Mount Martha Weather Forecast

    • 40
    • 51

    Slight Chance Rain Showers

    • 48
    • 62

    Chance Rain Showers

    • 40
    • 61

    Breezy

    • 53
    • 67

    Partly Sunny

    • 56
    • 73

    Chance Thunderstorms

    • 43
    • 68

    Rain Showers Likely

Today 15 May Southern Coos

Cloudy with rain likely this Morning, then partly sunny with a chance of rain this afternoon. Highs in the lower 60s. Light and variable Winds. Chance of rain 70 percent.

Tonight 15 May Southern Coos

Partly cloudy. A slight chance of Showers this evening. Patchy fog after midnight. Lows in the lower 40s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Martha Temperature Statistics

May Temperature

Mount Washington (10.6 miles)

  • Lowest 3 May, 2026

    17.6 °F
  • Average May

    27.1 °F
  • Highest 5 May, 2026

    51.8 °F

Climate (2021–Present)

Mount Washington (10.6 miles)

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  • Average Low 2021–2026

    24.5 °F
  • Average 2021–2026

    29.9 °F
  • Average High 2021–2026

    35 °F
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