Weather forecast for 10 days
Costa Mesa, CA

Weather forecast for the weekend

Saturday, Mar 29.

Mostly Cloudy
6:41 am

7:11 pm
PDT
Mostly Cloudy
66°F / 55°F
  • Wind: 11mph S
  • Humidity: 60%
  • Precip. probability: 12%
  • Precipitation: 0"
  • UV index: 8
On Saturday, March 29, clouds will dominate overhead, keeping the atmosphere dull.
Temperature fluctuations between a breezy 66.2°F (19°C) and a moderate 55.4°F (13°C) are predicted.
The maximum temperature will align with March's usual high of 64.8°F (18.2°C).
Sunrise will be at 6:41 am and sunset at 7:11 pm; the daylight will last for 12h and 31min.

Sunday, Mar 30.

Cloudy
6:39 am

7:12 pm
PDT
Cloudy
63°F / 55°F
  • Wind: 9mph SSW
  • Humidity: 59%
  • Precip. probability: 13%
  • Precipitation: 0"
  • UV index: 5
On Sunday, in Costa Mesa, expect mostly gray skies with limited brightness.
Slight temperature shifts from a high of an enjoyable 62.6°F (17°C) to a low of a refreshing 55.4°F (13°C) are expected.
On Sunday, the expected maximum temperature should be consistent with March's typical high of 64.8°F (18.2°C).
Sunrise will be at 6:39 am and sunset at 7:12 pm; the daylight will last for 12h and 32min.

Frequently asked questions

What is the weather forecast for Costa Mesa for Saturday?
On Saturday, the sky is expected to stay overcast for much of the day.
What will be the maximum temperature on Saturday?
On Saturday, the maximum temperature will be 66.2°F (19°C), while the minimum temperature will be 55.4°F (13°C).
What is the weather forecast for Costa Mesa for Sunday?
On Sunday, cloudy weather is anticipated.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature will be 62.6°F (17°C), while the lowest temperature will be 55.4°F (13°C).
What is the weather forecast for Costa Mesa for the next ten days?
In Costa Mesa, predominantly dull and occasionally rain-soaked weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Wednesday and next Thursday in Costa Mesa. Next Thursday, with minimal precipitation of 0.08" (2mm), will be the day with the most rainfall.
How warm will it be in the next ten days?
The maximum temperature will vary between 62.6°F (17°C) and 66.2°F (19°C), while the minimum temperature will be between 48.2°F (9°C) and 57.2°F (14°C).
What will be the warmest and the coldest days?
With a maximum temperature of 66.2°F (19°C), Saturday and next Saturday will be the warmest days. The coldest days will be Sunday, Wednesday through next Friday, with a maximum of 62.6°F (17°C).

Long-term weather forecast

ThuMar 27.
  • min.
  • 57°F
Cloudy
Cloudy
  • Wind: 7mph SSW
  • Humidity: 77%
  • UV index: 0
  • Precip. probability: 6%
  • Precipitation: 0"
  • 6:43 am 7:09 pm PDT
FriMar 28.
  • 64°F
  • 55°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 12mph SSW
  • Humidity: 64%
  • UV index: 7
  • Precip. probability: 19%
  • Precipitation: 0"
  • 6:42 am 7:10 pm PDT
SatMar 29.
  • 66°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph S
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 12%
  • Precipitation: 0"
  • 6:41 am 7:11 pm PDT
SunMar 30.
  • 63°F
  • 55°F
Cloudy
Cloudy
  • Wind: 9mph SSW
  • Humidity: 59%
  • UV index: 5
  • Precip. probability: 13%
  • Precipitation: 0"
  • 6:39 am 7:12 pm PDT
MonMar 31.
  • 64°F
  • 55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 10mph S
  • Humidity: 71%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0"
  • 6:38 am 7:12 pm PDT
TueApr 1.
  • 64°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph W
  • Humidity: 54%
  • UV index: 6
  • Precip. probability: 5%
  • Precipitation: 0"
  • 6:37 am 7:13 pm PDT
WedApr 2.
  • 63°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 11mph SW
  • Humidity: 53%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 6:35 am 7:14 pm PDT
ThuApr 3.
  • 63°F
  • 54°F
Few Showers
Few Showers
  • Wind: 11mph S
  • Humidity: 64%
  • UV index: 6
  • Precip. probability: 34%
  • Precipitation: 0.08"
  • 6:34 am 7:15 pm PDT
FriApr 4.
  • 63°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 6:33 am 7:15 pm PDT
SatApr 5.
  • 66°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph SSW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 6:31 am 7:16 pm PDT
During the upcoming ten-day period, primarily cloud-filled and occasionally rain-soaked weather is predicted.
Rainfall is expected on Wednesday and next Thursday.
The variation in maximum temperature will be negligible across the forecast window. Expected highs will hover between 62.6°F (17°C) and 66.2°F (19°C), while nighttime temperatures are expected to vary from 48.2°F (9°C) to 57.2°F (14°C).
Saturday and next Saturday, with the highest temperature of 66.2°F (19°C), will be the warmest days; with a maximum temperature of 62.6°F (17°C), Sunday, Wednesday through next Friday will be the coldest days.
Updated: Mar 28, 2025 @ 05:21:21 UTC
Published by: Weather U.S. | About Us
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