WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 23-May-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Sunny
Mostly Sunny
Sunday
night
Mostly Clear
Mostly Clear
Monday

Sunny
Sunny
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
High: 21° Low: 11° High: 23° Low: 11° High: 26° Low: 12° High: 25° Low: 13°
               
W
7-16
mph
Moderate breeze
SSW
6-15
mph
Moderate breeze
SE→NNE
4
mph
Light breeze
ESE
2
mph
Light air
SE→NE
4
mph
Light breeze
SW
2
mph
Light air
NNW
4
mph
Light breeze
NNW→SE
3→7
mph
Light breeze
UV: 6
 High 
UV: 6
 High 
UV: 7
 High 
UV: 6
 High 

 

This afternoon
 
Partly cloudy. Mild. High 21°. UV index up to 6. Wind west around 7 mph, gusting to 16 mph.
Tonight
 
Partly to mostly cloudy. Low 11°. Wind south-southwest around 6 mph, gusting to 15 mph.
Sunday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Unusually warm. High 23°. UV index up to 6. Wind southeast around 4 mph in the morning, becoming north-northeast in the afternoon.
Sunday night
 
Clear in the evening, becoming mostly clear after midnight. Low 11°. Wind east-southeast around 2 mph.
Monday
 
Sunny. Near record warmth. High 26°. UV index up to 7. Wind southeast around 4 mph in the morning, becoming northeast in the afternoon.
Monday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 12°. Wind southwest around 2 mph.
Tuesday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. Unusually warm. High 25°. UV index up to 6. Wind north-northwest around 4 mph.
Tuesday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 13°. Wind north-northwest around 3 mph in the evening, becoming southeast around 7 mph after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and unusually warm. High 25°. UV index up to 5. Wind southeast around 12 mph, gusting to 22 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Low 12°. Wind southeast around 10 mph, gusting to 19 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. Unusually warm. High 23°. UV index up to 5. Wind southeast around 6 mph, gusting to 18 mph, in the morning, becoming west in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Moderate fog after midnight. Low 11°. Wind west-southwest around 5 mph, gusting to 16 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Moderate fog in the morning. Mild. High 20°. UV index up to 5. Wind west-southwest around 7 mph, gusting to 15 mph.
Friday night
 
Cloudy in the evening, becoming partly cloudy after midnight. Low 10°. Wind west-southwest around 4 mph.

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