WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 29-Jun-2026 06:00 am
 
Today

Mostly Cloudy
Mostly Cloudy
Tonight

Cloudy
Cloudy
Tuesday

Rain likely
Rain likely
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. 5 mm. <2 mm. 2 mm.
High: 21° Low: 15° High: 17° Low: 12° High: 19° Low: 12° High: 19° Low: 13°
               
W
9-18
mph
Moderate breeze
SW→SSE
6-18
mph
Moderate breeze
S→SW
9-19
mph
Fresh breeze
WSW→WNW
9-18
mph
Moderate breeze
WNW
10-20
mph
Fresh breeze
WSW
16-24
mph
Fresh breeze
WNW
14-21→10-21
mph
Fresh breeze
SW
3
mph
Light air
UV: 5
 Medium 
UV: 4
 Medium 
UV: 6
 High 
UV: 5
 Medium 

 

Today
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Mild. High 21°. UV index up to 5. Wind west around 9 mph, gusting to 18 mph.
Tonight
 
Cloudy. A slight chance of rain. Low 15°. Wind southwest around 6 mph, gusting to 18 mph, in the evening, becoming south-southeast after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Rain likely. High 17°. UV index up to 4. Wind south around 9 mph, gusting to 19 mph, in the morning, becoming southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind west-southwest around 9 mph, gusting to 18 mph, in the evening, becoming west-northwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 19°. UV index up to 6. Wind west-northwest around 10 mph, gusting to 20 mph.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 12°. Wind west-southwest around 16 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 19°. UV index up to 5. Wind west-northwest around 14 mph, gusting to 21 mph, in the morning, becoming 10 mph, gusting to 21 mph, in the afternoon.
Thursday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 13°. Wind southwest around 3 mph.
Friday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 18°. UV index up to 5. Wind south-southeast around 2 mph in the morning, becoming west around 5 mph, gusting to 15 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 11°. Wind west around 6 mph, gusting to 15 mph.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Mild. High 21°. UV index up to 4. Wind west-southwest around 6 mph in the morning, becoming 11 mph, gusting to 21 mph, in the afternoon.
Saturday night
 
Clear. Low 12°. Wind west-southwest around 9 mph, gusting to 20 mph.
Sunday
 
Sunny. Unusually warm. High 25°. UV index up to 7. Wind west-southwest around 8 mph, gusting to 17 mph.
Sunday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind west around 4 mph in the evening, becoming south-southeast after midnight.

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