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Union Park, CA Weather Forecast
Union Park, CA Weather Forecast Date: 201 PM PDT Thu Sep 17 2026
The area/counties/county of: C. San Joaquin County Including Stockton, including the city of Stockton, Lodi.or toggle through each period.
Tonight... Clear. Lows around 55. Northwest winds up to 10 mph.
Friday... Partly cloudy in the morning then clearing. Highs around 86. Northwest winds up to 10 mph with gusts to around 20 mph.
Friday Night... Clear. Lows 55 to 61. Northwest winds up to 10 mph with gusts to around 20 mph.
Saturday... Sunny. Highs around 90. Northwest winds up to 10 mph.
Saturday Night... Mostly clear. Lows around 59. Northwest winds up to 10 mph.
Sunday... Partly cloudy. Highs around 85.
Sunday Night... Partly cloudy. Lows around 57.
Monday... Mostly sunny. Highs around 86.
Monday Night... Clear. Lows around 59. Highs 86 to 91.
Tuesday... Clear. Lows around 59. Highs 86 to 91.
Wednesday... Clear. Lows around 59. Highs 86 to 91.
POP = Probability of Precipitation
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