Phoenix weather: First day of spring

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By Catherine Holland By Catherine Holland

PHOENIX -- Clouds are streaming into Arizona today for our first official day of spring.  The vernal equinox was this morning at 4:02 a.m., marking the time when the sun is directly over the equator.  The sun now continues moving north until the summer solstice on June 20.  This is the time of year when days and nights are almost equal length and the sun rises directly in the east and sets directly in the west.

Spring will have a cloudy but warm start in Arizona. Clouds are spilling into the state from the west over a ridge of high pressure. Very little if any rain is expected today for the state, but mostly cloudy skies are forecast for most of the day and night ahead. 

In the Valley, temperatures will still peak well above average in the mid 80s. The same weather pattern and temperatures are expected for tomorrow, before a dry cold front moves in on Friday. 

Look for breezy to locally windy conditions across the state on Friday, with winds in the Valley forecast to be between 10 and 20 mph, with southwesterly gusts of up to 30 mph.

No rain is expected with the storm, but temperatures will drop behind the front. 

Look for a sunny weekend with afternoon highs in the 70s and overnight lows dropping to the 40s and 50s.

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