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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 55°
10
Mon 3/2
Cloudy Weather
Day 64°
Night 54°
25
Tue 3/3
Cloudy Weather
Day 61°
Night 48°
25
Wed 3/4
Sunny Weather
Day 59°
Night 46°
5
Thu 3/5
Cloudy Weather
Day 57°
Night 48°
25
Fri 3/6
Cloudy Weather
Day 59°
Night 48°
25
Sat 3/7
Cloudy Weather
Day 61°
Night 52°
0
Sun 3/8
Cloudy Weather
Day 64°
Night 54°
0
Mon 3/9
Cloudy Weather
Day 68°
Night 55°
0
Tue 3/10
Sunny Weather
Day 66°
Night 55°
89
Wed 3/11
Cloudy Weather
Day 68°
Night 55°
70
Thu 3/12
Cloudy Weather
Day 68°
Night 55°
100
Fri 3/13
Cloudy Weather
Day 63°
Night 54°
25
Sat 3/14
Cloudy Weather
Day 61°
Night 52°
2
Sun 3/15
Rainy Weather
Day 59°
Night 52°
0
Mon 3/16
Cloudy Weather
Day 59°
Night 50°
1
Tue 3/17
Sunny Weather
Day 61°
Night 48°
0
Wed 3/18
Cloudy Weather
Day 61°
Night 50°
0
Thu 3/19
Cloudy Weather
Day 63°
Night 52°
0
Fri 3/20
Cloudy Weather
Day 63°
Night 52°
0
Sat 3/21
Cloudy Weather
Day 63°
Night 52°
0
Sun 3/22
Cloudy Weather
Day 64°
Night 54°
1
Mon 3/23
Cloudy Weather
Day 63°
Night 54°
1
Tue 3/24
Cloudy Weather
Day 63°
Night 55°
0
Wed 3/25
Sunny with a Chance of Thunderstorms
Day 63°
Night 54°
1
Thu 3/26
Cloudy Weather
Day 63°
Night 52°
2
Fri 3/27
Cloudy Weather
Day 63°
Night 50°
25
Sat 3/28
Cloudy Weather
Day 63°
Night 52°
2
Sun 3/29
Cloudy Weather
Day 63°
Night 52°
4
Mon 3/30
Cloudy Weather
Day 63°
Night 57°
90
Tue 3/31
Cloudy Weather
Day 63°
Night 57°
2