Weather WorldBrea Reservoir, CA 7-Day Night Weather Forecast
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Brea Reservoir, CA Weather Forecast
Brea Reservoir, CA Weather Forecast Date: 1229 AM PDT Tue Aug 18 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... Mostly cloudy this morning...Becoming partly cloudy. Patchy fog this morning. Highs 83 to 86 towards the coast to 89 to 92 farther inland. Light winds becoming southwest 10 mph this afternoon.
Tonight... Partly cloudy. Patchy fog overnight. Lows 64 to 69. Areas of winds southwest to 10 mph in the evening becoming light.
Wednesday... Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 84 to 88 towards the coast to 91 to 94 farther inland. Light winds becoming southwest 10 mph in the afternoon.
Wednesday Night... Mostly clear. Lows 65 to 70. Areas of winds south to 10 mph in the evening becoming light.
Thursday... Partly cloudy in the morning...Becoming mostly sunny. Highs 85 to 88 towards the coast to 91 to 94 farther inland. Light winds becoming southwest 10 mph in the afternoon.
Thursday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 65 to 70.
Friday... Partly cloudy in the morning...Becoming mostly sunny. Highs 84 to 87 towards the coast to 91 farther inland.
Friday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 65 to 70.
Saturday... Partly cloudy in the morning...Becoming mostly sunny. Highs 85 to 88 towards the coast to 90 to 93 farther inland.
Saturday Night... Mostly clear. Lows 64 to 70.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. Highs 84 to 87 towards the coast to 89 to 92 farther inland.
Sunday Night... Mostly clear. Lows 63 to 69.
POP = Probability of Precipitation
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