Onway Lake Weather Forecast

    • 52
    • 58

    Rain

    • 53
    • 68

    Mostly Cloudy

    • 53
    • 72

    Mostly Cloudy

    • 63
    • 78

    Partly Sunny

    • 52
    • 77

    Slight Chance Rain Showers

    • 46
    • 68

    Mostly Cloudy

    • 46
    • 64

    Chance Rain Showers

Today 28 Sep Interior Rockingham

Partly sunny. A chance of Showers in the morning. Highs in the mid 60s. Chance of rain 30 percent.

Tonight 28 Sep Interior Rockingham

Rain. Areas of fog. Lows in the lower 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onway Lake Temperature Statistics

September Temperature

Manchester Airport (13 miles)

  • Lowest 25 September, 2026

    40.6 °F

  • Average September

    63.4 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Manchester Airport (13 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.9 °F
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