 miles)

  • Lowest 2 July, 2025

    66 °F

  • Average July

    79.4 °F

  • Highest 11 July, 2025

    92.6 °F

Climate (2020–Present)

Southern Illinois Airport (21.7 miles)

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

  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    68.6 °F
Get WillyWeather+ to remove ads