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Webster 1913 Edition

Adj.

Somewhat cold; cool; chilly.

coldish ‎(not comparable)

Somewhat cold
- 1913, D. H. Lawrence, Sons and Lovers, Chapter 5,
  "It's a treat of a colour," said he. "That coldish colour like earth, and yet shiny. It's like bog-water."
- 1939, George Orwell, Coming Up for Air, Chapter 4,
  I was walking westward up the Strand, and though it was coldish I went slowly to get the pleasure of my cigar.

somewhat cold