WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 19-Jul-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Clear
Clear
Tuesday

Mostly Sunny
Mostly Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm.
High: 21° Low: 12° High: 22° Low: 11° High: 23° Low: 13° High: 19° Low: 13°
               
NE
7-16
mph
Moderate breeze
NNW→WNW
4
mph
Light breeze
WNW
7-17
mph
Moderate breeze
WNW
4-16
mph
Moderate breeze
NW
4-15→9-19
mph
Fresh breeze
NW
9-19
mph
Fresh breeze
NW
10-19
mph
Fresh breeze
NW
5-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 

 

This afternoon
 
Fair to partly cloudy. High 21°. UV index up to 5. Wind northeast around 7 mph, gusting to 16 mph.
Tonight
 
Partly cloudy. Low 12°. Wind north-northwest around 4 mph in the evening, becoming west-northwest after midnight.
Monday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 22°. UV index up to 6. Wind west-northwest around 7 mph, gusting to 17 mph.
Monday night
 
Clear in the evening, becoming fair after midnight. Low 11°. Wind west-northwest around 4 mph, gusting to 16 mph.
Tuesday
 
Partly to mostly sunny. Warm. High 23°. UV index up to 6. Wind northwest around 4 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 19 mph, in the afternoon.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Low 13°. Wind northwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 19°. UV index up to 4. Wind northwest around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind northwest around 5 mph, gusting to 16 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 21°. UV index up to 6. Wind west-northwest around 5 mph, gusting to 16 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind west-northwest around 4 mph, gusting to 17 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 21°. UV index up to 6. Wind west-northwest around 8 mph, gusting to 18 mph.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 12°. Wind west around 9 mph, gusting to 17 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the afternoon. Mild. High 21°. UV index up to 5. Wind west around 4 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. Patchy light fog. Rain likely. Breezy. Low 12°. Wind west-southwest around 10 mph, gusting to 20 mph, in the evening, becoming 13 mph, gusting to 21 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.

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