Costa Mesa, CA Weather

    08:00 Sunday
    Overcast
    Overcast
    12° Feels like 12°
    Gentle north wind North 3 - 13 km/h
    • Today 21 Dec. Fog More information 17° / 10° Moderate west wind 8 - 20 km/h
    • Tomorrow 22 Dec. Fog 16° / 9° Gentle west wind 4 - 13 km/h
    • Tuesday 23 Dec. Light rain with partly cloudy skies 90% 12 mm 18° / 13° Moderate southeast wind 28 - 48 km/h
    • Wednesday 24 Dec. Moderate rain with partly cloudy skies 90% 47 mm 18° / 14° Strong southeast wind 31 - 59 km/h
    • Thursday 25 Dec. Moderate rain with partly cloudy skies 90% 31 mm 17° / 13° Moderate southwest wind 18 - 40 km/h
    • Friday 26 Dec. Moderate rain with partly cloudy skies 90% 19 mm 16° / 11° Moderate west wind 12 - 35 km/h
    • Saturday 27 Dec. Light rain with partly cloudy skies 50% 4.8 mm 15° / 9° Moderate west wind 6 - 27 km/h

    Weather Forecast for Costa Mesa, CA Today

    , 21 December

    Tomorrow

    , 22 December
    09:00 Overcast 12° Overcast
    Feels Like 12°
    Gentle north wind North 3 - 13 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 200 m
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 14108 ft
    10:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Gentle northwest wind Northwest 3 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 78%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 14108 ft
    11:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Gentle west wind West 3 - 14 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 27%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 13780 ft
    12:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Gentle west wind West 4 - 14 km/h
    		UV Index 3 Moderate SPF: 6-10
    • Rain Rain 0% 0 mm
    • Humidity Humidity 79%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 23%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 13780 ft
    13:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 5 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 76%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 9 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 13780 ft
    Scattered clouds 14:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 8 - 19 km/h
    		UV Index 1 Low SPF: no
    14:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 8 - 19 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 77%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 53%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 13780 ft
    15:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 8 - 19 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 81%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 52%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 19 km/h
    • Snowline Snowline 13780 ft
    16:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 5 - 17 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 84%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 45%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 17 km/h
    • Snowline Snowline 13451 ft
    Scattered clouds 17:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Gentle northwest wind Northwest 4 - 11 km/h
    		UV Index 0 Low SPF: no
    17:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Gentle northwest wind Northwest 4 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 51%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13451 ft
    18:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Gentle northwest wind Northwest 6 - 11 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 42%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13451 ft
    19:00 Clear skies 15° Clear
    Feels Like 15°
    Gentle northwest wind Northwest 5 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 8%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 13451 ft
    Scattered clouds 20:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Gentle northwest wind Northwest 4 - 10 km/h
    		UV Index 0 Low SPF: no
    20:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Gentle northwest wind Northwest 4 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 45%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Snowline Snowline 13451 ft
    21:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Gentle northwest wind Northwest 3 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 76%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 3 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 13451 ft
    22:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Gentle northwest wind Northwest 2 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 79%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 2 km
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 13451 ft
    Mist 23:00 Mist 13° Mist
    Feels Like 13°
    Gentle north wind North 2 - 9 km/h
    		UV Index 0 Low SPF: no
    23:00 Fog 13° Fog
    Feels Like 13°
    Gentle north wind North 2 - 9 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 150 m
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 9 km/h
    • Snowline Snowline 13123 ft
    24:00 Fog 12° Fog
    Feels Like 12°
    Gentle north wind North 3 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 100 m
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 10 km/h
    • Snowline Snowline 13123 ft

    Sunrise and Sunset

    Sunrise 06:52 Sunset 16:47
    First light 06:24 Midday 11:50 Last light 17:15
    Day length 9h 55m

    Remaining daylight 7h 52m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon

    Air quality in Costa Mesa today

    Detail
    46
    Moderate PM₂₅ (31 µg/m³)
    • Possible health risk.
    • Enjoy your usual outdoor activities if you do not experience symptoms.
    • Sensitive people should limit prolonged or intense outdoor activities.

    Weather graphs
    Maximum Minimum Rainfall

    Videos

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