Portal Forebay, CA 7-Day Night Weather Forecast
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Portal Forebay, CA Weather Forecast


Portal Forebay, CA Weather Forecast Date: 310 AM PDT Thu Aug 13 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... Slight chance of dry thunderstorms through the day. Rain showers likely in the late morning and early afternoon. Highs 53 to 69. Southwest winds up to 15 mph with gusts to around 30 mph. Chance of precipitation 70%.
Tonight... Mostly clear. Slight chance of dry thunderstorms in the evening. Lows 38 to 50. South winds up to 10 mph. Gusts up to 25 mph in the evening.
Friday... Sunny. Highs 55 to 69. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph.
Friday Night... Mostly clear. Lows 39 to 49. Southwest winds up to 10 mph with gusts to around 30 mph shifting to the south after midnight.
Saturday... Sunny. Highs 56 to 70. South winds up to 15 mph. Gusts up to 30 mph in the afternoon.
Saturday Night... Mostly clear. Lows 41 to 51. Highs 58 to 72.
Sunday... Mostly clear. Lows 41 to 51. Highs 58 to 72.
Sunday Night... Partly cloudy. Lows 43 to 53. Highs 59 to 73.
Monday... Partly cloudy. Lows 43 to 53. Highs 59 to 73.
Monday Night... Partly cloudy in the evening then becoming mostly cloudy. Lows 43 to 53.
Tuesday... Mostly sunny. Highs 59 to 73.
Tuesday Night... Mostly cloudy in the evening then becoming partly cloudy. Lows 43 to 53.
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