WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 02-May-2026 03:00 pm
 
This
afternoon
Cloudy
Cloudy
Tonight

Rain likely
Rain likely
Sunday

Rain likely
Rain likely
Sunday
night
Cloudy
Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Chance rain
Chance rain
Tuesday
night
Fog late
Fog late
15 mm. <5 mm. <2 mm. <2 mm. 2 mm. <2 mm.
High: 14° Low: 9° High: 10° Low: 7° High: 12° Low: 6° High: 10° Low: 5°
               
ENE
7-16
mph
Moderate breeze
NE
3
mph
Light air
N
5→9
mph
Gentle breeze
NE
8
mph
Gentle breeze
NNE
5
mph
Light breeze
WNW
5
mph
Light breeze
NNW
9-19
mph
Fresh breeze
NNW
8-17
mph
Moderate breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Cloudy. High 14°. UV index up to 4. Wind east-northeast around 7 mph, gusting to 16 mph.
Tonight
 
Dense overcast. Patchy light fog. Rain likely. Low 9°. Wind northeast around 3 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Sunday
 
Dense overcast. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely. High 10°, but temperatures falling in the afternoon. Wind north around 5 mph in the morning, becoming 9 mph in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Cloudy. A slight chance of rain. Low 7°. Wind northeast around 8 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 12°. UV index up to 3. Wind north-northeast around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Low 6°. Wind west-northwest around 5 mph.
Tuesday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 10°. UV index up to 3. Wind north-northwest around 9 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Cool. Low 5°. Wind north-northwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Cold. High 9°. Wind chill ranging from 3 to 5. UV index up to 2. Wind north-northwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 5°. Wind north-northwest around 6 mph, gusting to 17 mph.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 10°. UV index up to 3. Wind northwest around 5 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy. Low 7°. Wind northeast around 5 mph in the evening, becoming east around 10 mph, gusting to 18 mph, after midnight.
Friday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. Breezy. High 11°. UV index up to 2. Wind east around 14 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Dense overcast. A chance of rain in the evening, then rain likely after midnight. Windy. Low 7°. Wind east around 17 mph, gusting to 28 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.

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