WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 29-Sep-2026 06:00 am
 
Today

Cloudy
Cloudy
Tonight

Rain likely
Rain likely
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Chance rain
Chance rain
Friday

Rain likely
Rain likely
Friday
night
Fog
Fog
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. 10 mm. <5 mm. 2 mm. <2 mm. <5 mm. 15 mm. <2 mm.
High: 20° Low: 17° High: 21° Low: 14° High: 17° Low: 12° High: 13° Low: 10° High: 15° Low: 11°
                   
SE
13-24→17-26
mph
Strong breeze
SE
17-24
mph
Fresh breeze
SSW
9-19→12-22
mph
Fresh breeze
SSW
10-19
mph
Fresh breeze
SSW
9-18
mph
Moderate breeze
SSW
9-19→14-21
mph
Fresh breeze
SSW
10-18
mph
Moderate breeze
SSW→WSW
7-15
mph
Moderate breeze
WSW
4
mph
Light breeze
S
6→10-17
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Today
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and mild. High 20°. Wind southeast around 13 mph, gusting to 24 mph, in the morning, becoming 17 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Precipitation showery or intermittent. Windy and mild. Low 17°. Wind southeast around 17 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Wednesday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Mild. High 21°. UV index up to 2. Wind south-southwest around 9 mph, gusting to 19 mph, in the morning, becoming 12 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind south-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain. High 17°. UV index up to 2. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 12°. Wind south-southwest around 9 mph, gusting to 19 mph, in the evening, becoming 14 mph, gusting to 21 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 13°. Wind south-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Friday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog. A chance of rain. Low 10°. Wind south-southwest around 7 mph, gusting to 15 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 15°. UV index up to 2. Wind west-southwest around 4 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 11°. Wind south around 6 mph in the evening, becoming 10 mph, gusting to 17 mph, after midnight.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. Breezy. High 15°. Wind south-southwest around 13 mph, gusting to 22 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 12°. Wind southwest around 12 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Monday
 
Dense overcast. A chance of rain. Breezy. High 14°. Wind southwest around 16 mph, gusting to 26 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Rain likely. Windy. Low 10°. Wind southwest around 21 mph, gusting to 28 mph, in the evening, becoming west-northwest around 16 mph, gusting to 26 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.

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