WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 26-Aug-2026 11:00 am
 
This
afternoon
Chance rain
Chance rain
Tonight

Fog
Fog
Thursday

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Chance rain
Chance rain
Saturday

Rain likely
Rain likely
Saturday
night
Fog late
Fog late
<5 mm. <2 mm. 15 mm. <5 mm. 2 mm. <2 mm. 10 mm. <2 mm.
High: 21° Low: 16° High: 19° Low: 16° High: 18° Low: 14° High: 16° Low: 14°
               
ESE
7-15
mph
Moderate breeze
SE
6
mph
Light breeze
ESE
8-16
mph
Moderate breeze
SSE
4
mph
Light breeze
SW→W
5→10-18
mph
Moderate breeze
WSW
8-17
mph
Moderate breeze
SSW→WSW
6
mph
Light breeze
NW→SW
4
mph
Light breeze
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Partly to mostly cloudy. A chance of rain. Mild. High 21°. UV index up to 3. Wind east-southeast around 7 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Tonight
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain. Low 16°. Wind southeast around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Light to moderate fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. High 19°, but temperatures falling in the afternoon. Wind east-southeast around 8 mph, gusting to 16 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Dense overcast in the evening, becoming cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Precipitation showery or intermittent. Low 16°. Wind south-southeast around 4 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 3. Wind southwest around 5 mph in the morning, becoming west around 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 14°. Wind west-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast. Patchy light fog in the morning, then light to moderate fog in the afternoon. Rain very likely. High 16°. Wind south-southwest around 6 mph in the morning, becoming west-southwest in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Saturday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. A chance of rain. Low 14°. Wind northwest around 4 mph in the evening, becoming southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 2. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain likely. Breezy. Low 14°. Wind south-southwest around 12 mph, gusting to 21 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Monday
 
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. Windy. High 15°. UV index up to 3. Wind west around 17 mph, gusting to 28 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain. Breezy. Low 12°. Wind west-southwest around 13 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. Breezy. High 15°. UV index up to 2. Wind southwest around 15 mph, gusting to 25 mph, in the morning, becoming 8 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Tuesday night
 
Fair. Patchy light fog in the evening. Breezy and cool. Low 11°. Wind west around 12 mph, gusting to 20 mph.

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