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: Decentish (Patchy rain possible)
Temperature: 6°C (43°F)

Scotland:

Glasgow's forecast:

Sunday
10°C
10°C
Awright
Monday
8°C
8°C
Decentish
Tuesday
8°C
8°C
Pish