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Today Hourly 7 days 30 days September
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September 2026 Weather | Lake Forest, California

Today 9/18
Night
Day 79°
Night 59°
0
Sat 9/19
Cloudy Weather
Day 82°
Night 63°
0
Sun 9/20
Cloudy Weather
Day 79°
Night 64°
0
Mon 9/21
Cloudy Weather
Day 81°
Night 63°
4
Tue 9/22
Cloudy Weather
Day 81°
Night 59°
1
Wed 9/23
Cloudy Weather
Day 90°
Night 64°
1
Thu 9/24
Cloudy Weather
Day 91°
Night 66°
3
Fri 9/25
Cloudy Weather
Day 91°
Night 64°
1
Sat 9/26
Sunny Weather
Day 91°
Night 64°
1
Sun 9/27
Cloudy Weather
Day 91°
Night 64°
1
Mon 9/28
Sunny Weather
Day 90°
Night 63°
0
Tue 9/29
Sunny Weather
Day 88°
Night 64°
0
Wed 9/30
Sunny Weather
Day 86°
Night 64°
0

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