WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 23-Jun-2026 09:00 pm
 
Tonight

Fog late
Fog late
Wednesday

Mostly Sunny
Mostly Sunny
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Thunder storm
Thunder storm
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
<2 mm.
Low: 18° High: 30° Low: 16° High: 32° Low: 20° High: 29° Low: 16° High: 24°
               
WNW→WSW
2
mph
Light air
N
4
mph
Light breeze
NE→ESE
4
mph
Light breeze
SSE
10-18
mph
Moderate breeze
SSE
9-16
mph
Moderate breeze
ESE→SSW
3-16→12-22
mph
Fresh breeze
SSW
8-19→4
mph
Fresh breeze
SSW
8-19→13-22
mph
Fresh breeze
UV: 7
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 

 

Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Mild. Low 18°. Wind west-northwest around 2 mph in the evening, becoming west-southwest after midnight.
Wednesday
 
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. Near record warmth. High 30°. UV index up to 7. Wind north around 4 mph.
Wednesday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Mild. Low 16°. Wind northeast around 4 mph in the evening, becoming east-southeast after midnight.
Thursday
 
Partly cloudy. Near record warmth. High 32°. UV index up to 6. Wind south-southeast around 10 mph, gusting to 18 mph.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain after midnight. Scattered thundershowers possible. Unusually warm. Low 20°. Wind south-southeast around 9 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly cloudy. Near record warmth. High 29°. UV index up to 6. Wind east-southeast around 3 mph, gusting to 16 mph, in the morning, becoming south-southwest around 12 mph, gusting to 22 mph, in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 16°. Wind south-southwest around 8 mph, gusting to 19 mph, in the evening, becoming 4 mph after midnight.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Warm. High 24°. UV index up to 5. Wind south-southwest around 8 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 22 mph, in the afternoon.
Saturday 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. Low 15°. Wind south-southwest around 8 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Mild. High 21°. UV index up to 5. Wind south-southwest around 10 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 12°. Wind southwest around 11 mph, gusting to 20 mph, in the evening, becoming 7 mph, gusting to 17 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly cloudy. Patchy light fog in the morning. A chance of rain. High 17°. UV index up to 5. Wind southwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Low 11°. Wind southwest around 7 mph, gusting to 17 mph.

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