WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 27-May-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Chance rain
Chance rain
Monday

Chance rain
Chance rain
2 mm. 7 mm. <2 mm. 2 mm. 2 mm.
Low: 15° High: 24° Low: 12° High: 21° Low: 12° High: 21° Low: 12° High: 15° Low: 10° High: 14°
                   
ESE
11-21
mph
Fresh breeze
SE→S
8-18
mph
Moderate breeze
SSW
12-20
mph
Fresh breeze
SW
9-18
mph
Moderate breeze
SW
6-16
mph
Moderate breeze
WSW
5-16
mph
Moderate breeze
SSW
9-16
mph
Moderate breeze
W
11-20
mph
Fresh breeze
WSW
10-20
mph
Fresh breeze
SSW
5
mph
Light breeze
UV: 4
 Medium 
UV: 6
 High 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 2
 Low 

 

Tonight
 
Partly to mostly cloudy. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind east-southeast around 11 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Unusually warm. High 24°. UV index up to 4. Wind southeast around 8 mph, gusting to 18 mph, in the morning, becoming south in the afternoon.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Breezy. Low 12°. Wind south-southwest around 12 mph, gusting to 20 mph.
Friday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 21°. UV index up to 6. Wind southwest around 9 mph, gusting to 18 mph.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind southwest around 6 mph, gusting to 16 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Mild. High 21°. UV index up to 5. Wind west-southwest around 5 mph, gusting to 16 mph.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely. Low 12°. Wind south-southwest around 9 mph, gusting to 16 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Sunday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 15°. UV index up to 4. Wind west around 11 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 10°. Wind west-southwest around 10 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Dense overcast. Patchy light fog. A chance of rain. High 14°. UV index up to 2. Wind south-southwest around 5 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday night
 
Cloudy. Patchy light fog. A chance of rain. Low 11°. Wind south-southwest around 8 mph, gusting to 15 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday
 
Cloudy in the morning, becoming mostly 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. Breezy. High 15°. UV index up to 5. Wind west-northwest around 12 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind south-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.

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