WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 02-May-2026 11:00 am
 
This
afternoon
Cloudy
Cloudy
Tonight

Rain likely
Rain likely
Sunday

Chance rain
Chance rain
Sunday
night
Cloudy
Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Mostly Cloudy
Mostly Cloudy
5 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 15° Low: 9° High: 13° Low: 10° High: 14° Low: 7° High: 11° Low: 6° High: 12° Low: 6°
                   
NE
5
mph
Light breeze
NE→E
calm

Calm
ENE
4→7
mph
Light breeze
ENE
7-15
mph
Moderate breeze
NE
5
mph
Light breeze
WNW
5
mph
Light breeze
WNW
9-18
mph
Moderate breeze
WNW
8-18
mph
Moderate breeze
NW
6-15
mph
Moderate breeze
NW→WSW
5
mph
Light breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Cloudy. High 15°. UV index up to 3. Wind northeast around 5 mph.
Tonight
 
Dense overcast. Patchy light fog. Rain likely. Low 9°. Wind northeast near calm in the evening, becoming east after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 13°. UV index up to 3. Wind east-northeast around 4 mph in the morning, becoming 7 mph in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy. A slight chance of rain in the evening. Low 10°. Wind east-northeast around 7 mph, gusting to 15 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 14°. UV index up to 3. Wind northeast around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Low 7°. Wind west-northwest around 5 mph.
Tuesday
 
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. High 11°. UV index up to 3. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Low 6°. Wind west-northwest around 8 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 12°. UV index up to 3. Wind northwest around 6 mph, gusting to 15 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 6°. Wind northwest around 5 mph in the evening, becoming west-southwest after midnight.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. High 12°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 7°. Wind south-southwest around 7 mph, gusting to 18 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain in the afternoon. High 14°. UV index up to 4. Wind south-southeast around 4 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Low 8°. Wind north-northeast around 5 mph.

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