WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 03-May-2026 11:00 am
 
This
afternoon
Fog
Fog
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
Wednesday
night
Cloudy
Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 13° Low: 8° High: 14° Low: 6° High: 12° Low: 6° High: 11° Low: 7°
               
N
6
mph
Light breeze
NE
6
mph
Light breeze
NE→N
6
mph
Light breeze
NW
5
mph
Light breeze
NW
8-17
mph
Moderate breeze
WNW→SSE
4
mph
Light breeze
SSE
8-18
mph
Moderate breeze
SSW
3
mph
Light air
UV: 3
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 2
 Low 

 

This afternoon
 
Mostly cloudy to cloudy. Patchy light fog. A chance of rain. High 13°. UV index up to 3. Wind north around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Mostly cloudy to cloudy. A slight chance of rain in the evening. Low 8°. Wind northeast around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 14°. UV index up to 4. Wind northeast around 6 mph in the morning, becoming north in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 6°. Wind northwest around 5 mph.
Tuesday
 
Partly 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 northwest around 8 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy. Low 6°. Wind west-northwest around 4 mph in the evening, becoming south-southeast after midnight.
Wednesday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 11°. UV index up to 2. Wind south-southeast around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Cloudy. A slight chance of rain. Low 7°. Wind south-southwest around 3 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 12°. UV index up to 3. Wind south-southwest around 9 mph, gusting to 18 mph.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Low 7°. Wind south-southwest around 7 mph, gusting to 16 mph.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the afternoon. Rain likely. High 10°, but temperatures falling in the afternoon. Wind west around 4 mph in the morning, becoming north in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday night
 
Dense overcast. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 7°. Wind chill ranging from 3 to 8. Wind north around 2 mph in the evening, becoming east around 9 mph, gusting to 23 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Saturday
 
Cloudy. A chance of rain. High 13°. UV index up to 3. Wind east around 11 mph, gusting to 20 mph, in the morning, becoming northeast around 4 mph in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy. Breezy. Low 10°. Wind northeast around 7 mph, gusting to 17 mph, in the evening, becoming 15 mph, gusting to 23 mph, after midnight.

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