WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 23-Apr-2026 11:00 am
 
This
afternoon
Fair
Fair
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
Mostly Cloudy
Mostly Cloudy
High: 19° Low: 8° High: 21° Low: 7° High: 20° Low: 8° High: 18° Low: 8°
               
SE
11-20
mph
Fresh breeze
SE
7-17
mph
Moderate breeze
SE
7-17
mph
Moderate breeze
SSE
4
mph
Light breeze
NE
3
mph
Light air
SSW→SSE
2→6
mph
Light breeze
SSE→NNW
6
mph
Light breeze
WNW→SSW
calm

Calm
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Fair. Mild. High 19°. UV index up to 4. Wind southeast around 11 mph, gusting to 20 mph.
Tonight
 
Mostly clear in the evening, becoming clear after midnight. Low 8°. Wind southeast around 7 mph, gusting to 17 mph.
Friday
 
Sunny. Unusually warm. High 21°. UV index up to 4. Wind southeast around 7 mph, gusting to 17 mph.
Friday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 7°. Wind south-southeast around 4 mph.
Saturday
 
Partly cloudy. Mild. High 20°. UV index up to 4. Wind northeast around 3 mph.
Saturday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 8°. Wind south-southwest around 2 mph in the evening, becoming south-southeast around 6 mph after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Mild. High 18°. UV index up to 3. Wind south-southeast around 6 mph in the morning, becoming north-northwest in the afternoon.
Sunday night
 
Dense overcast in the evening, becoming partly to mostly cloudy after midnight. Low 8°. Wind west-northwest near calm in the evening, becoming south-southwest after midnight.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 18°. UV index up to 4. Wind northwest around 3 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Monday night
 
Mostly cloudy. Low 8°. Wind northwest around 7 mph, gusting to 17 mph, in the evening, becoming north-northeast after midnight.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 13°. UV index up to 3. Wind east-northeast around 11 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 7°. Wind east-northeast around 12 mph, gusting to 20 mph, in the evening, becoming 8 mph, gusting to 19 mph, after midnight.
Wednesday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Mild. High 17°. UV index up to 5. Wind east-southeast around 7 mph, gusting to 17 mph, in the morning, becoming northeast in the afternoon.
Wednesday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 6°. Wind northeast around 7 mph, gusting to 17 mph, in the evening, becoming southeast after midnight.

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