WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 15-Jun-2026 11:00 am
 
This
afternoon
Overcast
Overcast
Tonight

Chance rain
Chance rain
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
2 mm. <2 mm. <2 mm. <5 mm. 2 mm. 10 mm. 2 mm.
High: 20° Low: 13° High: 18° Low: 11° High: 19° Low: 12° High: 17° Low: 13°
               
SSE
11-21
mph
Fresh breeze
SSW
5
mph
Light breeze
SW
9-20
mph
Fresh breeze
SW
9-18
mph
Moderate breeze
SW
11-20
mph
Fresh breeze
SW
11-19
mph
Fresh breeze
SW
8-15→12-20
mph
Fresh breeze
SSW
12-18
mph
Moderate breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

This afternoon
 
Dense overcast. Breezy. High 20°. UV index up to 4. Wind south-southeast around 11 mph, gusting to 21 mph.
Tonight
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°. Wind south-southwest around 5 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Cloudy. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 18°. UV index up to 5. Wind southwest around 9 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 11°. Wind southwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 19°. UV index up to 5. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain after midnight. Breezy. Low 12°. Wind southwest around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Cloudy. Light to moderate fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind southwest around 8 mph, gusting to 15 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Mostly cloudy to cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 13°. Wind south-southwest around 12 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 16°. UV index up to 2. Wind south-southwest around 13 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Friday night
 
Cloudy. Patchy light fog. A chance of rain. Low 13°. Wind south-southwest around 9 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 4. Wind west-southwest around 5 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 14°. Wind east-northeast around 3 mph in the evening, becoming southeast after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Dense overcast. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 2. Wind south-southwest around 2 mph in the morning, becoming west-southwest around 7 mph in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind northwest around 9 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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