WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 25-Apr-2026 06:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Sunny
Sunny
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
<2 mm. <2 mm. 5 mm.
Low: 7° High: 18° Low: 8° High: 15° Low: 7° High: 13° Low: 6° High: 15° Low: 8° High: 13°
                   
ESE→SSE
2→6
mph
Light breeze
SSE→NNW
5
mph
Light breeze
NNW→W
2
mph
Light air
NNW
7-17
mph
Moderate breeze
NNW→ENE
6-15
mph
Moderate breeze
ENE
10-19
mph
Fresh breeze
ENE
9-17
mph
Moderate breeze
ENE
14-25→18-28
mph
Strong breeze
ENE
18-28
mph
Strong breeze
ENE
17-25→13-24
mph
Strong breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 2
 Low 

 

Tonight
 
Fair in the evening, becoming mostly cloudy after midnight. Low 7°. Wind east-southeast around 2 mph in the evening, becoming south-southeast around 6 mph after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 18°. UV index up to 4. Wind south-southeast around 5 mph in the morning, becoming north-northwest in the afternoon.
Sunday night
 
Partly to mostly cloudy. Low 8°. Wind north-northwest around 2 mph in the evening, becoming west after midnight.
Monday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. High 15°. UV index up to 4. Wind north-northwest around 7 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 7°. Wind north-northwest around 6 mph, gusting to 15 mph, in the evening, becoming east-northeast after midnight.
Tuesday
 
Mostly cloudy. A slight chance of rain. High 13°. UV index up to 3. Wind east-northeast around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair to partly cloudy in the evening, becoming clear after midnight. Low 6°. Wind east-northeast around 9 mph, gusting to 17 mph.
Wednesday
 
Sunny. Breezy. High 15°. UV index up to 4. Wind east-northeast around 14 mph, gusting to 25 mph, in the morning, becoming 18 mph, gusting to 28 mph, in the afternoon.
Wednesday night
 
Clear in the evening, becoming mostly cloudy after midnight. Windy. Low 8°. Wind east-northeast around 18 mph, gusting to 28 mph.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain in the afternoon. Breezy. High 13°. UV index up to 2. Wind east-northeast around 17 mph, gusting to 25 mph, in the morning, becoming 13 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Thursday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely in the evening, then a chance of rain after midnight. Low 9°, but temperatures rising after midnight. Wind east-southeast around 10 mph, gusting to 17 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. High 15°. UV index up to 3. Wind south-southwest around 3 mph in the morning, becoming west-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 8°. Wind southwest around 6 mph in the evening, becoming 10 mph, gusting to 18 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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