WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 05-Sep-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
Monday

Fog a.m.
Fog a.m.
Monday
night
Chance rain
Chance rain
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
<5 mm. 7 mm. <5 mm. <5 mm. <5 mm. 2 mm. <2 mm. 2 mm. <2 mm.
Low: 13° High: 20° Low: 14° High: 17° Low: 11° High: 14° Low: 10° High: 13° Low: 10° High: 16°
                   
S
6
mph
Light breeze
SSE
8-19
mph
Fresh breeze
SSW→W
10-19
mph
Fresh breeze
WSW
9-19→15-25
mph
Strong breeze
WSW
15-23
mph
Fresh breeze
WSW
17-26
mph
Strong breeze
WNW
18-27
mph
Strong breeze
WNW
17-25→14-24
mph
Strong breeze
WNW→WSW
6-17
mph
Moderate breeze
WSW
7-15→11-20
mph
Fresh breeze
UV: 3
 Medium 
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 
UV: 2
 Low 

 

Tonight
 
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 13°. Wind south around 6 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Rain likely. High 20°. UV index up to 3. Wind south-southeast around 8 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Sunday night
 
Cloudy. Patchy light fog. A chance of rain. Low 14°. Wind south-southwest around 10 mph, gusting to 19 mph, in the evening, becoming west after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. Breezy. High 17°. UV index up to 2. Wind west-southwest around 9 mph, gusting to 19 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon.
Monday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 11°. Wind west-southwest around 15 mph, gusting to 23 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Windy. High 14°. UV index up to 2. Wind west-southwest around 17 mph, gusting to 26 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Partly to mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Windy and cool. Low 10°. Wind west-northwest around 18 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Partly cloudy. A chance of rain. Breezy. High 13°. UV index up to 3. Wind west-northwest around 17 mph, gusting to 25 mph, in the morning, becoming 14 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 10°. Wind west-northwest around 6 mph, gusting to 17 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 16°. UV index up to 2. Wind west-southwest around 7 mph, gusting to 15 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Dense overcast. Rain likely. Breezy. Low 12°. Wind west-southwest around 13 mph, gusting to 20 mph, in the evening, becoming 16 mph, gusting to 23 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 14°. UV index up to 3. Wind west-northwest around 18 mph, gusting to 28 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Breezy. Low 11°. Wind west-northwest around 15 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.

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