WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 15-Mar-2026 06:00 pm
 
Tonight

Rain and Snow
Cold!
Rain and Snow
Cold!
Monday

Rain and Snow
Cold!
Rain and Snow
Cold!
Monday
night
Chance rain
Chance rain
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Sunny
Sunny
<2 mm. <5 mm. <2 mm.
Low: 2° High: 6° Low: 6° High: 16° Low: 8° High: 15° Low: 6° High: 16°
WCh: -3° WCh: -3°            
W
17-26
mph
Strong breeze
W
18-25
mph
Strong breeze
SW
17-25
mph
Strong breeze
SW
18-30
mph
Strong breeze
SW
11-24→8-17
mph
Fresh breeze
SE→ENE
4
mph
Light breeze
E
4
mph
Light breeze
ESE
8-16
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a slight chance of a mix of rain and snow after midnight. Windy and cold. Low 2°. Wind chill ranging from -3 to 3. Wind west around 17 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than 2 mm. No snow accumulation expected.
Monday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of a mix of rain and snow in the morning, then a chance of rain in the afternoon. Windy and cold. High 6°. Wind chill ranging from -3 to 0. Wind west around 18 mph, gusting to 25 mph. Chance of precipitation 50 percent. Precipitation (liquid equivalent) mostly between 2 and 5 mm. No snow accumulation expected.
Monday night
 
Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Windy. Low 6°, but temperatures rising after midnight. Wind southwest around 17 mph, gusting to 25 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Windy and mild. High 16°. UV index up to 2. Wind southwest around 18 mph, gusting to 30 mph.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 8°. Wind southwest around 11 mph, gusting to 24 mph, in the evening, becoming 8 mph, gusting to 17 mph, after midnight.
Wednesday
 
Partly cloudy. Mild. High 15°. UV index up to 2. Wind southeast around 4 mph in the morning, becoming east-northeast in the afternoon.
Wednesday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Low 6°. Wind east around 4 mph.
Thursday
 
Sunny. Mild. High 16°. UV index up to 2. Wind east-southeast around 8 mph, gusting to 16 mph.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 6°. Wind east-southeast around 6 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Relatively mild. High 14°. UV index up to 2. Wind east-southeast around 8 mph, gusting to 17 mph.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 5°. Wind east-southeast around 8 mph, gusting to 16 mph.
Saturday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Breezy. High 11°. UV index up to 2. Wind east around 11 mph, gusting to 22 mph.
Saturday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Breezy. Low 4°. Wind northeast around 14 mph, gusting to 23 mph.

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