WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 19-Jun-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm.
Low: 15° High: 20° Low: 11° High: 22° Low: 14° High: 24° Low: 14° High: 26°
               
SSW
14-30→9-17
mph
Strong breeze
WSW→NNW
7-17
mph
Moderate breeze
WNW→SE
calm

Calm
E→NNE
5
mph
Light breeze
N→S
3
mph
Light air
S→N
4
mph
Light breeze
N→SSW
calm

Calm
N
3
mph
Light air
UV: 4
 Medium 
UV: 6
 High 
UV: 5
 Medium 
UV: 7
 High 

 

Tonight
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Breezy. Low 15°. Wind south-southwest around 14 mph, gusting to 30 mph, in the evening, becoming 9 mph, gusting to 17 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 20°. UV index up to 4. Wind west-southwest around 7 mph, gusting to 17 mph, in the morning, becoming north-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly cloudy in the evening, becoming clear after midnight. Low 11°. Wind west-northwest near calm in the evening, becoming southeast after midnight.
Sunday
 
Partly cloudy. Mild. High 22°. UV index up to 6. Wind east around 5 mph in the morning, becoming north-northeast in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind north around 3 mph in the evening, becoming south after midnight.
Monday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Unusually warm. High 24°. UV index up to 5. Wind south around 4 mph in the morning, becoming north in the afternoon.
Monday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 14°. Wind north near calm in the evening, becoming south-southwest after midnight.
Tuesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A chance of rain. Unusually warm. High 26°. UV index up to 7. Wind north around 3 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 14°. Wind north around 3 mph in the evening, becoming east-northeast after midnight.
Wednesday
 
Sunny. Near record warmth. High 27°. UV index up to 7. Wind northeast around 4 mph.
Wednesday night
 
Fair in the evening, becoming mostly clear after midnight. Low 14°. Wind north-northeast around 3 mph in the evening, becoming east after midnight.
Thursday
 
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Near record warmth. High 30°. UV index up to 7. Wind east-southeast around 8 mph, gusting to 16 mph.
Thursday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 16°. Wind east-southeast around 11 mph, gusting to 16 mph.

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