Harlansburg Weather Forecast

    • 58
    • 80

    Mostly Cloudy

    • 59
    • 79

    Partly Sunny

    • 65
    • 81

    Rain Showers Likely

    • 59
    • 82

    Slight Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 62
    • 86

    Rain Showers Likely

Today 10 Sep Lawrence

Partly sunny. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph.

Tonight 10 Sep Lawrence

Mostly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. A slight chance of Showers after midnight. Humid with Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Harlansburg Temperature Statistics

September Temperature

New Castle, New Castle Municipal Airport (11.2 miles)

  • Lowest 6 September, 2026

    54 °F

  • Average September

    71.6 °F

  • Highest 2 September, 2026

    91.9 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.1 °F
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