WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 28-Apr-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Clear
Mostly Clear
Wednesday

Sunny
Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Fog late
Fog late
Saturday

Chance rain
Chance rain
Saturday
night
Rain likely
Rain likely
<2 mm. <5 mm. 10 mm.
High: 13° Low: 6° High: 17° Low: 9° High: 21° Low: 10° High: 20° Low: 9° High: 14° Low: 9°
                   
ENE
11-20
mph
Fresh breeze
ENE
8-19
mph
Fresh breeze
ENE
10-22→15-25
mph
Strong breeze
E
12-24
mph
Fresh breeze
ESE
14-24
mph
Fresh breeze
ESE
8-19
mph
Fresh breeze
SSW→NNE
4
mph
Light breeze
SW
4→7
mph
Light breeze
SW→NNE
5
mph
Light breeze
NNE
3
mph
Light air
UV: 3
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Mostly cloudy. Breezy. High 13°. UV index up to 3. Wind east-northeast around 11 mph, gusting to 20 mph.
Tonight
 
Mostly clear in the evening, becoming clear after midnight. Low 6°. Wind east-northeast around 8 mph, gusting to 19 mph.
Wednesday
 
Sunny. Breezy and mild. High 17°. UV index up to 4. Wind east-northeast around 10 mph, gusting to 22 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon.
Wednesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 9°. Wind east around 12 mph, gusting to 24 mph.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy and unusually warm. High 21°. UV index up to 4. Wind east-southeast around 14 mph, gusting to 24 mph.
Thursday night
 
Partly cloudy. Low 10°. Wind east-southeast around 8 mph, gusting to 19 mph.
Friday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Mild. High 20°. UV index up to 4. Wind south-southwest around 4 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Low 9°. Wind southwest around 4 mph in the evening, becoming 7 mph after midnight.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 14°. UV index up to 3. Wind southwest around 5 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Dense overcast. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Low 9°. Wind north-northeast around 3 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 12°. UV index up to 2. Wind east-northeast around 8 mph, gusting to 16 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Dense overcast in the evening, becoming cloudy after midnight. A slight chance of rain in the evening. Low 10°. Wind east around 7 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 15°. UV index up to 3. Wind east-southeast around 12 mph, gusting to 21 mph.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Breezy. Low 8°. Wind east-southeast around 12 mph, gusting to 21 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.