WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 30-Apr-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Friday

Rain likely
Rain likely
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Chance rain
Chance rain
Sunday
night
Fog
Fog
Monday

Mostly Cloudy
Mostly Cloudy
5 mm. 15 mm. <2 mm. 10 mm. 5 mm. <2 mm. <2 mm.
Low: 10° High: 15° Low: 10° High: 16° Low: 11° High: 12° Low: 9° High: 13°
               
SE
9-16
mph
Moderate breeze
SE→W
3
mph
Light air
SW
6
mph
Light breeze
SSW→N
4
mph
Light breeze
NNE
calm

Calm
NNE
2→5
mph
Light breeze
NNE→E
3
mph
Light air
NNE
2→6
mph
Light breeze
UV: 2
 Low 
UV: 3
 Medium 
UV: 2
 Low 
UV: 3
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain after midnight. Low 10°. Wind southeast around 9 mph, gusting to 16 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Friday
 
Cloudy. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. High 15°. UV index up to 2. Wind southeast around 3 mph in the morning, becoming west in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Friday night
 
Partly cloudy. Low 10°. Wind southwest around 6 mph.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. High 16°. UV index up to 3. Wind south-southwest around 4 mph in the morning, becoming north in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. Patchy light fog. Rain very likely. Low 11°. Wind north-northeast near calm. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Sunday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 12°. UV index up to 2. Wind north-northeast around 2 mph in the morning, becoming 5 mph in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A slight chance of rain. Low 9°. Wind north-northeast around 3 mph in the evening, becoming east after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 13°. UV index up to 3. Wind north-northeast around 2 mph in the morning, becoming 6 mph in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 7°. Wind northwest around 4 mph.
Tuesday
 
Mostly cloudy to cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 10°. UV index up to 3. Wind northwest around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Mostly cloudy to cloudy. A slight chance of rain. Low 6°. Wind northwest around 10 mph, gusting to 18 mph, in the evening, becoming north-northeast around 4 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 9°. UV index up to 3. Wind east-southeast around 6 mph, gusting to 17 mph, in the morning, becoming east-northeast in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 6°. Wind northwest around 4 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.

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