WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 31-Aug-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Chance rain
Chance rain
Wednesday

Rain likely
Rain likely
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Rain likely
Rain likely
Friday

Chance rain
Chance rain
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
2 mm. 7 mm. 2 mm. <2 mm. 10 mm. 2 mm. <2 mm.
Low: 12° High: 18° Low: 14° High: 17° Low: 15° High: 19° Low: 15° High: 18° Low: 12° High: 18°
                   
SW
6
mph
Light breeze
SSW
11-22
mph
Fresh breeze
SSW
10-19
mph
Fresh breeze
SSW
8-15→11-19
mph
Fresh breeze
SW
12-18
mph
Moderate breeze
SW
12-20
mph
Fresh breeze
WSW
13-24→19-27
mph
Strong breeze
WNW
10-19
mph
Fresh breeze
WNW
8-17
mph
Moderate breeze
WNW
5
mph
Light breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 

 

Tonight
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind southwest around 6 mph.
Tuesday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Breezy. High 18°. UV index up to 2. Wind south-southwest around 11 mph, gusting to 22 mph.
Tuesday night
 
Cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind south-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. Rain likely. High 17°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 15 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Wednesday night
 
Mostly cloudy to cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 15°. Wind southwest around 12 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 19°. UV index up to 3. Wind southwest around 12 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then rain likely after midnight. Windy. Low 15°. Wind west-southwest around 13 mph, gusting to 24 mph, in the evening, becoming 19 mph, gusting to 27 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Friday
 
Partly to mostly 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 18°. UV index up to 3. Wind west-northwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Partly to mostly cloudy. Low 12°. Wind west-northwest around 8 mph, gusting to 17 mph.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the afternoon. High 18°. UV index up to 4. Wind west-northwest around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy. Light to moderate fog in the evening, then moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 12°. Wind east-southeast around 4 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Moderate fog in the morning, then light to moderate fog in the afternoon. A chance of rain in the morning. High 18°. UV index up to 3. Wind east-southeast around 5 mph in the morning, becoming southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Sunday night
 
Mostly cloudy. A chance of rain. Low 15°. Wind south-southwest around 6 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.