WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 11-Sep-2026 06:00 am
 
Today

Chance rain
Chance rain
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Rain likely
Rain likely
Saturday
night
Overcast
Overcast
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Rain likely
Rain likely
Monday
night
Chance rain
Chance rain
<5 mm. 5 mm. <2 mm. <2 mm. 7 mm. 5 mm.
High: 16° Low: 12° High: 16° Low: 14° High: 17° Low: 14° High: 17° Low: 14°
               
WNW
9-18
mph
Moderate breeze
SSW
4→9-21
mph
Fresh breeze
SSW
18-26→14-22
mph
Strong breeze
SSW→WSW
10-18→4
mph
Moderate breeze
W→NNW
4
mph
Light breeze
SSW
3→7
mph
Light breeze
SSW
13-21
mph
Fresh breeze
SSW
16-22
mph
Fresh breeze
UV: 3
 Medium 
UV: 2
 Low 
UV: 2
 Low 

 

Today
 
Mostly cloudy in the morning, becoming partly 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. High 16°. UV index up to 3. Wind west-northwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south-southwest around 4 mph in the evening, becoming 9 mph, gusting to 21 mph, after midnight.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Rain likely. Windy. High 16°. Wind south-southwest around 18 mph, gusting to 26 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Saturday night
 
Dense overcast. A chance of rain. Low 14°. Wind south-southwest around 10 mph, gusting to 18 mph, in the evening, becoming west-southwest around 4 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy. A chance of rain. High 17°. UV index up to 2. Wind west around 4 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind south-southwest around 3 mph in the evening, becoming 7 mph after midnight.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Rain likely. Breezy. High 17°. UV index up to 2. Wind south-southwest around 13 mph, gusting to 21 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Breezy. Low 14°. Wind south-southwest around 16 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Windy. High 15°, but temperatures falling in the afternoon. UV index up to 2. Wind west around 16 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Breezy. Low 10°. Wind west around 13 mph, gusting to 22 mph, in the evening, becoming 17 mph, gusting to 24 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 13°. Wind west around 14 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
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 16 mph, gusting to 26 mph, in the evening, becoming 20 mph, gusting to 27 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Cloudy. A slight chance of rain. Windy and cool. High 13°, but temperatures falling in the afternoon. Wind west around 18 mph, gusting to 27 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy. A chance of rain. Breezy and cool. Low 9°. Wind west-northwest around 15 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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