WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 03-May-2026 09:00 pm
 
Tonight

Cloudy
Cloudy
Monday

Fog a.m.
Fog a.m.
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
<2 mm. 5 mm. <2 mm. <5 mm. 2 mm. <2 mm.
Low: 8° High: 13° Low: 6° High: 10° Low: 6° High: 11° Low: 6° High: 13°
               
NE
4
mph
Light breeze
NNE
6
mph
Light breeze
WNW
4
mph
Light breeze
NNW
8-17
mph
Moderate breeze
NNW→ENE
5
mph
Light breeze
ENE
6
mph
Light breeze
ESE→S
6
mph
Light breeze
SSW
10-21
mph
Fresh breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Tonight
 
Cloudy. Low 8°. Wind northeast around 4 mph.
Monday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 13°. UV index up to 3. Wind north-northeast around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Low 6°. Wind west-northwest around 4 mph.
Tuesday
 
Mostly cloudy. Rain likely. High 10°. UV index up to 3. Wind north-northwest around 8 mph, gusting to 17 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Light to moderate fog after midnight. A chance of rain. Low 6°. Wind north-northwest around 5 mph in the evening, becoming east-northeast after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly 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 11°. UV index up to 3. Wind east-northeast around 6 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Mostly cloudy to cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 6°. Wind east-southeast around 6 mph in the evening, becoming south after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy. A slight chance of rain. High 13°. UV index up to 3. Wind south-southwest around 10 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 8°. Wind south-southwest around 9 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight.
Friday
 
Mostly cloudy. A chance of rain. High 13°. UV index up to 4. Wind south-southwest around 3 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Partly to mostly cloudy. Patchy light fog after midnight. Low 7°. Wind north-northeast around 4 mph.
Saturday
 
Dense overcast. A chance of rain in the morning, then rain likely in the afternoon. Breezy and cold. High 9°, but temperatures falling in the afternoon. Wind chill around 4. UV index up to 2. Wind north-northeast around 12 mph, gusting to 22 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Saturday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 6°, but temperatures rising after midnight. Wind east around 11 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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