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Portal Forebay, CA Weather Forecast
Portal Forebay, CA Weather Forecast Date: 310 AM PDT Fri Aug 14 2026
The area/counties/county of: Upper San Joaquin River, including the cities of: Devils Postpile, Florence Lake, and Lake Thomas Edison.or toggle through each period.
Today... Sunny. Highs 55 to 69. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph.
Tonight... Mostly clear. Lows 38 to 50. South winds up to 10 mph. Gusts up to 25 mph in the evening.
Saturday... Sunny. Highs 57 to 71. South winds up to 15 mph with gusts to around 30 mph.
Saturday Night... Mostly clear. Lows 41 to 51. Southwest winds up to 10 mph with gusts to around 30 mph shifting to the southeast after midnight.
Sunday... Sunny. Highs 59 to 73. Southeast winds up to 10 mph shifting to the southwest in the afternoon.
Sunday Night... Partly cloudy. Lows 42 to 54.
Monday... Sunny. Highs 59 to 73.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows 43 to 53.
Tuesday... Partly cloudy. Highs 60 to 74. Lows 44 to 54.
Wednesday... Partly cloudy. Highs 60 to 74. Lows 44 to 54.
Wednesday Night... Mostly clear. Lows 44 to 54. Highs 61 to 75.
POP = Probability of Precipitation
Portal Forebay Radar Loop
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