WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 15-Jul-2025 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
Thursday
night
Rain likely
Rain likely
Friday

Fog a.m.
Fog a.m.
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Rain likely
Rain likely
<5 mm. 30 mm. <2 mm. 7 mm. 5 mm.
Low: 13° High: 19° Low: 14° High: 19° Low: 14° High: 20° Low: 14° High: 19° Low: 14° High: 16°
                   
NW
13-21
mph
Fresh breeze
NW
7-16
mph
Moderate breeze
ENE→SE
3
mph
Light air
S→SW
4
mph
Light breeze
SSW
5
mph
Light breeze
SSW→W
4
mph
Light breeze
SW→S
3
mph
Light air
S→W
2
mph
Light air
NE→E
6
mph
Light breeze
SE→W
4
mph
Light breeze
UV: 5
 Medium 
UV: 4
 Medium 
UV: 6
 High 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Breezy. Low 13°. Wind northwest around 13 mph, gusting to 21 mph.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. High 19°. UV index up to 5. Wind northwest around 7 mph, gusting to 16 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind east-northeast around 3 mph in the evening, becoming southeast after midnight.
Thursday
 
Cloudy. A chance of rain. High 19°. UV index up to 4. Wind south around 4 mph in the morning, becoming southwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Cloudy. Light to moderate fog after midnight. Rain likely after midnight. Low 14°. Wind south-southwest around 5 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly sunny in the afternoon. Light to moderate fog in the morning. High 20°. UV index up to 6. Wind south-southwest around 4 mph in the morning, becoming west in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming cloudy after midnight. Low 14°. Wind southwest around 3 mph in the evening, becoming south after midnight.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 19°. UV index up to 4. Wind south around 2 mph in the morning, becoming west in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 14°. Wind northeast around 6 mph in the evening, becoming east after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning, then moderate fog in the afternoon. Rain likely. High 16°. UV index up to 3. Wind southeast around 4 mph in the morning, becoming west in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. A slight chance of rain in the evening, then rain likely after midnight. Low 13°. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly around 5 mm.
Monday
 
Dense overcast 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 16°. UV index up to 3. Wind west around 13 mph, gusting to 21 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind west around 10 mph, gusting to 20 mph.

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