WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 23-May-2026 09:00 pm
 
Tonight

Fog late
Fog late
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Clear
Clear
Monday

Sunny
Sunny
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Sunny
Mostly Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Low: 10° High: 22° Low: 11° High: 27° Low: 12° High: 26° Low: 12° High: 26°
               
SSW
5
mph
Light breeze
SE→NNE
4
mph
Light breeze
E→SSE
3
mph
Light air
SE→NNW
4
mph
Light breeze
NNE→S
2
mph
Light air
NNE
3
mph
Light air
N→SE
2
mph
Light air
SE
11-21
mph
Fresh breeze
UV: 6
 High 
UV: 6
 High 
UV: 7
 High 
UV: 5
 Medium 

 

Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 10°. Wind south-southwest around 5 mph.
Sunday
 
Partly cloudy in the morning, becoming sunny in the afternoon. Unusually warm. High 22°. UV index up to 6. Wind southeast around 4 mph in the morning, becoming north-northeast in the afternoon.
Sunday night
 
Clear. Low 11°. Wind east around 3 mph in the evening, becoming south-southeast after midnight.
Monday
 
Sunny. Near record warmth. High 27°. UV index up to 6. Wind southeast around 4 mph in the morning, becoming north-northwest in the afternoon.
Monday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind north-northeast around 2 mph in the evening, becoming south after midnight.
Tuesday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Near record warmth. High 26°. UV index up to 7. Wind north-northeast around 3 mph.
Tuesday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 12°. Wind north around 2 mph in the evening, becoming southeast after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy with near record warmth. High 26°. UV index up to 5. Wind southeast around 11 mph, gusting to 21 mph.
Wednesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 13°. Wind southeast around 11 mph, gusting to 19 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Unusually warm. High 22°. UV index up to 4. Wind southeast around 10 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind southwest around 4 mph.
Friday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Unusually warm. High 25°. UV index up to 6. Wind south-southwest around 4 mph, gusting to 15 mph, in the morning, becoming west in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind east around 3 mph in the evening, becoming 7 mph after midnight.

WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.