WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 04-Sep-2026 06:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
Monday

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

Partly Cloudy
Partly Cloudy
Tuesday
night
Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
<2 mm. <2 mm. 30 mm. 2 mm. <2 mm. <2 mm. <2 mm. 2 mm. 2 mm.
Low: 11° High: 16° Low: 12° High: 19° Low: 14° High: 17° Low: 12° High: 14° Low: 10° High: 13°
                   
SW
15-23
mph
Fresh breeze
SW
10-18
mph
Moderate breeze
SSW
6
mph
Light breeze
S
5→8-16
mph
Moderate breeze
S→W
9-16
mph
Moderate breeze
WNW→SW
8-17→15-26
mph
Strong breeze
SW
15-26
mph
Strong breeze
SW
21-31
mph
Strong breeze
WSW
22-31
mph
Strong breeze
W
21-30
mph
Strong breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 2
 Low 

 

Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Breezy. Low 11°. Wind southwest around 15 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 3. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind south-southwest around 6 mph.
Sunday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog. Rain likely. High 19°. UV index up to 3. Wind south around 5 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 30 mm.
Sunday night
 
Mostly cloudy to cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind south around 9 mph, gusting to 16 mph, in the evening, becoming west after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 17°. UV index up to 3. Wind west-northwest around 8 mph, gusting to 17 mph, in the morning, becoming southwest around 15 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 12°. Wind southwest around 15 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly cloudy. A chance of rain. Windy. High 14°. UV index up to 3. Wind southwest around 21 mph, gusting to 31 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Windy and cool. Low 10°. Wind west-southwest around 22 mph, gusting to 31 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Windy and cool. High 13°. Wind chill around 8. UV index up to 2. Wind west around 21 mph, gusting to 30 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Low 11°. Wind west around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Dense overcast. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 14°. Wind southwest around 10 mph, gusting to 18 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 13°. Wind southwest around 15 mph, gusting to 25 mph. 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.