 |
 Current Costa Mesa Weather Conditions |
Updated July 12th at 4:53 pm |
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| Mostly Cloudy |
| Temperature: | 77°F |
Dew Point: | 64°F |
| Barometer: | 29.89 inHg |
Wind: | N 13 Mph |
| Humidity: | 65.1% |
Visibility: | 0M |
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| Costa Mesa Weather Forecast Summary |
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Today
Jul 12th
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Monday
Jul 13th
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Tuesday
Jul 14th
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Wednesday
Jul 15th
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Thursday
Jul 16th
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 |
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 |
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Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Sunny |
Sunny |
83°F
|
87°F
65°F |
86°F
68°F |
96°F
70°F |
90°F
72°F |
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| Costa Mesa Detailed Weather Forecast |
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| Sunday, July 12th, 2026 |
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Evening |
Temperature: 66°F |
| Clear with cloudy periods. |
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| Monday, July 13th, 2026 |
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Overnight |
Temperature: 66°F |
| Clear with cloudy periods with a slight chance of showers. |
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Morning |
Temperature: 76°F |
| Mostly sunny. |
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Afternoon |
Temperature: 84°F |
| A mix of cloud and sun. Windy at times. |
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Evening |
Temperature: 71°F |
| A mix of clear and cloudy skies. |
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| Tuesday, July 14th, 2026 |
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Overnight |
Temperature: 68°F |
| Mostly clear. |
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Morning |
Temperature: 81°F |
| Sunny. |
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Afternoon |
Temperature: 86°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 73°F |
| Mostly clear. |
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| Wednesday, July 15th, 2026 |
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Overnight |
Temperature: 70°F |
| Clear. |
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Morning |
Temperature: 88°F |
| Sunny. |
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Afternoon |
Temperature: 94°F |
| Sunny. |
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Evening |
Temperature: 77°F |
| Clear. |
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| Thursday, July 16th, 2026 |
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Overnight |
Temperature: 73°F |
| Clear. |
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Morning |
Temperature: 87°F |
| Sunny. |
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Afternoon |
Temperature: 86°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 74°F |
| Clear with cloudy periods with a slight chance of showers. |
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| Friday, July 17th, 2026 |
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Overnight |
Temperature: 72°F |
| Mostly clear with a slight chance of showers. |
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Morning |
Temperature: 80°F |
| Sunny with cloudy periods with a chance of showers. |
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Afternoon |
Temperature: 80°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 74°F |
| A mix of clear and cloudy skies. |
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| Saturday, July 18th, 2026 |
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Overnight |
Temperature: 69°F |
| A mix of clear and cloudy skies. |
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Morning |
Temperature: 80°F |
| A mix of cloud and sun. |
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Afternoon |
Temperature: 84°F |
| Mostly sunny. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. |
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| Sunday, July 19th, 2026 |
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Overnight |
Temperature: 72°F |
| Clear. |
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Morning |
Temperature: 83°F |
| Mostly sunny. |
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Afternoon |
Temperature: 86°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 75°F |
| Clear. |
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| Monday, July 20th, 2026 |
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Overnight |
Temperature: 70°F |
| Clear. |
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Morning |
Temperature: 80°F |
| Sunny. |
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Afternoon |
Temperature: 84°F |
| Sunny. Windy at times. |
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Evening |
Temperature: 73°F |
| Clear. |
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