Glasgow, 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: Braw (Sunny)
Temperature: 13°C (55°F)

Scotland:

Glasgow's forecast:

Tuesday
17°C
17°C
Decentish
Wednesday
20°C
20°C
Taps Aff
Thursday
21°C
21°C
Pish