WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 23-Apr-2026 06:00 pm
 
Tonight

Mostly Clear
Mostly Clear
Friday

Sunny
Sunny
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Low: 7° High: 20° Low: 8° High: 19° Low: 8° High: 18° Low: 7° High: 18°
               
ESE
7-20
mph
Fresh breeze
SE
7-16
mph
Moderate breeze
SSE
4
mph
Light breeze
WNW→NNE
3
mph
Light air
E→SSE
2→8
mph
Gentle breeze
SSE→NE
7→4
mph
Light breeze
W
2
mph
Light air
NNW
4
mph
Light breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Tonight
 
Mostly clear in the evening, becoming clear after midnight. Low 7°. Wind east-southeast around 7 mph, gusting to 20 mph.
Friday
 
Sunny. Mild. High 20°. UV index up to 4. Wind southeast around 7 mph, gusting to 16 mph.
Friday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 8°. Wind south-southeast around 4 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Mild. High 19°. UV index up to 4. Wind west-northwest around 3 mph in the morning, becoming north-northeast in the afternoon.
Saturday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 8°. Wind east around 2 mph in the evening, becoming south-southeast around 8 mph after midnight.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Mild. High 18°. UV index up to 3. Wind south-southeast around 7 mph in the morning, becoming northeast around 4 mph in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 7°. Wind west around 2 mph.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 18°. UV index up to 3. Wind north-northwest around 4 mph.
Monday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 7°. Wind north around 4 mph in the evening, becoming east after midnight.
Tuesday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. High 15°. UV index up to 2. Wind east-northeast around 8 mph, gusting to 17 mph.
Tuesday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 6°. Wind northeast around 6 mph, gusting to 16 mph, in the evening, becoming east near calm after midnight.
Wednesday
 
Sunny. Mild. High 19°. UV index up to 5. Wind north around 3 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Wednesday night
 
Mostly clear in the evening, becoming fair after midnight. Low 7°. Wind east-northeast around 11 mph, gusting to 19 mph.

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