WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 19-Apr-2026 09:00 pm
 
Tonight

Mostly Clear
Mostly Clear
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Clear
Mostly Clear
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Sunny
Sunny
Thursday
night
Clear
Clear
Friday

Partly Cloudy
Partly Cloudy
<2 mm. <2 mm.
Low: 3° High: 11° Low: 6° High: 12° Low: 5° High: 13° Low: 5° High: 16° Low: 6° High: 16°
                   
N→S
calm

Calm
ESE
3→7-16
mph
Moderate breeze
ESE
6-15
mph
Moderate breeze
ESE
13-23
mph
Fresh breeze
E
12-22
mph
Fresh breeze
E
12-22
mph
Fresh breeze
E
11-21
mph
Fresh breeze
E
10-19
mph
Fresh breeze
E
11-19→6
mph
Fresh breeze
E→NE
6-15
mph
Moderate breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Mostly clear in the evening, becoming fair after midnight. Low 3°. Wind north near calm in the evening, becoming south after midnight.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 11°. UV index up to 3. Wind east-southeast around 3 mph in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Low 6°. Wind east-southeast around 6 mph, gusting to 15 mph.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Breezy. High 12°. UV index up to 3. Wind east-southeast around 13 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly clear. Breezy. Low 5°. Wind east around 12 mph, gusting to 22 mph.
Wednesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Breezy. High 13°. UV index up to 3. Wind east around 12 mph, gusting to 22 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Cool. Low 5°. Wind east around 11 mph, gusting to 21 mph.
Thursday
 
Sunny. Mild. High 16°. UV index up to 4. Wind east around 10 mph, gusting to 19 mph.
Thursday night
 
Clear. Low 6°. Wind east around 11 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight.
Friday
 
Mostly sunny in the morning, becoming partly cloudy in the afternoon. Mild. High 16°. UV index up to 4. Wind east around 6 mph, gusting to 15 mph, in the morning, becoming northeast in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 5°. Wind north-northeast around 3 mph in the evening, becoming west after midnight.
Saturday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Mild. High 16°. UV index up to 3. Wind west around 8 mph, gusting to 19 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon.
Saturday night
 
Clear in the evening, becoming fair after midnight. Low 6°. Wind west-northwest around 6 mph, gusting to 17 mph, in the evening, becoming east-southeast after midnight.

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