WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 27-Sep-2026 06:00 pm
 
Tonight

Fog
Fog
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Rain likely
Rain likely
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
<2 mm. 7 mm. 2 mm. <5 mm. <2 mm.
Low: 9° High: 16° Low: 10° High: 19° Low: 15° High: 20° Low: 14° High: 17°
               
WSW
5-16
mph
Moderate breeze
SSW→E
3
mph
Light air
SE
6
mph
Light breeze
SE
10-21→16-24
mph
Fresh breeze
SE
16-23
mph
Fresh breeze
S
12-22
mph
Fresh breeze
S
12-21→9-17
mph
Fresh breeze
SW
10-22→14-23
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Mostly cloudy. Patchy light fog in the evening. Low 9°. Wind west-southwest around 5 mph, gusting to 16 mph.
Monday
 
Partly cloudy. High 16°. UV index up to 2. Wind south-southwest around 3 mph in the morning, becoming east in the afternoon.
Monday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind southeast around 6 mph.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy and mild. High 19°. UV index up to 2. Wind southeast around 10 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Windy and mild. Low 15°. Wind southeast around 16 mph, gusting to 23 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and mild. High 20°. UV index up to 2. Wind south around 12 mph, gusting to 22 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Light to moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind south around 12 mph, gusting to 21 mph, in the evening, becoming 9 mph, gusting to 17 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Breezy. High 17°. UV index up to 2. Wind southwest around 10 mph, gusting to 22 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy. Rain likely. Breezy. Low 11°. Wind southwest around 14 mph, gusting to 24 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy. A chance of rain. High 16°. UV index up to 2. Wind southwest around 11 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 11°. Wind south around 6 mph.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 15°. Wind south around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy. Low 9°. Wind south around 3 mph.

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