Belfast, the weather is:

taps oan

Taps-Aff (Scots Vernacular) Literally "tops off." The removing of one's shirt in the event of warm weather, a phenomenon rarely seen in Glasgow. Now an expression describing good times being had.1

Antonym: Taps-Oan, "tops on".
Current Weather: Pish (Light rain)
Temperature: 12°C (53°F)

Scotland:

Belfast's forecast:

Monday
14°C
14°C
Pish
Tuesday
14°C
14°C
Decentish
Wednesday
13°C
13°C
Decentish