WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 02-Sep-2026 06:00 am
 
Today

Rain likely
Rain likely
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
Thursday
night
Rain likely
Rain likely
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
10 mm. <2 mm. 2 mm. 15 mm. <2 mm.
High: 18° Low: 15° High: 18° Low: 14° High: 17° Low: 11° High: 17° Low: 11°
               
SSW
8-16→12-20
mph
Fresh breeze
SW
12-19
mph
Fresh breeze
SW
12-22
mph
Fresh breeze
WSW
8-19
mph
Fresh breeze
WSW
13-24→17-25
mph
Strong breeze
WSW
14-23→10-18
mph
Fresh breeze
WSW
7-16
mph
Moderate breeze
SSE
5
mph
Light breeze
UV: 2
 Low 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Today
 
Cloudy. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 16 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tonight
 
Mostly cloudy to cloudy. A chance of rain. Breezy. Low 15°. Wind southwest around 12 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 18°. UV index up to 3. Wind southwest around 12 mph, gusting to 22 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Dense overcast. Light to moderate fog. Rain likely in the evening, then a chance of rain after midnight. Low 14°. Wind west-southwest around 8 mph, gusting to 19 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Friday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Breezy. High 17°. UV index up to 3. Wind west-southwest around 13 mph, gusting to 24 mph, in the morning, becoming 17 mph, gusting to 25 mph, in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Breezy. Low 11°. Wind west-southwest around 14 mph, gusting to 23 mph, in the evening, becoming 10 mph, gusting to 18 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy. Patchy light fog in the morning. High 17°. UV index up to 3. Wind west-southwest around 7 mph, gusting to 16 mph.
Saturday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind south-southeast around 5 mph.
Sunday
 
Mostly cloudy to cloudy. High 19°. UV index up to 3. Wind south-southeast around 7 mph.
Sunday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 13°. Wind southwest around 10 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy to 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. Breezy. High 15°. UV index up to 2. Wind west-southwest around 10 mph, gusting to 20 mph, in the morning, becoming 17 mph, gusting to 28 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Monday night
 
Partly to mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Windy. Low 12°. Wind southwest around 23 mph, gusting to 34 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Very windy and cool. High 13°. Wind chill around 9. UV index up to 2. Wind southwest around 25 mph, gusting to 37 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Very windy and cool. Low 10°. Wind chill as low as 6. Wind west around 28 mph, gusting to 40 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.

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