WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 22-Aug-2026 06:00 am
 
Today

Fog a.m.
Fog a.m.
Tonight

Fog late
Fog late
Sunday

Chance rain
Chance rain
Sunday
night
Fog late
Fog late
Monday

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

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Chance rain
Chance rain
<2 mm. 2 mm. <2 mm. <2 mm. <2 mm. 2 mm.
High: 18° Low: 10° High: 17° Low: 10° High: 19° Low: 12° High: 17° Low: 13° High: 20° Low: 14°
                   
W
8-18
mph
Moderate breeze
NW
5-17
mph
Moderate breeze
NNW
4
mph
Light breeze
NE→SE
4
mph
Light breeze
SE
7-16→10-19
mph
Fresh breeze
E
9-18
mph
Moderate breeze
E
10-20
mph
Fresh breeze
E
11-18
mph
Moderate breeze
ESE→NNE
6→3
mph
Light breeze
E
3→7
mph
Light breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Today
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Patchy light fog in the morning. A chance of rain. High 18°. UV index up to 4. Wind west around 8 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Fair to partly cloudy. Patchy light fog after midnight. Low 10°. Wind northwest around 5 mph, gusting to 17 mph.
Sunday
 
Partly cloudy in the morning, becoming partly to mostly sunny 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 north-northwest around 4 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Fair. Patchy light fog after midnight. Cool. Low 10°. Wind northeast around 4 mph in the evening, becoming southeast after midnight.
Monday
 
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 19°. UV index up to 4. Wind southeast around 7 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind east around 9 mph, gusting to 18 mph.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain. High 17°. UV index up to 3. Wind east around 10 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Breezy. Low 13°. Wind east around 11 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy. A slight chance of rain in the afternoon. High 20°. UV index up to 3. Wind east-southeast around 6 mph in the morning, becoming north-northeast around 3 mph in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind east around 3 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 17°. UV index up to 2. Wind east-southeast around 13 mph, gusting to 21 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog. A chance of rain. Low 14°. Wind south-southeast around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 18°. UV index up to 4. Wind east-southeast around 6 mph, gusting to 16 mph, in the morning, becoming north-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Dense overcast in the evening, becoming mostly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 13°. Wind northwest around 10 mph, gusting to 18 mph, in the evening, becoming 14 mph, gusting to 23 mph, after midnight. 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.