WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 26-Sep-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Fog late
Fog late
Sunday

Chance rain
Chance rain
Sunday
night
Fog
Fog
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Mostly Cloudy
Mostly Cloudy
Tuesday
night
Chance rain
Chance rain
<5 mm. <2 mm. 5 mm.
High: 21° Low: 12° High: 16° Low: 9° High: 16° Low: 10° High: 19° Low: 16°
               
WSW
11-21
mph
Fresh breeze
SSW
7-16
mph
Moderate breeze
SSW
13-24
mph
Fresh breeze
WSW
5
mph
Light breeze
SSW→ESE
4
mph
Light breeze
SE
6
mph
Light breeze
SE
13-24
mph
Fresh breeze
SE
16-24
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Fair to partly cloudy. Mild. High 21°. UV index up to 2. Wind west-southwest around 11 mph, gusting to 21 mph.
Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind south-southwest around 7 mph, gusting to 16 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 16°. Wind south-southwest around 13 mph, gusting to 24 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. Low 9°. Wind west-southwest around 5 mph.
Monday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 16°. UV index up to 2. Wind south-southwest around 4 mph in the morning, becoming east-southeast in the afternoon.
Monday night
 
Fair to partly cloudy. Low 10°. Wind southeast around 6 mph.
Tuesday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the afternoon. Breezy and mild. High 19°. UV index up to 2. Wind southeast around 13 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Windy and mild. Low 16°. Wind southeast around 16 mph, gusting to 24 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Mild. High 18°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 18 mph, in the morning, becoming 12 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly cloudy. Patchy light fog. A chance of rain. Low 11°. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy. 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 15°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 15°. UV index up to 2. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 8°. Wind west around 7 mph, gusting to 17 mph.

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