WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 29-Apr-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Sunny
Sunny
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Cloudy
Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Chance rain
Chance rain
<2 mm. 5 mm. 2 mm.
Low: 9° High: 20° Low: 10° High: 20° Low: 8° High: 12° Low: 8° High: 14°
               
E
13-23
mph
Fresh breeze
E
14-23
mph
Fresh breeze
ESE
9-19
mph
Fresh breeze
SE→NNW
5
mph
Light breeze
WSW
6
mph
Light breeze
WSW→NE
5
mph
Light breeze
NE
2
mph
Light air
NE
3→7
mph
Light breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming fair after midnight. Breezy. Low 9°. Wind east around 13 mph, gusting to 23 mph.
Thursday
 
Sunny. Breezy and mild. High 20°. UV index up to 4. Wind east around 14 mph, gusting to 23 mph.
Thursday night
 
Partly cloudy. Low 10°. Wind east-southeast around 9 mph, gusting to 19 mph.
Friday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Mild. High 20°. UV index up to 3. Wind southeast around 5 mph in the morning, becoming north-northwest in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 8°. Wind west-southwest around 6 mph.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 12°. Wind west-southwest around 5 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely. Low 8°. Wind northeast around 2 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday
 
Mostly cloudy. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 14°. UV index up to 3. Wind northeast around 3 mph in the morning, becoming 7 mph in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Light to moderate fog. Rain likely. Low 9°. Wind east-northeast around 3 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A chance of rain. High 12°. UV index up to 3. Wind north-northeast around 4 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 8°. Wind north-northwest around 3 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 12°. UV index up to 3. Wind east-southeast around 4 mph, gusting to 16 mph, in the morning, becoming north-northwest around 13 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. A chance of rain. Breezy and cold. Low 4°. Wind chill ranging from -1 to 6. Wind northwest around 17 mph, gusting to 27 mph, in the evening, becoming 14 mph, gusting to 23 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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