be set fair

be set fair

1. Of the weather, to be apt to stay pleasant. Primarily heard in UK. The weather seems like it'll be set fair all through our vacation, thank goodness.
2. To be in a good position to succeed or prevail. Primarily heard in UK. If you spend the weekend studying, then you'll be set fair to pass your exam on Monday.
See also: fair, set
Farlex Dictionary of Idioms.

be set ˈfair

(British English)
1 (of weather) be good and with no sign of change: Apparently the weather is set fair for the rest of the week.
2 be likely to be successful: They are set fair to win the championship.
See also: fair, set
Farlex Partner Idioms Dictionary
See also:
  • make fair weather
  • (I've) been under the weather
  • been under the weather
  • weather eye, to keep a
  • Queen's weather
  • weather
  • weather breeder
  • breeder
  • make bad weather of it
  • nice weather we're having