WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 18-Mar-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Sunny
Sunny
Saturday
night
Clear
Clear
Sunday

Partly Cloudy
Partly Cloudy
Low: 7° High: 17° Low: 6° High: 15° Low: 5° High: 16° Low: 5° High: 15°
               
SE
3
mph
Light air
SE
3→7
mph
Light breeze
SSE
4
mph
Light breeze
SSE→NNE
2
mph
Light air
WSW→S
calm

Calm
N
2
mph
Light air
S
3
mph
Light air
SW
7-17
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Fair to partly cloudy in the evening, becoming fair after midnight. Low 7°. Wind southeast around 3 mph.
Thursday
 
Mostly sunny in the morning, becoming partly cloudy in the afternoon. Mild. High 17°. UV index up to 2. Wind southeast around 3 mph in the morning, becoming 7 mph in the afternoon.
Thursday night
 
Fair to partly cloudy. Low 6°. Wind south-southeast around 4 mph.
Friday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 15°. UV index up to 2. Wind south-southeast around 2 mph in the morning, becoming north-northeast in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 5°. Wind west-southwest near calm in the evening, becoming south after midnight.
Saturday
 
Sunny. Mild. High 16°. UV index up to 2. Wind north around 2 mph.
Saturday night
 
Clear in the evening, becoming fair after midnight. Low 5°. Wind south around 3 mph.
Sunday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Relatively mild. High 15°. UV index up to 2. Wind southwest around 7 mph, gusting to 17 mph.
Sunday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 6°. Wind northwest around 7 mph, gusting to 16 mph, in the evening, becoming north-northeast around 3 mph after midnight.
Monday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain. High 9°. Wind south-southeast around 4 mph in the morning, becoming 7 mph, gusting to 15 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. A chance of rain. Breezy. Low 7°. Wind southwest around 13 mph, gusting to 23 mph, in the evening, becoming 18 mph, gusting to 27 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy. Patchy light fog in the afternoon. Rain likely. Breezy. High 10°. UV index up to 2. Wind southwest around 20 mph, gusting to 28 mph, in the morning, becoming 11 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 7°. Wind southwest around 8 mph, gusting to 15 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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