10-Day Weather Forecast - Costa Mesa, CA
- 71|57°FPartly CloudyHourly details
Today
71°FPartly cloudy this morning. . . Becoming mostly sunny. Highs 68 to 73. Areas of winds southwest to 10 mph becoming west with gusts to 25 mph this afternoon.
Tonight
57°FPartly cloudy. Lows 51 to 54. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
- 69|58°FPartly CloudyHourly details
Day
69°FPatchy fog in the morning. Partly cloudy. Highs around 68 at the beaches to 69 to 72 farther inland and near higher coastal terrain. Areas of winds north to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Night
58°FPartly cloudy with a slight chance of showers in the evening then mostly clear overnight. Lows 51 to 54. Areas of winds northwest 10 to 15 mph. Gusts to 25 mph in the evening. Chance of measurable precipitation 20 percent.
- 67|57°FPartly CloudyHourly details
Day
67°FPartly cloudy. Highs 66 to 71. Areas of winds northwest 10 to 20 mph. Gusts to 25 mph. . . Becoming 30 mph in the afternoon.
Night
57°FPartly cloudy in the evening. . . Becoming mostly clear. Lows 51 to 54.
- 71|59°FPartly CloudyHourly details
Day
71°FPartly cloudy. Highs around 69 at the beaches to 70 to 74 farther inland and near higher coastal terrain.
Night
59°FPartly cloudy. Lows around 54.
- 70|60°FPartly CloudyHourly details
Day
70°FPartly cloudy. Highs 67 to 72.
Night
60°FPartly cloudy. Lows 53 to 56.
Weekend Weather
- 65|58°FPartly CloudyHourly details
Day
65°FMostly cloudy in the morning. . . Becoming partly cloudy. Highs around 66 at the beaches to 70 farther inland and near higher coastal terrain.
Night
58°FPartly cloudy. Lows 52 to 55.
- 65|57°FPartly Cloudy
Day
65°FPartly cloudy. Highs 66 to 71.
Night
57°FPartly cloudy. Low temperature around 57F. Dew point will be around 54F with an average humidity of 84%. Winds will be 4 mph from the W.
- 67|58°FCloudy
Day
67°FCloudy. High temperature around 67F. Dew point will be around 54F with an average humidity of 70%. Winds will be 5 mph from the SW.
Night
58°FMostly cloudy. Low temperature around 58F. Dew point will be around 55F with an average humidity of 83%. Winds will be 3 mph from the SW.
- 68|59°FMostly Cloudy
Day
68°FMostly cloudy. High temperature around 68F. Dew point will be around 54F with an average humidity of 66%. Winds will be 6 mph from the SW.
Night
59°FClear. Low temperature around 59F. Dew point will be around 55F with an average humidity of 79%. Winds will be 4 mph from the W.
- 69|60°FSunny
Day
69°FSunny. High temperature around 69F. Dew point will be around 53F with an average humidity of 61%. Winds will be 5 mph from the SW.
Night
60°FClear. Low temperature around 60F. Dew point will be around 55F with an average humidity of 76%. Winds will be 3 mph from the SW.













