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

Chance rain
Chance rain
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
Saturday

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

Mostly Cloudy
Mostly Cloudy
<2 mm. 2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
Low: 14° High: 17° Low: 11° High: 18° Low: 10° High: 18° Low: 11° High: 20°
               
W
8-16
mph
Moderate breeze
WNW
9-18
mph
Moderate breeze
WNW→SW
4-15
mph
Moderate breeze
W
9-19
mph
Fresh breeze
WSW
7-18
mph
Moderate breeze
W
9-18
mph
Moderate breeze
W→SW
5-16
mph
Moderate breeze
E→NE
4
mph
Light breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

Tonight
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind west around 8 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly sunny 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 17°. UV index up to 5. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Fair in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Cool. Low 11°. Wind west-northwest around 4 mph, gusting to 15 mph, in the evening, becoming southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly sunny. Patchy light fog in the morning. A slight chance of rain. High 18°. UV index up to 5. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Light to moderate fog after midnight. A slight chance of rain. Cool. Low 10°. Wind west-southwest around 7 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 18°. UV index up to 5. Wind west around 9 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy. Low 11°. Wind west around 5 mph, gusting to 16 mph, in the evening, becoming southwest after midnight.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 20°. UV index up to 4. Wind east around 4 mph in the morning, becoming northeast in the afternoon.
Sunday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 14°. Wind east-northeast around 4 mph.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the afternoon. Mild. High 22°. UV index up to 4. Wind east-southeast around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind east-southeast around 5 mph in the evening, becoming south-southeast after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming 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 19°. UV index up to 4. Wind west-southwest around 7 mph, gusting to 18 mph, in the morning, becoming east in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 14°. Wind east-northeast around 10 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.

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