Forecast and Conditions for Costa Mesa, California

Updated: 10:09 AM PDT on May 17, 2008 Observed at 405/Harbor Blvd, Costa Mesa, California
Temperature	94.5 °F / 34.7 °C
Humidity	-999%
Dew Point	°F / °C
Wind	South at 2.9 mph / 4.7 km/h
Pressure	in / hPa (Falling)
Conditions	Partly Cloudy
Visibility	10.0 miles / 16.1 kilometers
Clouds	(FEW) : 25000 ft / 7620 m
Yesterday's Maximum	93 °F / 33 °C
Yesterday's Minimum	62 °F / 16 °C
Normal high	70 °F / 21 °C
Normal low	56 °F / 13 °C
Record high	74 °F / 23 °C (1999)
Record low	54 °F / 12 °C (2000)
Yesterday's Heating Degree Days	0
Yesterday's Cooling Degree Days	13
Sunrise	05:49 AM (PDT)
Sunset	07:47 PM (PDT)
Moon Rise	06:00 PM (PDT)
Moon Set	04:04 AM (PDT)
Moon Phase

Special Weather Statement Statement as of 4:30 PM PDT on May 16, 2008

... Record breaking heat this weekend...

Strong high pressure aloft will build over Southern California this
weekend with record highs likely in many areas. Highs will soar
above 100 in the valleys and foothills... and exceed 110 in the lower
deserts. The coolest weather will be in the mountains above 6000
feet where highs will be in the 70s and 80s. The immediate coast may
also see some relief from afternoon sea breezes and a very shallow
marine layer.

People with outdoor activities this weekend should prepare for the
unseasonably hot weather. With afternoon temperatures in the inland
areas ranging from 95 to 105 degrees and humidities in the
teens... dehydration is a real threat. Regular water Intake will help
you stay hydrated. Wear loose fitting light weight clothing... and
take advantage of shade and air conditioning.

High temperatures forecast for Saturday and Sunday

Beaches... ... ... ... ... ... ... ... ... .70 to 80
coastal zones... ... ... ... ... ... ... .80 (coast) to 95 (inland)
inland valleys... ... ... ... ... ... ... 95 to 105
mountains below 6000 feet... ... ... .85 to 95
mountains above 6000 feet... ... ... .75 to 85
upper deserts... ... ... ... ... ... ... .93 to 103
lower deserts... ... ... ... ... ... ... .103 to 113

On Monday it will remain hot and dry in the inland
valleys... mountains and deserts. However... increasing onshore flow
will bring slight cooling to the coastal zones.

On Tuesday and Wednesday a trough of low pressure will bring cooler
weather to all areas.

Forecast as of 3:30 am PDT on May 17, 2008

	Today Mostly sunny. Highs 78 to 83 near the coast to 92 to 97 inland. Light winds.
	Tonight Mostly clear. Lows 64 to 69. Winds southwest 15 mph in the evening becoming light.
	Sunday Mostly sunny. Highs 73 to 78 near the coast to 90 to 95 inland. Light winds.
	Sunday Night Clear...except for patchy low clouds and fog near the coast after midnight with visibility one quarter mile or less at times. Lows 62 to 67. Light winds.
	Monday Mostly sunny...except for patchy early morning low clouds and fog near the coast with visibility one quarter mile or less at times. Highs 74 to 79 near the coast to 86 to 91 inland. Light winds.
	Monday Night Mostly clear in the evening then patchy low clouds and fog. Lows 59 to 65.
	Tuesday Areas of low clouds and fog in the morning then mostly sunny. Highs 67 to 72 near the coast to 75 to 80 inland.
	Tuesday Night Mostly clear in the evening then low clouds and fog. Lows 58 to 63.
	Wednesday Low clouds and fog in the morning then mostly sunny. Highs 67 to 72 near the coast to 74 to 79 inland.
	Wednesday Night Mostly clear in the evening then low clouds and fog. Lows 56 to 61.
	Thursday Low clouds and fog in the morning then mostly sunny. Highs 66 to 71 near the coast to 70 to 75 inland.
	Thursday Night Mostly clear in the evening then areas of low clouds and fog. Lows 55 to 60.
	Friday Areas of low clouds and fog in the morning then partly cloudy. Highs around 67 near the coast to 70 to 75 inland.