Aliso Viejo, CA Weather

Aliso Viejo, CA climate is warm during summer when temperatures tend to be in the 70's and cool during winter when temperatures tend to be in the 50's.

The warmest month of the year is August with an average maximum temperature of 83.40 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 47.10 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Aliso Viejo is 14.03 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is February with an average rainfall of 3.38 Inches.

Weather Data

Current Conditions

(Updated: 1:53 PM PST MON NOV 23 2009)

Fair, 72°F	Humidity: 41%	Dewpoint: 47°F
	Wind Speed: SW 4.6 MPH (4 KT)	Heat Index: 72°F
	Barometer: 29.98 in.	Wind Chill: 72°F

Weather Forecast

(Generated: 1:34 PM PST MON NOV 23 2009)

		Tonight: Clear. Lows 47 to 54. Winds east 15 mph.
	Lo: 51°F
	Hi: 79°F	Tuesday: Sunny. Highs 71 to 76 near the coast to 79 inland. Winds northeast 15 mph in the morning becoming light.
	Lo: 50°F
	Hi: 81°F	Wednesday: Sunny. Highs 71 to 76 near the coast to 78 to 83 inland. Winds northeast 15 mph in the morning becoming light.
	Lo: 50°F
	Hi: 80°F	Thanksgiving day: Sunny. Highs around 72 near the coast to 77 to 82 inland.
	Lo: 52°F
	Hi: 72°F	Friday: Partly cloudy in the morning...Becoming mostly sunny. Patchy fog in the morning. Visibility one quarter mile or less at Times in the morning. Highs 65 to 70 near the coast to 69 to 74 inland.
	Lo: 47°F
	Hi: 71°F	Saturday: Partly cloudy. Patchy fog in the morning. Highs around 66 near the coast to 68 to 73 inland.
	Lo: 50°F
	Hi: 72°F	Sunday: Mostly sunny. Highs around 67 near the coast to 69 to 74 inland.
	Lo: 50°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:02 AM PST	Sunrise: 6:29 AM PST
		Sunset: 4:44 PM PST	Civil Twilight: 5:11 PM PST

Normal Climate

Normal Temperatures

(EL TORO MCAS Weather station, 4.34 miles from Aliso Viejo)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	66.2	67.4	67.7	71.8	73.2	77.9	82.3	83.4	82.1	77.6	71.7	66.9	74.0
Mean °F	56.7	57.6	58.2	61.5	64.2	68.3	72.4	73.4	72.1	67.5	61.5	57.0	64.2
Min °F	47.2	47.7	48.7	51.2	55.2	58.7	62.4	63.4	62.1	57.3	51.2	47.1	54.4

Normal Precipitation