WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 30-Jun-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Rain likely
Rain likely
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Mostly Sunny
Mostly Sunny
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
<2 mm. 5 mm. <2 mm.
Low: 13° High: 19° Low: 13° High: 17° Low: 12° High: 21° Low: 11° High: 19°
               
SSW→WSW
6
mph
Light breeze
W
10-20
mph
Fresh breeze
SW
17-25
mph
Strong breeze
W
15-24
mph
Fresh breeze
W
9-21→5
mph
Fresh breeze
W
8-17
mph
Moderate breeze
WSW
9-17
mph
Moderate breeze
WSW
10-20→15-24
mph
Fresh breeze
UV: 5
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind south-southwest around 6 mph in the evening, becoming west-southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 19°. UV index up to 5. Wind west around 10 mph, gusting to 20 mph.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Rain likely. Windy. Low 13°. Wind southwest around 17 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Breezy. High 17°. UV index up to 6. Wind west around 15 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind west around 9 mph, gusting to 21 mph, in the evening, becoming 5 mph after midnight.
Friday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Mild. High 21°. UV index up to 6. Wind west around 8 mph, gusting to 17 mph.
Friday night
 
Fair in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 17 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Breezy. High 19°. UV index up to 5. Wind west-southwest around 10 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind west-southwest around 11 mph, gusting to 22 mph.
Sunday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 20°. UV index up to 4. Wind west-southwest around 12 mph, gusting to 22 mph.
Sunday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Low 14°. Wind west-southwest around 11 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and mild. High 22°. UV index up to 6. Wind west around 13 mph, gusting to 21 mph, in the morning, becoming 10 mph, gusting to 21 mph, in the afternoon.
Monday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind west-southwest around 4 mph.

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