WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 11-Jun-2026 03:00 pm
 
This
afternoon
Overcast
Overcast
Tonight

Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm.
High: 17° Low: 11° High: 15° Low: 9° High: 16° Low: 9° High: 18° Low: 9°
               
W
13-21
mph
Fresh breeze
WSW
13-20
mph
Fresh breeze
WSW
15-23→18-26
mph
Strong breeze
WSW
15-24
mph
Fresh breeze
W
16-25
mph
Strong breeze
W
11-23→7
mph
Fresh breeze
W→NW
7-16
mph
Moderate breeze
ENE→SE
4
mph
Light breeze
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

This afternoon
 
Dense overcast. A slight chance of rain. Breezy. High 17°. UV index up to 3. Wind west around 13 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Breezy. Low 11°. Wind west-southwest around 13 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 15°. UV index up to 5. Wind west-southwest around 15 mph, gusting to 23 mph, in the morning, becoming 18 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Breezy and cool. Low 9°. Wind west-southwest around 15 mph, gusting to 24 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy. High 16°. UV index up to 5. Wind west around 16 mph, gusting to 25 mph.
Saturday night
 
Partly cloudy. Cool. Low 9°. Wind west around 11 mph, gusting to 23 mph, in the evening, becoming 7 mph after midnight.
Sunday
 
Mostly cloudy to cloudy. High 18°. UV index up to 4. Wind west around 7 mph, gusting to 16 mph, in the morning, becoming northwest in the afternoon.
Sunday night
 
Partly to mostly cloudy in the evening, becoming fair after midnight. Low 9°. Wind east-northeast around 4 mph in the evening, becoming southeast after midnight.
Monday
 
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Mild. High 21°. UV index up to 5. Wind southeast around 3 mph in the morning, becoming west-northwest in the afternoon.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind west-northwest around 3 mph in the evening, becoming east-southeast after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 3. Wind east-southeast around 7 mph in the morning, becoming south-southwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Dense overcast. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 12°. Wind southwest around 7 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 18°. UV index up to 4. Wind southwest around 10 mph, gusting to 16 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. Low 13°. Wind southwest around 7 mph.

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