Bay Area Travel, Silicon Cali Travel First rain of the season falls on Silicon Valley October 9, 2012 SCAdmin Rain pours over Silicon Valley October 9, 2012. (image credit: SiliconCali.com) A true sign winter is coming. The rain was heavy at times. Enough to wash the dust out of the air and make the roads slick. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)