WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 06-Aug-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Mostly Clear
Mostly Clear
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Chance rain
Chance rain
Monday

Fog a.m.
Fog a.m.
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <5 mm.
Low: 12° High: 18° Low: 11° High: 22° Low: 13° High: 22° Low: 13° High: 19° Low: 12° High: 24°
                   
SW
7
mph
Light breeze
WSW
7-17
mph
Moderate breeze
SW
5
mph
Light breeze
SSW
6-16
mph
Moderate breeze
SSW
5-16
mph
Moderate breeze
WSW
9-19
mph
Fresh breeze
WSW→NW
5-15
mph
Moderate breeze
NW
5
mph
Light breeze
NNW→SSE
3
mph
Light air
SSE
7-15
mph
Moderate breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 

 

Tonight
 
Partly to mostly cloudy. Low 12°. Wind southwest around 7 mph.
Friday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 18°. UV index up to 4. Wind west-southwest around 7 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly clear in the evening, becoming fair after midnight. Cool. Low 11°. Wind southwest around 5 mph.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 22°. UV index up to 4. Wind south-southwest around 6 mph, gusting to 16 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind south-southwest around 5 mph, gusting to 16 mph.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Mild. High 22°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy in the evening, becoming mostly 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 13°. Wind west-southwest around 5 mph, gusting to 15 mph, in the evening, becoming northwest after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. High 19°. UV index up to 4. Wind northwest around 5 mph.
Monday night
 
Partly cloudy. Low 12°. Wind north-northwest around 3 mph in the evening, becoming south-southeast after midnight.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 24°. UV index up to 5. Wind south-southeast around 7 mph, gusting to 15 mph.
Tuesday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind south around 2 mph in the evening, becoming 7 mph after midnight.
Wednesday
 
Partly to mostly cloudy. Unusually warm. High 26°. UV index up to 4. Wind south around 8 mph, gusting to 16 mph, in the morning, becoming west in the afternoon.
Wednesday night
 
Fair to partly cloudy. Low 12°. Wind west around 8 mph.

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