Costa Mesa 30-day weather forecast

Beyond about 10 days any forecast drifts towards the usual weather for the time of year, so read the outlook as what is typical for the date, not as a prediction for that day.

Costa Mesa day-by-day calendar

  • Days 1–16: daily forecast model
  • Days 17–30: outlook (30-day statistical model), with the usual high / low for the date
Costa Mesa day-by-day calendar
SunMonTueWedThuFriSat
5Forecast
Sunny
76°
/ 54°
Rain 0%
6Forecast
Sunny
83°
/ 53°
Rain 0%
7Forecast
Sunny
86°
/ 62°
Rain 0%
8Forecast
Sunny
86°
/ 71°
Rain 0%
9Forecast
Overcast
84°
/ 73°
Rain 0%
10Forecast
Sunny
82°
/ 73°
Rain 0%
11Forecast
Sunny
80°
/ 70°
Rain 8%
12Forecast
Thunderstorms
74°
/ 61°
Rain 22%
13Forecast
Light drizzle
68°
/ 60°
Rain 23%
14Forecast
Sunny
72°
/ 62°
Rain 35%
15Forecast
Overcast
74°
/ 64°
Rain 35%
16Forecast
Light showers
72°
/ 66°
Rain 33%
17Forecast
Light drizzle
66°
/ 61°
Rain 39%
18Forecast
Overcast
69°
/ 61°
Rain 23%
19Forecast
Light drizzle
70°
/ 63°
Rain 0.1 in
20Forecast
Sunny
74°
/ 61°
—
21Outlook
Light rain
62°
/ 57°
Rain 0.2 in
22Outlook
Light rain
62°
/ 58°
Rain 0 in
23Outlook
Rain
58°
/ 54°
Rain 0.5 in
24Outlook
Light rain
56°
/ 54°
Rain 0.1 in
25Outlook
Mostly sunny
59°
/ 55°
—
26Outlook
Sunny
61°
/ 56°
—
27Outlook
Sunny
62°
/ 57°
—
28Outlook
Sunny
64°
/ 58°
—
29Outlook
Sunny
67°
/ 59°
—
30Outlook
Mostly sunny
65°
/ 58°
—
1 DecOutlook
Sunny
62°
/ 54°
—
2Outlook
Partly cloudy
56°
/ 52°
—
3Outlook
Partly cloudy
58°
/ 52°
—
4Outlook
Partly cloudy
61°
/ 54°
—

Costa Mesa 30-day forecast: your questions

What is the 30 day weather forecast for Costa Mesa?

The 30-day view for Costa Mesa starts with 15 days of forecast: highs from 53°F (12°C) up to 86°F (30°C) on Saturday, and rain likely on 6 of them (2 in (51.8 mm) in all). Day by day: Costa Mesa 10-day forecast.

Nearest cities: 30-day forecast