WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 14-Jun-2026 06:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Chance rain
Chance rain
Monday
night
Chance rain
Chance rain
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Rain likely
Rain likely
Wednesday

Chance rain
Chance rain
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Cloudy
Cloudy
2 mm. 2 mm. 10 mm. <2 mm. <2 mm.
Low: 10° High: 16° Low: 11° High: 18° Low: 12° High: 19° Low: 11° High: 17°
               
ESE
4→7
mph
Light breeze
ESE
10-17
mph
Moderate breeze
SSW
5
mph
Light breeze
SSW
6→10-19
mph
Fresh breeze
SSW
8-18
mph
Moderate breeze
SSW
11-20
mph
Fresh breeze
SW
13-21
mph
Fresh breeze
SW
10-18
mph
Moderate breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Cool. Low 10°. Wind east-southeast around 4 mph in the evening, becoming 7 mph after midnight.
Monday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 4. Wind east-southeast around 10 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 11°. Wind south-southwest around 5 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 4. Wind south-southwest around 6 mph in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 12°. Wind south-southwest around 8 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday
 
Dense overcast 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 19°. UV index up to 5. Wind south-southwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly cloudy. Breezy. Low 11°. Wind southwest around 13 mph, gusting to 21 mph.
Thursday
 
Cloudy. A slight chance of rain. High 17°. UV index up to 3. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south around 7 mph.
Friday
 
Cloudy 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. High 19°. UV index up to 5. Wind south around 8 mph in the morning, becoming west-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A chance of rain. Low 13°. Wind south-southwest around 4 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast. Patchy light fog. A chance of rain. High 14°. UV index up to 2. Wind west around 5 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Mostly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 10°. Wind west-northwest around 6 mph.

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