WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 14-Aug-2026 09:00 pm
 
Tonight

Fog late
Fog late
Saturday

Chance rain
Chance rain
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Cloudy
Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
<2 mm. 2 mm. <2 mm. <2 mm. 5 mm. <2 mm. <2 mm. 2 mm.
Low: 13° High: 19° Low: 12° High: 19° Low: 15° High: 19° Low: 15° High: 17° Low: 12° High: 16°
                   
NW
5→8-16
mph
Moderate breeze
NW
8-17
mph
Moderate breeze
NW→WSW
3
mph
Light air
W→NW
4
mph
Light breeze
WSW→SSW
5
mph
Light breeze
W
6
mph
Light breeze
SW
10-20→15-21
mph
Fresh breeze
W
16-25
mph
Strong breeze
W
16-24
mph
Fresh breeze
W
16-24→13-22
mph
Fresh breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 13°. Wind northwest around 5 mph in the evening, becoming 8 mph, gusting to 16 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy. Patchy light fog in the morning. A chance of rain. High 19°. UV index up to 4. Wind northwest around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind northwest around 3 mph in the evening, becoming west-southwest after midnight.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 19°. UV index up to 3. Wind west around 4 mph in the morning, becoming northwest in the afternoon.
Sunday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 15°. Wind west-southwest around 5 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 19°. UV index up to 3. Wind west around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 15°. Wind southwest around 10 mph, gusting to 20 mph, in the evening, becoming 15 mph, gusting to 21 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Mostly cloudy to 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. Windy. High 17°. UV index up to 4. Wind west around 16 mph, gusting to 25 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Breezy. Low 12°. Wind west around 16 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 16°. UV index up to 3. Wind west around 16 mph, gusting to 24 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 11°. Wind west around 10 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 15°. UV index up to 3. Wind west-northwest around 14 mph, gusting to 25 mph, in the morning, becoming north in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Clear in the evening, becoming partly to mostly cloudy after midnight. Breezy and cool. Low 10°. Wind north-northwest around 14 mph, gusting to 23 mph, in the evening, becoming 9 mph, gusting to 18 mph, after midnight.

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