WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 21-Jun-2026 03:00 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
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
<2 mm. 5 mm.
High: 19° Low: 14° High: 24° Low: 16° High: 27° Low: 16° High: 29° Low: 16°
               
NNE
6-17
mph
Moderate breeze
NW→SSE
2→5
mph
Light breeze
SSE→WSW
7→3
mph
Light breeze
S
3→7
mph
Light breeze
N
3
mph
Light air
NE→ESE
calm

Calm
E→N
4
mph
Light breeze
ESE
calm→8-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 6
 High 
UV: 7
 High 

 

This afternoon
 
Partly cloudy. High 19°. UV index up to 5. Wind north-northeast around 6 mph, gusting to 17 mph.
Tonight
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind northwest around 2 mph in the evening, becoming south-southeast around 5 mph after midnight.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Unusually warm. High 24°. UV index up to 5. Wind south-southeast around 7 mph in the morning, becoming west-southwest around 3 mph in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 16°. Wind south around 3 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Near record warmth. High 27°. UV index up to 6. Wind north around 3 mph.
Tuesday night
 
Partly cloudy. Mild. Low 16°. Wind northeast near calm in the evening, becoming east-southeast after midnight.
Wednesday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Near record warmth. High 29°. UV index up to 7. Wind east around 4 mph in the morning, becoming north in the afternoon.
Wednesday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 16°. Wind east-southeast near calm in the evening, becoming 8 mph, gusting to 16 mph, after midnight.
Thursday
 
Partly to mostly cloudy. Windy with near record warmth. High 31°. UV index up to 6. Wind east-southeast around 14 mph, gusting to 22 mph, in the morning, becoming 18 mph, gusting to 26 mph, in the afternoon.
Thursday night
 
Mostly cloudy. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Scattered thundershowers possible. Mild. Low 18°. Wind east-southeast around 14 mph, gusting to 26 mph, in the evening, becoming south-southwest around 6 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Mostly cloudy. A chance of rain. Unusually warm. High 25°. UV index up to 5. Wind south-southwest around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Mild. Low 16°. Wind south around 2 mph in the evening, becoming 5 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Mild. High 21°. UV index up to 4. Wind southwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming fair after midnight. Light to moderate fog after midnight. Low 12°. Wind west-southwest around 5 mph, gusting to 16 mph.

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