Costa Mesa 7 Day Weather Forecast

Wednesday

Sunny

Sunny

High:
66°F
(19°C)
Overnight low:
48°F
(9°C)

Thursday

Sunny

Sunny

High:
67°F
(19°C)
Overnight low:
50°F
(10°C)

Friday

High:
66°F
(19°C)
Overnight low:
50°F
(10°C)

Saturday

Mostly sunny

Mostly sunny

High:
66°F
(19°C)
Overnight low:
50°F
(10°C)

Sunday

High:
66°F
(19°C)
Overnight low:
49°F
(9°C)

Monday

Mostly sunny

Mostly sunny

High:
65°F
(18°C)
Overnight low:
49°F
(9°C)

Christmas Day

Chance of rain

Chance of rain

High:
64°F
(18°C)