WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 16-Jun-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Rain likely
Rain likely
Wednesday

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

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
<2 mm. 7 mm. <2 mm. 2 mm. 10 mm. 2 mm. 2 mm. <2 mm.
High: 21° Low: 13° High: 19° Low: 12° High: 16° Low: 13° High: 20° Low: 13°
               
SW
10-20
mph
Fresh breeze
SW
10-19
mph
Fresh breeze
SW
10-20
mph
Fresh breeze
SW
12-20
mph
Fresh breeze
SSW
7-16→13-20
mph
Fresh breeze
SSW
11-17→8
mph
Moderate breeze
SSW
10-21→15-23
mph
Fresh breeze
SSW
10-19
mph
Fresh breeze
UV: 4
 Medium 
UV: 6
 High 
UV: 3
 Medium 
UV: 5
 Medium 

 

This afternoon
 
Mostly cloudy to cloudy. A chance of rain. Mild. High 21°. UV index up to 4. Wind southwest around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely. Low 13°. Wind southwest around 10 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 19°. UV index up to 6. Wind southwest around 10 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. 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 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. High 16°. UV index up to 3. Wind south-southwest around 7 mph, gusting to 16 mph, in the morning, becoming 13 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Mostly cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind south-southwest around 11 mph, gusting to 17 mph, in the evening, becoming 8 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Mostly cloudy in the morning, becoming 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. Breezy. High 20°. UV index up to 5. Wind south-southwest around 10 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Low 13°. Wind south-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. High 18°. UV index up to 5. Wind south-southwest around 3 mph in the morning, becoming northwest in the afternoon.
Saturday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind east-southeast around 4 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 20°. UV index up to 5. Wind south around 6 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. 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 3 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 18°. UV index up to 4. Wind west-southwest around 5 mph in the morning, becoming 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Breezy. Low 11°. Wind northwest around 11 mph, gusting to 20 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.