WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 21-Mar-2026 06:00 am
 
Today

Mostly Sunny
Mostly Sunny
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Rain likely
Rain likely
Tuesday
night
Rain and Snow
Cold!
Rain and Snow
Cold!
<5 mm. 5 mm. 5 mm.
High: 17° Low: 6° High: 14° Low: 4° High: 11° Low: 7° High: 10° Low: 2°
              WCh: -4°
SW→NNE
2
mph
Light air
SSW
2
mph
Light air
WSW
4→8-17
mph
Moderate breeze
NW
7-17
mph
Moderate breeze
SE
2
mph
Light air
S
8-21→17-24
mph
Fresh breeze
S→WSW
19-29
mph
Strong breeze
W
21-30→26-37
mph
Near gale
UV: 2
 Low 
UV: 2
 Low 

 

Today
 
Mostly sunny in the morning, becoming sunny in the afternoon. Mild. High 17°. UV index up to 2. Wind southwest around 2 mph in the morning, becoming north-northeast in the afternoon.
Tonight
 
Clear in the evening, becoming fair to partly cloudy after midnight. Low 6°. Wind south-southwest around 2 mph.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 14°. Wind west-southwest around 4 mph in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 4°. Wind northwest around 7 mph, gusting to 17 mph.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 11°. UV index up to 2. Wind southeast around 2 mph.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Breezy. Low 7°. Wind south around 8 mph, gusting to 21 mph, in the evening, becoming 17 mph, gusting to 24 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Windy. High 10°. Wind south around 19 mph, gusting to 29 mph, in the morning, becoming west-southwest in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a chance of a mix of rain and snow after midnight. Windy and cold. Low 2°. Wind chill ranging from -4 to 2. Wind west around 21 mph, gusting to 30 mph, in the evening, becoming 26 mph, gusting to 37 mph, after midnight. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly around 5 mm. No snow accumulation expected.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of a mix of rain and snow in the morning, then a slight chance of rain in the afternoon. Very windy and cold. High 4°. Wind chill ranging from -5 to -3. UV index up to 2. Wind west around 28 mph, gusting to 37 mph, in the morning, becoming 24 mph, gusting to 34 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation (liquid equivalent) mostly between 2 and 5 mm. No snow accumulation expected.
Wednesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Windy and cold. Low 3°. Wind chill as low as -2. Wind west-northwest around 21 mph, gusting to 30 mph, in the evening, becoming 16 mph, gusting to 25 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 6°. Wind chill ranging from -2 to 3. UV index up to 2. Wind northwest around 13 mph, gusting to 22 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 4°. Wind northwest around 6 mph in the evening, becoming west-southwest after midnight.
Friday
 
Dense overcast. A chance of rain. High 9°. UV index up to 2. Wind west-southwest around 8 mph, gusting to 15 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Dense overcast. A chance of rain. Low 6°. Wind south-southwest around 7 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.

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