WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 21-Jun-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Low: 16° High: 27° Low: 17° High: 28° Low: 15° High: 29° Low: 16° High: 32°
               
NNW→SSE
2→6
mph
Light breeze
S
6-15
mph
Moderate breeze
SSW→SSE
3
mph
Light air
S→NNW
4-15
mph
Moderate breeze
NW
calm

Calm
NE
3
mph
Light air
ENE→SE
3
mph
Light air
SE
10-18
mph
Moderate breeze
UV: 5
 Medium 
UV: 6
 High 
UV: 7
 High 
UV: 5
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Mild. Low 16°. Wind north-northwest around 2 mph in the evening, becoming south-southeast around 6 mph after midnight.
Monday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Near record warmth. High 27°. UV index up to 5. Wind south around 6 mph, gusting to 15 mph.
Monday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Mild. Low 17°. Wind south-southwest around 3 mph in the evening, becoming south-southeast after midnight.
Tuesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Near record warmth. High 28°. UV index up to 6. Wind south around 4 mph, gusting to 15 mph, in the morning, becoming north-northwest in the afternoon.
Tuesday night
 
Fair to partly cloudy. Low 15°. Wind northwest near calm.
Wednesday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Near record warmth. High 29°. UV index up to 7. Wind northeast around 3 mph.
Wednesday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 16°. Wind east-northeast around 3 mph in the evening, becoming southeast after midnight.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Near record warmth. High 32°. UV index up to 5. Wind southeast around 10 mph, gusting to 18 mph.
Thursday night
 
Partly cloudy. Breezy and mild. Low 18°. Wind south-southeast around 13 mph, gusting to 20 mph.
Friday
 
Partly to mostly cloudy. Breezy with near record warmth. High 27°. UV index up to 5. Wind south-southwest around 14 mph, gusting to 24 mph.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 16°. Wind south-southwest around 6 mph, gusting to 20 mph.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Mild. High 22°. UV index up to 5. Wind south-southwest around 8 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 14°. Wind southwest around 7 mph, gusting to 17 mph.

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