Weekly Weather Forecast for Costa Mesa, California, United States

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Overall WeatherTemperaturePressure
Clear Sky67.24°F/19.58°C1011 hPa
Wind SpeedWind DirectionClouds
0.89 MPH 176 Degrees 1%
Humidity PercentageSunrise TimeSunset Time
92
Current Local Time
Moonrise Time Moonset Time
11:11:11
   MST
Ultraviolet Index (UV Index)
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Weather forecast for 15-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
5 AMClear Sky67.24°F 19.58°C67.24°F 19.58°C70.68°F 21.49°C10119212.1163
8 AMClear Sky70.77°F 21.54°C70.77°F 21.54°C77.81°F 25.45°C10118712.32176
11 AMClear Sky82.42°F 28.01°C82.42°F 28.01°C90.01°F 32.23°C10117432.61181
2 PMClear Sky95.59°F 35.33°C95.59°F 35.33°C95.59°F 35.33°C10106463.36218
5 PMClear Sky92.68°F 33.71°C92.68°F 33.71°C92.68°F 33.71°C10086193.12236
8 PMFew Clouds80.11°F 26.73°C80.11°F 26.73°C80.11°F 26.73°C100871193.56168
11 PMFew Clouds75.09°F 23.94°C75.09°F 23.94°C75.09°F 23.94°C100972243.81159

Weather forecast for 16-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
2 AMClear Sky73.17°F 22.87°C73.17°F 22.87°C73.17°F 22.87°C10087853.78154
5 AMScattered Clouds71.53°F 21.96°C71.53°F 21.96°C71.53°F 21.96°C100780393.5142
8 AMBroken Clouds80.67°F 27.04°C80.67°F 27.04°C80.67°F 27.04°C100977623.78152
11 AMScattered Clouds90.66°F 32.59°C90.66°F 32.59°C90.66°F 32.59°C100968324.62163
2 PMClear Sky94.26°F 34.59°C94.26°F 34.59°C94.26°F 34.59°C10096505.87164
5 PMClear Sky89.29°F 31.83°C89.29°F 31.83°C89.29°F 31.83°C10086715.21167
8 PMClear Sky71.87°F 22.15°C71.87°F 22.15°C71.87°F 22.15°C10087354.73166
11 PMClear Sky70.77°F 21.54°C70.77°F 21.54°C70.77°F 21.54°C10107844.67147

Weather forecast for 17-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
2 AMClear Sky70.32°F 21.29°C70.32°F 21.29°C70.32°F 21.29°C10118086.81142
5 AMScattered Clouds70.3°F 21.28°C70.3°F 21.28°C70.3°F 21.28°C101180466.24139
8 AMBroken Clouds71.37°F 21.87°C71.37°F 21.87°C71.37°F 21.87°C101378564.85147
11 AMScattered Clouds73.24°F 22.91°C73.24°F 22.91°C73.24°F 22.91°C101472406.46155
2 PMClear Sky73.6°F 23.11°C73.6°F 23.11°C73.6°F 23.11°C10147085.72173
5 PMScattered Clouds72.27°F 22.37°C72.27°F 22.37°C72.27°F 22.37°C101472404.9169
8 PMClear Sky71.42°F 21.9°C71.42°F 21.9°C71.42°F 21.9°C10147474.43161
11 PMScattered Clouds70.59°F 21.44°C70.59°F 21.44°C70.59°F 21.44°C101578295.32161

Weather forecast for 18-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
2 AMOvercast Clouds70.14°F 21.19°C70.14°F 21.19°C70.14°F 21.19°C1015801004.01161
5 AMBroken Clouds69.91°F 21.06°C69.91°F 21.06°C69.91°F 21.06°C101581783.18147
8 AMBroken Clouds71.24°F 21.8°C71.24°F 21.8°C71.24°F 21.8°C101576652.41153
11 AMScattered Clouds73°F 22.78°C73°F 22.78°C73°F 22.78°C101670424.38196
2 PMScattered Clouds73.4°F 23°C73.4°F 23°C73.4°F 23°C101568264.66201
5 PMScattered Clouds72.5°F 22.5°C72.5°F 22.5°C72.5°F 22.5°C101469353.49205
8 PMClear Sky70.39°F 21.33°C70.39°F 21.33°C70.39°F 21.33°C10147442.65187
11 PMClear Sky69.48°F 20.82°C69.48°F 20.82°C69.48°F 20.82°C10157832.57188

Weather forecast for 19-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
2 AMFew Clouds69.03°F 20.57°C69.03°F 20.57°C69.03°F 20.57°C101580222.51166
5 AMFew Clouds68.52°F 20.29°C68.52°F 20.29°C68.52°F 20.29°C101482172.26183
8 AMClear Sky69.53°F 20.85°C69.53°F 20.85°C69.53°F 20.85°C10147861.06216
11 AMClear Sky72.9°F 22.72°C72.9°F 22.72°C72.9°F 22.72°C10136762.74226
2 PMClear Sky72.28°F 22.38°C72.28°F 22.38°C72.28°F 22.38°C10126784.39235
5 PMClear Sky72°F 22.22°C72°F 22.22°C72°F 22.22°C10116684.12228
8 PMClear Sky69.4°F 20.78°C69.4°F 20.78°C69.4°F 20.78°C10117612.7231
11 PMClear Sky68.86°F 20.48°C68.86°F 20.48°C68.86°F 20.48°C10138212.49229

Weather forecast for 20-July-2026

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
2 AMClear Sky68.49°F 20.27°C68.49°F 20.27°C68.49°F 20.27°C10128231.51168

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