WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 15-Aug-2026 06:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Sunday

Chance rain
Chance rain
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
Monday
night
Rain likely
Rain likely
Tuesday

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

Mostly Cloudy
Mostly Cloudy
2 mm. <2 mm. <2 mm. 10 mm. <2 mm. <2 mm. <2 mm.
Low: 10° High: 19° Low: 14° High: 19° Low: 14° High: 19° Low: 14° High: 15°
               
NW
2
mph
Light air
WSW→NW
2→6
mph
Light breeze
WSW
6
mph
Light breeze
WNW
7-16
mph
Moderate breeze
WSW
11-18
mph
Moderate breeze
WSW
12-22
mph
Fresh breeze
WSW
10-20
mph
Fresh breeze
W
14-24
mph
Fresh breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind northwest around 2 mph.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 19°. UV index up to 3. Wind west-southwest around 2 mph in the morning, becoming northwest around 6 mph in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Cloudy. Patchy light fog after midnight. A chance of rain. Low 14°. Wind west-southwest around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy. Patchy light fog in the morning. A slight chance of rain. High 19°. UV index up to 3. Wind west-northwest around 7 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 14°. Wind west-southwest around 11 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday
 
Cloudy. Patchy light fog in the morning. A chance of rain. Breezy. High 19°. UV index up to 3. Wind west-southwest around 12 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy. A slight chance of rain. Low 14°. Wind west-southwest around 10 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 15°. UV index up to 3. Wind west around 14 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Cool. Low 10°. Wind west around 11 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain. High 17°. UV index up to 4. Wind west around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind northwest around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 16°. UV index up to 4. Wind west around 4 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 11°. Wind east-northeast around 10 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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