WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 01-Aug-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
<2 mm. <2 mm. 10 mm. <2 mm. 2 mm.
High: 19° Low: 10° High: 20° Low: 13° High: 21° Low: 16° High: 22° Low: 15°
               
W
10-20
mph
Fresh breeze
WSW
5-16
mph
Moderate breeze
SE→ENE
4→7-15
mph
Moderate breeze
ENE→ESE
5
mph
Light breeze
SE
10-16→7
mph
Moderate breeze
ESE
8-15
mph
Moderate breeze
S
7-16
mph
Moderate breeze
SSW
8-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Partly to mostly cloudy. High 19°. UV index up to 5. Wind west around 10 mph, gusting to 20 mph.
Tonight
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Cool. Low 10°. Wind west-southwest around 5 mph, gusting to 16 mph.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 20°. UV index up to 5. Wind southeast around 4 mph in the morning, becoming east-northeast around 7 mph, gusting to 15 mph, in the afternoon.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 13°. Wind east-northeast around 5 mph in the evening, becoming east-southeast after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 21°. UV index up to 3. Wind southeast around 10 mph, gusting to 16 mph, in the morning, becoming 7 mph in the afternoon. 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. Light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 16°. Wind east-southeast around 8 mph, gusting to 15 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Mild. High 22°. UV index up to 3. Wind south around 7 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy. Light to moderate fog after midnight. A chance of rain. Low 15°. Wind south-southwest around 8 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 19°. UV index up to 5. Wind west-southwest around 11 mph, gusting to 23 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Windy. Low 12°. Wind west-southwest around 16 mph, gusting to 25 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 16°. UV index up to 4. Wind west around 15 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west-northwest around 8 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight.
Friday
 
Sunny. Patchy light fog in the morning. High 19°. UV index up to 5. Wind west around 6 mph, gusting to 15 mph.
Friday night
 
Mostly clear in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west-southwest around 4 mph.

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