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City of Lake Forest, CaliforniaLake Forest, CA 7-Day Night Weather Forecast
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Lake Forest, CA Weather Forecast
Lake Forest, CA Weather Forecast Date: 1206 AM PDT Fri Oct 30 2026
The area/counties/county of: Orange County Inland Areas, including the cities of: Santa Ana, Anaheim, Garden Grove, Irvine, Orange, Fullerton, and Mission Viejo.or toggle through each period.
Today... Cloudy with a slight chance of rain this morning, then partly cloudy with a chance of rain this afternoon. Highs 69 to 73. Light winds becoming southwest 10 mph this afternoon. Chance of measurable precipitation 50%.
Tonight... Partly cloudy with a chance of rain. Lows 56 to 61. Light winds. Chance of measurable precipitation 40%.
Saturday... Mostly cloudy in the morning, then cloudy with a slight chance of showers in the afternoon. Highs 70 to 74. Light winds. Chance of measurable precipitation 20%.
Saturday Night... Showers likely in the evening, then showers overnight. Locally heavy rainfall possible overnight. Lows 57 to 62. Light winds.
Sunday... Mostly cloudy with showers likely in the morning, then partly cloudy with a chance of showers in the afternoon. Highs 69 to 73. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 70%.
Sunday Night... Partly cloudy with a slight chance of showers in the evening, then mostly clear overnight. Lows 52 to 57.
Monday... Mostly sunny. Highs 74 to 77.
Monday Night... Mostly clear. Lows 54 to 58.
Tuesday... Mostly sunny. Highs 74 to 77.
Tuesday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 52 to 56.
Wednesday... Partly cloudy. A slight chance of showers in the morning. Highs 71 to 74.
Wednesday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 51 to 56.
POP = Probability of Precipitation
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