WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 10-Aug-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Sunny
Mostly Sunny
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
<2 mm. <2 mm. <2 mm.
Low: 11° High: 24° Low: 14° High: 26° Low: 15° High: 28° Low: 14° High: 20° Low: 13° High: 17°
                   
E→SSE
2
mph
Light air
SSE
5
mph
Light breeze
NNE→SSE
3
mph
Light air
SSE→ENE
4
mph
Light breeze
E→SE
3
mph
Light air
SE→WNW
5
mph
Light breeze
WSW
6
mph
Light breeze
WNW
8-17
mph
Moderate breeze
NW
6-15
mph
Moderate breeze
NW
7-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind east around 2 mph in the evening, becoming south-southeast after midnight.
Tuesday
 
Partly cloudy. Warm. High 24°. UV index up to 5. Wind south-southeast around 5 mph.
Tuesday night
 
Partly cloudy. Low 14°. Wind north-northeast around 3 mph in the evening, becoming south-southeast after midnight.
Wednesday
 
Partly to mostly cloudy. Unusually warm. High 26°. UV index up to 5. Wind south-southeast around 4 mph in the morning, becoming east-northeast in the afternoon.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 15°. Wind east around 3 mph in the evening, becoming southeast after midnight.
Thursday
 
Partly to mostly sunny. Near record warmth. High 28°. UV index up to 5. Wind southeast around 5 mph in the morning, becoming west-northwest in the afternoon.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind west-southwest around 6 mph.
Friday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 20°. UV index up to 4. Wind west-northwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 13°. Wind northwest around 6 mph, gusting to 15 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind northwest around 7 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind northwest around 2 mph.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 19°. UV index up to 3. Wind south-southeast around 4 mph, gusting to 16 mph, in the morning, becoming northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 12°. Wind north-northwest around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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