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Arnold, CA Weather Forecast
Arnold, CA Weather Forecast Date: 1132 PM PDT Wed Aug 05 2026
The area/counties/county of: Sierra (Cal, including the city of Twain Harte, Arnold.or toggle through each period.
Tonight... Clear. Areas of smoke early in the evening, then smoke late in the evening. Areas of smoke after midnight, then patchy smoke late in the night. Lows 64 to 74. Light winds.
Thursday... Sunny. Patchy smoke. Highs 90 to 100. Light winds becoming southwest up to 10 mph in the afternoon.
Thursday Night... Clear. Patchy smoke. Lows 67 to 77. Northwest winds up to 10 mph in the evening becoming light.
Friday... Patchy smoke in the morning. Mostly sunny. Highs 90 to 100. Light winds becoming west around 10 mph with gusts to around 20 mph in the afternoon.
Friday Night... Clear. Lows 68 to 78. Northwest winds up to 10 mph in the evening becoming light.
Saturday... Sunny. Highs 90 to 100.
Saturday Night... Clear. Lows 68 to 78.
Sunday... Clear. Highs 89 to 99. Lows 67 to 77.
Monday... Clear. Highs 89 to 99. Lows 67 to 77.
Monday Night... Mostly clear. Lows 63 to 73. Highs 86 to 96.
Tuesday... Mostly clear. Lows 63 to 73. Highs 86 to 96.
POP = Probability of Precipitation
Arnold Radar Loop
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