WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 17-Jul-2026 09:00 pm
 
Tonight

Fog late
Fog late
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Sunny
Mostly Sunny
Monday
night
Clear
Clear
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
<2 mm. 2 mm. <2 mm. <5 mm.
Low: 12° High: 20° Low: 13° High: 22° Low: 11° High: 22° Low: 11° High: 20° Low: 13° High: 16°
                   
W
3
mph
Light air
NW
8-19
mph
Fresh breeze
NNW→ESE
4-16
mph
Moderate breeze
E→NNE
6-17
mph
Moderate breeze
N→WNW
3
mph
Light air
WNW
7-17
mph
Moderate breeze
NW
4-17
mph
Moderate breeze
NNW
6-15→10-19
mph
Fresh breeze
NNW
12-20
mph
Fresh breeze
NW
12-20
mph
Fresh breeze
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 3
 Medium 

 

Tonight
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 12°. Wind west around 3 mph.
Saturday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. High 20°. UV index up to 5. Wind northwest around 8 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind north-northwest around 4 mph, gusting to 16 mph, in the evening, becoming east-southeast after midnight.
Sunday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. Mild. High 22°. UV index up to 6. Wind east around 6 mph, gusting to 17 mph, in the morning, becoming north-northeast in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 11°. Wind north around 3 mph in the evening, becoming west-northwest after midnight.
Monday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Mild. High 22°. UV index up to 6. Wind west-northwest around 7 mph, gusting to 17 mph.
Monday night
 
Clear in the evening, becoming fair after midnight. Low 11°. Wind northwest around 4 mph, gusting to 17 mph.
Tuesday
 
Partly 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 5. Wind north-northwest around 6 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A chance of rain. Breezy. Low 13°. Wind north-northwest around 12 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy. A chance of rain. Breezy. High 16°. UV index up to 3. Wind northwest around 12 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind northwest around 8 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Mild. High 21°. UV index up to 6. Wind northwest around 7 mph, gusting to 17 mph.
Thursday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind northwest around 5 mph, gusting to 16 mph.

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