WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 28-Aug-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Rain likely
Rain likely
Saturday
night
Chance rain
Chance rain
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
Monday

Rain likely
Rain likely
Monday
night
Cloudy
Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
10 mm. 2 mm. 5 mm. 2 mm. 5 mm. <2 mm. <2 mm.
Low: 15° High: 17° Low: 14° High: 18° Low: 13° High: 14° Low: 12° High: 16°
               
SW
7
mph
Light breeze
SSE→E
4
mph
Light breeze
NNW→WSW
5
mph
Light breeze
SSW
6
mph
Light breeze
SSW
9-19
mph
Fresh breeze
WSW
14-23
mph
Fresh breeze
WSW
9-20
mph
Fresh breeze
WSW
11-18
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming cloudy after midnight. Low 15°. Wind southwest around 7 mph.
Saturday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 17°, but temperatures falling in the afternoon. Wind south-southeast around 4 mph in the morning, becoming east in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Saturday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind north-northwest around 5 mph in the evening, becoming west-southwest after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Sunday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. Light to moderate fog. Rain likely. High 18°. UV index up to 2. Wind south-southwest around 6 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°. Wind south-southwest around 9 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 14°. UV index up to 2. Wind west-southwest around 14 mph, gusting to 23 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Low 12°. Wind west-southwest around 9 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 16°. UV index up to 3. Wind west-southwest around 11 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind west-southwest around 7 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy. High 17°. UV index up to 2. Wind southwest around 11 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 14°. Wind southwest around 15 mph, gusting to 23 mph, in the evening, becoming 12 mph, gusting to 19 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 19°. UV index up to 3. Wind southwest around 11 mph, gusting to 18 mph, in the morning, becoming 17 mph, gusting to 28 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Windy and cool. Low 10°. Wind west around 19 mph, gusting to 27 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.

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