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Today Hourly 7 days 30 days March
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March 2026 Weather | Costa Mesa, California

Sun 3/1
Cloudy Weather
Day 66°
Night 59°
6
Mon 3/2
Cloudy Weather
Day 66°
Night 55°
24
Tue 3/3
Cloudy Weather
Day 68°
Night 55°
17
Wed 3/4
Cloudy Weather
Day 64°
Night 55°
1
Thu 3/5
Sunny Weather
Day 68°
Night 55°
2
Fri 3/6
Sunny Weather
Day 68°
Night 54°
1
Sat 3/7
Cloudy Weather
Day 70°
Night 55°
9
Sun 3/8
Cloudy Weather
Day 70°
Night 55°
49
Mon 3/9
Cloudy Weather
Day 70°
Night 55°
4
Tue 3/10
Cloudy Weather
Day 72°
Night 57°
0
Wed 3/11
Cloudy Weather
Day 64°
Night 54°
25
Thu 3/12
Sunny Weather
Day 59°
Night 48°
5
Fri 3/13
Cloudy Weather
Day 59°
Night 48°
10
Sat 3/14
Sunny Weather
Day 61°
Night 48°
5
Sun 3/15
Cloudy Weather
Day 61°
Night 48°
20
Mon 3/16
Sunny Weather
Day 63°
Night 50°
20
Tue 3/17
Sunny Weather
Day 64°
Night 50°
5
Wed 3/18
Sunny Weather
Day 64°
Night 52°
5
Thu 3/19
Sunny Weather
Day 64°
Night 48°
5
Fri 3/20
Sunny Weather
Day 61°
Night 50°
20
Sat 3/21
Sunny Weather
Day 61°
Night 48°
5
Sun 3/22
Cloudy Weather
Day 64°
Night 52°
25
Mon 3/23
Cloudy Weather
Day 64°
Night 50°
25
Tue 3/24
Cloudy Weather
Day 61°
Night 52°
20
Wed 3/25
Cloudy Weather
Day 61°
Night 48°
20
Thu 3/26
Cloudy Weather
Day 63°
Night 52°
25
Fri 3/27
Cloudy Weather
Day 63°
Night 52°
25
Sat 3/28
Cloudy Weather
Day 61°
Night 52°
2
Sun 3/29
Cloudy Weather
Day 61°
Night 50°
4
Mon 3/30
Sunny Weather
Day 61°
Night 50°
90
Tue 3/31
Sunny Weather
Day 61°
Night 48°
2