WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 17-Mar-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Low: 9° High: 17° Low: 7° High: 17° Low: 5° High: 14° Low: 5° High: 14°
               
S
12-32→4
mph
Near gale
SE
4
mph
Light breeze
SE
3
mph
Light air
E
3→7
mph
Light breeze
SSE
5
mph
Light breeze
SSE→NNE
3
mph
Light air
SW
calm

Calm
E→N
2
mph
Light air
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 9°. Wind south around 12 mph, gusting to 32 mph, in the evening, becoming 4 mph after midnight.
Wednesday
 
Partly to mostly cloudy. Mild. High 17°. UV index up to 2. Wind southeast around 4 mph.
Wednesday night
 
Partly cloudy. Low 7°. Wind southeast around 3 mph.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 17°. UV index up to 2. Wind east around 3 mph in the morning, becoming 7 mph in the afternoon.
Thursday night
 
Fair to partly cloudy. Low 5°. Wind south-southeast around 5 mph.
Friday
 
Partly to mostly cloudy. Mild. High 14°. UV index up to 2. Wind south-southeast around 3 mph in the morning, becoming north-northeast in the afternoon.
Friday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 5°. Wind southwest near calm.
Saturday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Mild. High 14°. UV index up to 2. Wind east around 2 mph in the morning, becoming north in the afternoon.
Saturday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Low 4°. Wind south around 2 mph.
Sunday
 
Partly to mostly sunny in the morning, becoming mostly cloudy to cloudy in the afternoon. High 13°. UV index up to 2. Wind southwest around 3 mph in the morning, becoming 8 mph, gusting to 18 mph, in the afternoon.
Sunday night
 
Dense overcast. A chance of rain after midnight. Breezy. Low 7°. Wind southwest around 9 mph, gusting to 20 mph, in the evening, becoming 15 mph, gusting to 24 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning. Windy. High 9°. UV index up to 2. Wind west around 20 mph, gusting to 30 mph, in the morning, becoming 13 mph, gusting to 29 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then rain likely after midnight. Breezy. Low 5°. Wind south-southwest around 7 mph, gusting to 16 mph, in the evening, becoming 17 mph, gusting to 28 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.

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