WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 24-May-2026 09:00 pm
 
Tonight

Mostly Clear
Mostly Clear
Monday

Sunny
Sunny
Monday
night
Mostly Clear
Mostly Clear
Tuesday

Sunny
Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Thunder storm
Thunder storm
Thursday

Thunder storm
Thunder storm
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
<5 mm. 10 mm. <2 mm.
Low: 13° High: 28° Low: 13° High: 26° Low: 13° High: 27° Low: 14° High: 23° Low: 12° High: 19°
                   
ESE→S
3
mph
Light air
SE→N
4
mph
Light breeze
E→SSE
calm

Calm
NNE
3
mph
Light air
NNW→SSE
3
mph
Light air
SSE
11-20
mph
Fresh breeze
SSE
11-19
mph
Fresh breeze
SSE→SSW
9-21
mph
Fresh breeze
SW
14-23
mph
Fresh breeze
W
11-21
mph
Fresh breeze
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 

 

Tonight
 
Mostly clear. Low 13°. Wind east-southeast around 3 mph in the evening, becoming south after midnight.
Monday
 
Sunny. Near record warmth. High 28°. UV index up to 6. Wind southeast around 4 mph in the morning, becoming north in the afternoon.
Monday night
 
Mostly clear. Low 13°. Wind east near calm in the evening, becoming south-southeast after midnight.
Tuesday
 
Sunny. Near record warmth. High 26°. UV index up to 6. Wind north-northeast around 3 mph.
Tuesday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Low 13°. Wind north-northwest around 3 mph in the evening, becoming south-southeast after midnight.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy with near record warmth. High 27°. UV index up to 5. Wind south-southeast around 11 mph, gusting to 20 mph.
Wednesday night
 
Partly cloudy. A chance of rain after midnight. Scattered thundershowers possible. Breezy. Low 14°. Wind south-southeast around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Mostly cloudy. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. Unusually warm. High 23°. UV index up to 4. Wind south-southeast around 9 mph, gusting to 21 mph, in the morning, becoming south-southwest in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Breezy. Low 12°. Wind southwest around 14 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Breezy and mild. High 19°. UV index up to 5. Wind west around 11 mph, gusting to 21 mph.
Friday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind west around 5 mph, gusting to 15 mph, in the evening, becoming south after midnight.
Saturday
 
Mostly cloudy. Mild. High 20°. UV index up to 4. Wind south-southwest around 6 mph, gusting to 20 mph, in the morning, becoming west-northwest in the afternoon.
Saturday night
 
Partly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 11°. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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