Costa Mesa, CA Weather

    09:00 Monday
    Overcast
    Overcast
    11° Feels like 11°
    Gentle northeast wind Northeast 3 - 12 km/h
    • Today 15 Dec. Fog More information 17° / 9° Gentle southeast wind 6 - 15 km/h
    • Tomorrow 16 Dec. Fog 19° / 10° Gentle east wind 6 - 14 km/h
    • Wednesday 17 Dec. Scattered clouds 19° / 12° Gentle southeast wind 8 - 17 km/h
    • Thursday 18 Dec. Scattered clouds 21° / 12° Gentle west wind 9 - 18 km/h
    • Friday 19 Dec. Scattered clouds 20° / 11° Gentle southeast wind 5 - 13 km/h
    • Saturday 20 Dec. Scattered clouds 18° / 12° Gentle south wind 6 - 17 km/h
    • Sunday 21 Dec. Scattered clouds 19° / 11° Gentle west wind 5 - 16 km/h

    Weather Forecast for Costa Mesa, CA Today

    , 15 December

    Tomorrow

    , 16 December
    09:00 Overcast 11° Overcast
    Feels Like 11°
    Gentle northeast wind Northeast 3 - 12 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 99%
    • Feels Like Feels Like 11 °C
    • Visibility Visibility 100 m
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 13451 ft
    10:00 Overcast 13° Overcast
    Feels Like 13°
    Gentle northeast wind Northeast 3 - 13 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 98%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 150 m
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 13780 ft
    11:00 Partly cloudy 14° Partly cloudy
    Feels Like 14°
    Gentle northeast wind Northeast 1 - 12 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 90%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 65%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 1 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 13780 ft
    12:00 Scattered clouds 16° Scattered clouds
    Feels Like 16°
    Gentle west wind West 2 - 11 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 23%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 11 km/h
    • Snowline Snowline 13780 ft
    13:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 4 - 13 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 82%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 13%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 13780 ft
    Sunny 14:00 Clear 17° Sunny
    Feels Like 17°
    Gentle west wind West 6 - 15 km/h
    		UV Index 2 Low SPF: no
    14:00 Scattered clouds 17° Scattered clouds
    Feels Like 17°
    Gentle west wind West 6 - 15 km/h
    		UV Index 2 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 7%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 13780 ft
    15:00 Clear 17° Sunny
    Feels Like 17°
    Gentle west wind West 6 - 15 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 83%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 3%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 14108 ft
    16:00 Clear 17° Sunny
    Feels Like 17°
    Gentle west wind West 4 - 14 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 85%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 1%
    • Feels Like Feels Like 17 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 14108 ft
    Sunny 17:00 Clear 15° Sunny
    Feels Like 15°
    Gentle west wind West 4 - 8 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear 15° Sunny
    Feels Like 15°
    Gentle west wind West 4 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 89%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 30 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 14108 ft
    18:00 Clear skies 15° Clear
    Feels Like 15°
    Gentle west wind West 4 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 91%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 5%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Snowline Snowline 14108 ft
    19:00 Clear skies 14° Clear
    Feels Like 14°
    Gentle northwest wind Northwest 2 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 25 km
    • Wind Wind - Average 2 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Snowline Snowline 14108 ft
    Scattered clouds 20:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Gentle east wind East 3 - 7 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Gentle east wind East 3 - 7 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 20%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 7 km/h
    • Snowline Snowline 14436 ft
    21:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Gentle southeast wind Southeast 5 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 22%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 10 km/h
    • Snowline Snowline 14436 ft
    22:00 Scattered clouds 13° Scattered clouds
    Feels Like 13°
    Gentle southeast wind Southeast 6 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 30%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14436 ft
    Partly cloudy 23:00 Partly cloudy 13° Partly cloudy
    Feels Like 13°
    Gentle south wind South 4 - 12 km/h
    		UV Index 0 Low SPF: no
    23:00 Mist 13° Mist
    Feels Like 13°
    Gentle south wind South 4 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 76%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 3 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14436 ft
    24:00 Mist 12° Mist
    Feels Like 12°
    Gentle northeast wind Northeast 1 - 8 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 91%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 150 m
    • Wind Wind - Average 1 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 8 km/h
    • Snowline Snowline 14108 ft

    Sunrise and Sunset

    Sunrise 06:49 Sunset 16:45
    First light 06:21 Midday 11:47 Last light 17:12
    Day length 9h 56m

    Remaining daylight 7h 39m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    15 Last Quarter
    16 Last Quarter
    17 Last Quarter
    18 New Moon
    19 New Moon
    20 New Moon
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter

    Air quality in Costa Mesa today

    Detail
    34
    Fair NO₂ (67 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

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