WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 02-Oct-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Fog late
Fog late
Sunday

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

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog late
Fog late
Tuesday

Chance rain
Chance rain
<5 mm. <2 mm. <2 mm. 2 mm.
Low: 11° High: 16° Low: 8° High: 17° Low: 13° High: 18° Low: 13° High: 15°
               
WSW
14-28→8-16
mph
Strong breeze
WSW→WNW
4
mph
Light breeze
S
3
mph
Light air
SW
5→9-18
mph
Moderate breeze
SW
11-19
mph
Fresh breeze
SW
10-18
mph
Moderate breeze
SW
7-17
mph
Moderate breeze
SW→NW
8-16
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. 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. Breezy. Low 11°. Wind west-southwest around 14 mph, gusting to 28 mph, in the evening, becoming 8 mph, gusting to 16 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday
 
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. Light to moderate fog in the morning. High 16°. UV index up to 2. Wind west-southwest around 4 mph in the morning, becoming west-northwest in the afternoon.
Saturday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 8°. Wind south around 3 mph.
Sunday
 
Partly cloudy. Patchy light fog in the morning. High 17°. UV index up to 2. Wind southwest around 5 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.
Sunday night
 
Mostly cloudy to cloudy. Breezy. Low 13°. Wind southwest around 11 mph, gusting to 19 mph.
Monday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Mild. High 18°. UV index up to 2. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 13°. Wind southwest around 7 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming dense overcast 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 15°. Wind southwest around 8 mph, gusting to 16 mph, in the morning, becoming northwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening. A slight chance of rain. Low 9°. Wind northwest around 7 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 11°. Wind northwest around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 8°. Wind northwest around 12 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 12°. UV index up to 2. Wind northwest around 9 mph, gusting to 21 mph, in the morning, becoming west in the afternoon.
Thursday night
 
Dense overcast. Windy. Low 11°. Wind west-southwest around 15 mph, gusting to 27 mph, in the evening, becoming 24 mph, gusting to 33 mph, after midnight.

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