smudgy

adjective4

1. •
   Marked with smudges.
2. •
   Like a thick smoke (such as is emitted by a smudge pot); thick and smoky or smokelike.
3. •
   Hot and humid or stuffy; sweltering.

   • […] and the smudgy heat cast from the cavernous fireplace. — 1985
4. •
   Rainy or drizzly.

   • […] under overcast skies. "It's a smudgy day," Alex observes. Indeed, a light drizzle falls from clouds that look as though they've been rubbed out with a fat eraser. — 2000