WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 25-May-2026 06:00 am
 
Today

Sunny
Sunny
Tonight

Mostly Clear
Mostly Clear
Tuesday

Sunny
Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Partly Cloudy
Partly Cloudy
10 mm. 10 mm.
High: 32° Low: 16° High: 30° Low: 15° High: 26° Low: 13° High: 20° Low: 13°
               
E→NNE
3
mph
Light air
ENE→SSE
calm

Calm
NNE
3
mph
Light air
NNW→ESE
3
mph
Light air
ESE
10-20
mph
Fresh breeze
ESE
11-20
mph
Fresh breeze
ESE→SW
9-15
mph
Moderate breeze
SSW
4→8
mph
Gentle breeze
UV: 7
 High 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 

 

Today
 
Sunny. Near record warmth. High 32°. UV index up to 7. Wind east around 3 mph in the morning, becoming north-northeast in the afternoon.
Tonight
 
Mostly clear. Mild. Low 16°. Wind east-northeast near calm in the evening, becoming south-southeast after midnight.
Tuesday
 
Sunny. Near record warmth. High 30°. UV index up to 6. Wind north-northeast around 3 mph.
Tuesday night
 
Clear in the evening, becoming partly cloudy after midnight. Mild. Low 15°. Wind north-northwest around 3 mph in the evening, becoming east-southeast after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Near record warmth. High 26°. UV index up to 6. Wind east-southeast around 10 mph, gusting to 20 mph.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain after midnight. Low 13°. Wind east-southeast around 11 mph, gusting to 20 mph. Chance of precipitation 60 percent. Precipitation mostly around 10 mm.
Thursday
 
Mostly cloudy. Patchy light fog in the morning. Rain likely. Mild. High 20°. UV index up to 4. Wind east-southeast around 9 mph, gusting to 15 mph, in the morning, becoming southwest in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind south-southwest around 4 mph in the evening, becoming 8 mph after midnight.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Mild. High 20°. UV index up to 6. Wind west-southwest around 8 mph, gusting to 16 mph.
Friday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 13°. Wind east around 3 mph in the evening, becoming 6 mph after midnight.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 17°. UV index up to 3. Wind south around 5 mph in the morning, becoming west around 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Breezy. Low 12°. Wind west-southwest around 12 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 18°. UV index up to 6. Wind southwest around 12 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 12°. Wind southwest around 12 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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