WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 01-Apr-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Chance rain
Chance rain
Sunday

Rain and Snow
Rain and Snow
<2 mm. <5 mm. <5 mm. <2 mm. <2 mm. 5 mm. <2 mm.
Low: 4° High: 10° Low: 5° High: 9° Low: 4° High: 12° Low: 4° High: 5°
            WCh: -1°  
NW
11-19
mph
Fresh breeze
NW→SW
5
mph
Light breeze
SW
10-22→16-24
mph
Fresh breeze
WSW
13-22→7-16
mph
Fresh breeze
WNW
9-18
mph
Moderate breeze
S
7-20→18-31
mph
Strong breeze
S→WSW
23-35
mph
Near gale
WSW
24-35
mph
Near gale
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Low 4°. Wind northwest around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. High 10°. UV index up to 2. Wind northwest around 5 mph in the morning, becoming southwest in the afternoon.
Thursday night
 
Dense overcast. A chance of rain. Breezy. Low 5°. Wind southwest around 10 mph, gusting to 22 mph, in the evening, becoming 16 mph, gusting to 24 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Cloudy. A chance of rain. High 9°. Wind west-southwest around 13 mph, gusting to 22 mph, in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening. Low 4°. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A chance of rain. Breezy. High 12°. UV index up to 2. Wind south around 7 mph, gusting to 20 mph, in the morning, becoming 18 mph, gusting to 31 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Windy and cold. Low 4°. Wind chill ranging from -1 to 7. Wind south around 23 mph, gusting to 35 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of a mix of rain and snow in the morning, then a slight chance of a mix of rain and snow in the afternoon. Windy and cold. High 5°. Wind chill around -2. UV index up to 2. Wind west-southwest around 24 mph, gusting to 35 mph. Chance of precipitation 40 percent. Precipitation (liquid equivalent) mostly less than 2 mm. No snow accumulation expected.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Cold. Low 3°, but temperatures rising after midnight. Wind chill ranging from -1 to 2. Wind west-southwest around 8 mph, gusting to 22 mph, in the evening, becoming south after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Breezy. High 12°. UV index up to 2. Wind south around 12 mph, gusting to 22 mph.
Monday night
 
Partly to mostly cloudy. A slight chance of rain after midnight. Breezy. Low 8°. Wind southeast around 15 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 11°. Wind south-southeast around 11 mph, gusting to 17 mph, in the morning, becoming 6 mph in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 7°. Wind west around 8 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.