Weather WorldCastac Lake, CA 7-Day Night Weather Forecast
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Castac Lake, CA Weather Forecast
Castac Lake, CA Weather Forecast Date: 311 AM PDT Wed Sep 02 2026
The area/counties/county of: Grapevine, including the cities of: Grapevine and Lebec.or toggle through each period.
Today... Sunny. Highs 66 to 76. North winds up to 10 mph.
Tonight... Clear. Lows 49 to 55. Northwest winds 5 to 10 mph.
Thursday... Sunny. Highs 68 to 78. Northwest winds 5 to 10 mph.
Thursday Night... Clear. Lows 51 to 57. Northwest winds up to 10 mph.
Friday... Sunny. Highs 69 to 79. Northwest winds up to 10 mph.
Friday Night... Clear. Lows 50 to 56.
Saturday... Sunny. Highs 72 to 82.
Saturday Night... Partly cloudy in the evening, then mostly cloudy with a 40% chance of rain after midnight. Lows 54 to 60.
Sunday... Partly sunny with a 50% chance of rain. Highs 69 to 79.
Sunday Night... Mostly cloudy. A 40% chance of rain. Lows 55 to 61. Highs 70 to 80.
Labor Day... Mostly cloudy. A 40% chance of rain. Lows 55 to 61. Highs 70 to 80.
Monday Night... Mostly cloudy with chance of rain in the evening, then partly cloudy after midnight. Lows 57 to 63. Chance of rain 30%.
POP = Probability of Precipitation
Castac Lake Radar Loop
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