I know weather patterns related to global atmospheric change cause cooling trends as well, so I'm not going there. But see Jillian Bandes, "Feel The Heat? Nope, Feel The Chill."
And the view out front at 9:00am this morning. Definitely a good time for a morning jog:
More weather blogging at SWAC Girl, "Will hot, dry weather make 2010 a good year for Virginia wines?"