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WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 01-Aug-2026 03:00 pm
 
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
Fog
Fog
10 mm. <2 mm. <2 mm.
High: 19° Low: 11° High: 20° Low: 14° High: 23° Low: 15° High: 21° Low: 15°
               
WNW
10-20
mph
Fresh breeze		 WSW
6-17
mph
Moderate breeze		 SE→ENE
5
mph
Light breeze		 E
7
mph
Light breeze		 ESE
9-18
mph
Moderate breeze		 ESE
9-17
mph
Moderate breeze		 SSE→SW
7
mph
Light breeze		 SW
8
mph
Gentle breeze
UV: 3
 Medium 		 UV: 3
 Medium 		 UV: 3
 Medium 		 UV: 3
 Medium 

 

This afternoon
 
 Partly to mostly cloudy. High 19°. UV index up to 3. Wind west-northwest around 10 mph, gusting to 20 mph.
Tonight
 
 Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west-southwest around 6 mph, gusting to 17 mph.
Sunday
 
 Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. High 20°. UV index up to 3. Wind southeast around 5 mph in the morning, becoming east-northeast in the afternoon.
Sunday night
 
 Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind east around 7 mph.
Monday
 
 Mostly cloudy in the morning, becoming cloudy in the afternoon. Warm. High 23°. UV index up to 3. Wind east-southeast around 9 mph, gusting to 18 mph.
Monday night
 
 Cloudy. Light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 15°. Wind east-southeast around 9 mph, gusting to 17 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday
 
 Dense overcast in the morning, becoming mostly cloudy to 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 21°. UV index up to 3. Wind south-southeast around 7 mph in the morning, becoming southwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
 Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A slight chance of rain. Low 15°. Wind southwest around 8 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
 Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Breezy. High 20°. UV index up to 5. Wind west-southwest around 10 mph, gusting to 21 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Wednesday night
 
 Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Windy and cool. Low 12°. Wind west around 18 mph, gusting to 28 mph.
Thursday
 
 Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Breezy. High 17°. UV index up to 5. Wind west around 16 mph, gusting to 26 mph.
Thursday night
 
 Partly cloudy in the evening, becoming mostly cloudy after midnight. Cool. Low 11°. Wind west-southwest around 9 mph, gusting to 20 mph.
Friday
 
 Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 18°. UV index up to 4. Wind west around 8 mph, gusting to 17 mph.
Friday night
 
 Clear in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 11°. Wind west around 6 mph in the evening, becoming southwest after midnight.

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