WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 29-May-2026 06:00 pm
 
Tonight

Fog late
Fog late
Saturday

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

Chance rain
Chance rain
Sunday
night
Fog late
Fog late
Monday

Rain likely
Rain likely
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
5 mm. 2 mm. 15 mm. 5 mm. <2 mm.
Low: 12° High: 21° Low: 12° High: 16° Low: 12° High: 14° Low: 12° High: 16°
               
S
8-19
mph
Fresh breeze
S→WSW
6-17
mph
Moderate breeze
SSW
9-17
mph
Moderate breeze
W
10-19
mph
Fresh breeze
SW
10-19
mph
Fresh breeze
S
10-17
mph
Moderate breeze
SSW
8
mph
Gentle breeze
SW→W
10-19
mph
Fresh breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

Tonight
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind south around 8 mph, gusting to 19 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Mild. High 21°. UV index up to 5. Wind south around 6 mph, gusting to 17 mph, in the morning, becoming west-southwest in the afternoon.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Light to moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind south-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Sunday
 
Mostly cloudy to 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. High 16°. UV index up to 5. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind southwest around 10 mph, gusting to 19 mph.
Monday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 14°. Wind south around 10 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely. Low 12°. Wind south-southwest around 8 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming partly to 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. High 16°. UV index up to 4. Wind southwest around 10 mph, gusting to 19 mph, in the morning, becoming west in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly 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. Low 11°. Wind west around 9 mph, gusting to 18 mph, in the evening, becoming southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. Rain likely. Breezy. High 14°. UV index up to 4. Wind southwest around 11 mph, gusting to 19 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday night
 
Fair to partly cloudy. Windy. Low 9°. Wind southwest around 20 mph, gusting to 30 mph.
Thursday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Windy. High 14°. UV index up to 5. Wind southwest around 21 mph, gusting to 31 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 11°. Wind south-southwest around 12 mph, gusting to 24 mph, in the evening, becoming south-southeast after midnight. 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.