WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 25-Aug-2026 06:00 pm
 
Tonight

Cloudy
Cloudy
Wednesday

Rain likely
Rain likely
Wednesday
night
Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Fog late
Fog late
Friday

Rain likely
Rain likely
Friday
night
Chance rain
Chance rain
Saturday

Rain likely
Rain likely
<2 mm. 15 mm. <2 mm. 15 mm. <2 mm. 10 mm. <2 mm. 5 mm.
Low: 16° High: 20° Low: 16° High: 19° Low: 16° High: 18° Low: 14° High: 16°
               
E
10-19
mph
Fresh breeze
E
8-15
mph
Moderate breeze
E
3→7
mph
Light breeze
E
7
mph
Light breeze
SSE→SSW
5
mph
Light breeze
SW
7-15
mph
Moderate breeze
WSW
8-15
mph
Moderate breeze
SSE→SSW
8-17
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Cloudy. A chance of rain. Low 16°. Wind east around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. High 20°. UV index up to 2. Wind east around 8 mph, gusting to 15 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. A chance of rain. Low 16°. Wind east around 3 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 40 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°. UV index up to 2. Wind east around 7 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Dense overcast 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 16°. Wind south-southeast around 5 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog. Rain likely. High 18°, but temperatures falling in the afternoon. UV index up to 2. Wind southwest around 7 mph, gusting to 15 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind west-southwest around 8 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog. Rain likely. High 16°. UV index up to 2. Wind south-southeast around 8 mph, gusting to 17 mph, in the morning, becoming south-southwest in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 5 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly 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-northwest around 11 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming dense overcast in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. High 14°. Wind west-northwest around 5 mph in the morning, becoming east-northeast in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Sunday night
 
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Low 11°. Wind northeast around 8 mph, gusting to 16 mph, in the evening, becoming north-northwest around 13 mph, gusting to 21 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Monday
 
Cloudy. A slight chance of rain. Breezy and cool. High 14°. UV index up to 2. Wind west-northwest around 13 mph, gusting to 22 mph, in the morning, becoming west-southwest around 17 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Windy. Low 12°. Wind west-southwest around 18 mph, gusting to 26 mph, in the evening, becoming 21 mph, gusting to 31 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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