WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 09-Sep-2026 06:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
Thursday
night
Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Rain likely
Rain likely
Saturday
night
Rain likely
Rain likely
Sunday

Fog a.m.
Fog a.m.
<2 mm. 2 mm. 2 mm. 5 mm. 15 mm. <2 mm.
Low: 12° High: 16° Low: 12° High: 15° Low: 11° High: 17° Low: 14° High: 17°
               
SSW
4→8-15
mph
Moderate breeze
SSW
10-19→14-21
mph
Fresh breeze
SSW→W
9-19
mph
Fresh breeze
W
9-18
mph
Moderate breeze
SW
6
mph
Light breeze
SSW
14-26→19-27
mph
Strong breeze
SSW→W
16-24→9-16
mph
Fresh breeze
NW→W
6
mph
Light breeze
UV: 3
 Medium 
UV: 2
 Low 
UV: 3
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind south-southwest around 4 mph in the evening, becoming 8 mph, gusting to 15 mph, after midnight.
Thursday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain. Breezy. High 16°. Wind south-southwest around 10 mph, gusting to 19 mph, in the morning, becoming 14 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 12°. Wind south-southwest around 9 mph, gusting to 19 mph, in the evening, becoming west after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Mostly cloudy to 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. High 15°. UV index up to 3. Wind west around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind southwest around 6 mph.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Rain likely. Windy. High 17°. UV index up to 2. Wind south-southwest around 14 mph, gusting to 26 mph, in the morning, becoming 19 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Saturday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Breezy. Low 14°. Wind south-southwest around 16 mph, gusting to 24 mph, in the evening, becoming west around 9 mph, gusting to 16 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Sunday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 17°. UV index up to 3. Wind northwest around 6 mph in the morning, becoming west in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 13°. Wind southwest around 4 mph in the evening, becoming 8 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 18°. UV index up to 2. Wind southwest around 9 mph, gusting to 16 mph, in the morning, becoming 14 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 14°. Wind southwest around 14 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 16°. Wind west-southwest around 12 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Breezy. Low 10°. Wind north-northwest around 13 mph, gusting to 22 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.