WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 27-Apr-2026 06:00 pm
 
Tonight

Fog late
Fog late
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Clear
Clear
Wednesday

Sunny
Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Sunny
Mostly Sunny
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Cloudy
Cloudy
<2 mm. <2 mm.
Low: 6° High: 11° Low: 5° High: 17° Low: 9° High: 21° Low: 9° High: 17°
               
NW→NE
5-20
mph
Fresh breeze
NE
10-18
mph
Moderate breeze
NE→E
8-18
mph
Moderate breeze
E
9-20→14-25
mph
Strong breeze
E
14-25
mph
Strong breeze
ESE
14-25
mph
Strong breeze
ESE
10-20
mph
Fresh breeze
SE→W
5
mph
Light breeze
UV: 2
 Low 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly cloudy. Patchy light fog after midnight. Low 6°. Wind northwest around 5 mph, gusting to 20 mph, in the evening, becoming northeast after midnight.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 11°. UV index up to 2. Wind northeast around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair in the evening, becoming clear after midnight. Cool. Low 5°. Wind northeast around 8 mph, gusting to 18 mph, in the evening, becoming east after midnight.
Wednesday
 
Sunny. Breezy and mild. High 17°. UV index up to 4. Wind east around 9 mph, gusting to 20 mph, in the morning, becoming 14 mph, gusting to 25 mph, in the afternoon.
Wednesday night
 
Fair in the evening, becoming partly cloudy after midnight. Breezy. Low 9°. Wind east around 14 mph, gusting to 25 mph.
Thursday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Breezy and unusually warm. High 21°. UV index up to 4. Wind east-southeast around 14 mph, gusting to 25 mph.
Thursday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 9°. Wind east-southeast around 10 mph, gusting to 20 mph.
Friday
 
Cloudy. A slight chance of rain in the afternoon. Mild. High 17°. UV index up to 3. Wind southeast around 5 mph in the morning, becoming west in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 9°. Wind west-southwest around 4 mph in the evening, becoming south-southwest after midnight.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain. High 13°. Wind south-southwest around 4 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Saturday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 8°. Wind south-southwest around 5 mph.
Sunday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 15°. UV index up to 4. Wind south-southwest around 3 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely. Low 9°. Wind west-northwest around 3 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.

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