Decatur Weather Forecast

    • 71
    • 89

    Chance Thunderstorms

    • 70
    • 87

    Thunderstorms Likely

    • 71
    • 88

    Chance Thunderstorms

    • 72
    • 92

    Mostly Sunny

    • 72
    • 92

    Mostly Sunny

    • 72
    • 90

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

Today 30 Jun DeKalb

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Light west Winds. Chance of rain 50 percent.

Tonight 30 Jun DeKalb

Mostly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the lower 70s. Light southwest Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

June Temperature

Atlanta, De Kalb-Peachtree Airport (6.8 miles)

  • Lowest 1 June, 2025

    58.6 °F

  • Average June

    78.2 °F

  • Highest 24 June, 2025

    97.6 °F

Climate (2020–Present)

Atlanta, De Kalb-Peachtree Airport (6.8 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.1 °F
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