Upper Ruth Lake Weather Forecast

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    Chance Rain

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    Rain Likely

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    Rain Likely

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    Chance Rain

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    Rain

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    Rain

Today 19 Dec Los Banos - Dos Palos

Areas of dense fog in the morning. Partly sunny until late Afternoon, then a 50 percent chance of rain late in the afternoon. Highs in the mid 50s. East Winds up to 5 Mph.

Tonight 19 Dec Los Banos - Dos Palos

Mostly cloudy with a 50 percent chance of rain. Patchy fog through the night. Near steady temperature in the mid 50s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Ruth Lake Temperature Statistics

December Temperature

Merced Regional Airport (20.5 miles)

  • Lowest 5 December, 2025

    35.1 °F

  • Average December

    42.9 °F

  • Highest 17 December, 2025

    59 °F

Climate (2020–Present)

Merced Regional Airport (20.5 miles)

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  • Average Low 2020–2025

    50.6 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    77.8 °F
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