Klamath River Mouth Weather Forecast

    • 51
    • 57

    Chance Rain

    • 50
    • 55

    Rain Likely

    • 48
    • 55

    Mostly Cloudy

    • 47
    • 55

    Mostly Sunny

    • 50
    • 57

    Mostly Sunny

    • 51
    • 59

    Partly Sunny

    • 51
    • 58

    Mostly Cloudy

Today 27 May Coastal Del Norte

Mostly cloudy then becoming partly cloudy early in the afternoon then becoming sunny. Breezy. Highs 58 to 68. Northwest wind 5 to 15 Mph increasing to 15 to 25 Mph in the afternoon.

Tonight 27 May Coastal Del Norte

Partly cloudy early in the evening then becoming mostly cloudy. Slight chance of rain in the evening. Patchy fog overnight. Lows 46 to 56. Northwest wind around 15 Mph becoming northeast around 5 Mph overnight. Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Klamath River Mouth Temperature Statistics

May Temperature

Crescent City, Jack McNamara Field Airport (17.4 miles)

  • Lowest 19 May, 2026

    42.7 °F

  • Average May

    54.4 °F

  • Highest 13 May, 2026

    62.7 °F

Climate (2021–Present)

Crescent City, Jack McNamara Field Airport (17.4 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    58.6 °F
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