WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 24-Sep-2026 06:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Fog late
Fog late
Sunday

Chance rain
Chance rain
Sunday
night
Fog
Fog
<2 mm. <5 mm. <5 mm. <2 mm.
High: 20° Low: 13° High: 16° Low: 9° High: 16° Low: 9° High: 14° Low: 11°
               
S
8-17
mph
Moderate breeze
S
5
mph
Light breeze
WNW
7-16→4
mph
Moderate breeze
SSW
4→9-15
mph
Moderate breeze
SSW
10-18
mph
Moderate breeze
SSW
9-16
mph
Moderate breeze
S
8-18
mph
Moderate breeze
W
7-16
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 

 

Today
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Mild. High 20°. UV index up to 2. Wind south around 8 mph, gusting to 17 mph.
Tonight
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind south around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 16°. Wind west-northwest around 7 mph, gusting to 16 mph, in the morning, becoming 4 mph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Mostly cloudy in the evening, becoming mostly clear after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. Low 9°. Wind south-southwest around 4 mph in the evening, becoming 9 mph, gusting to 15 mph, after midnight.
Saturday
 
Partly to mostly sunny. Patchy light fog in the morning. High 16°. UV index up to 2. Wind south-southwest around 10 mph, gusting to 18 mph.
Saturday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 9°. Wind south-southwest around 9 mph, gusting to 16 mph.
Sunday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog. A chance of rain. High 14°. Wind south around 8 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Cloudy. Patchy light fog in the evening. A slight chance of rain. Low 11°. Wind west around 7 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy in the morning, becoming sunny in the afternoon. High 16°. UV index up to 2. Wind southwest around 4 mph in the morning, becoming east in the afternoon.
Monday night
 
Fair to partly cloudy in the evening, becoming dense overcast after midnight. Rain likely after midnight. Low 10°. Wind east-northeast around 8 mph, gusting to 16 mph, in the evening, becoming 13 mph, gusting to 19 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Tuesday
 
Dense overcast. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 16°. Wind east-southeast around 13 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Dense overcast. Patchy light fog after midnight. Rain very likely. Windy. Low 14°. Wind southeast around 18 mph, gusting to 27 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 16°. UV index up to 2. Wind south around 16 mph, gusting to 25 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 11°. Wind south around 12 mph, gusting to 22 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.