WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 29-Jul-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Fog late
Fog late
Friday

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

Mostly Sunny
Mostly Sunny
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm.
Low: 14° High: 18° Low: 10° High: 18° Low: 9° High: 18° Low: 11° High: 21°
               
SSW→WSW
10-23
mph
Fresh breeze
WNW
10-20
mph
Fresh breeze
W
5-16
mph
Moderate breeze
WSW
7-18→10-19
mph
Fresh breeze
WSW
9-19→5
mph
Fresh breeze
W
9-19
mph
Fresh breeze
W→SSW
7-18→4
mph
Moderate breeze
ESE→NE
3→6-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

Tonight
 
Dense overcast in the evening, becoming cloudy 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 10 mph, gusting to 23 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 5. Wind west-northwest around 10 mph, gusting to 20 mph.
Thursday night
 
Mostly clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west around 5 mph, gusting to 16 mph.
Friday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 5. Wind west-southwest around 7 mph, gusting to 18 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Cool. Low 9°. Wind west-southwest around 9 mph, gusting to 19 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
Partly to mostly sunny. A slight chance of rain. High 18°. UV index up to 5. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy. Low 11°. Wind west around 7 mph, gusting to 18 mph, in the evening, becoming south-southwest around 4 mph after midnight.
Sunday
 
Mostly cloudy. High 21°. UV index up to 4. Wind east-southeast around 3 mph in the morning, becoming northeast around 6 mph, gusting to 16 mph, in the afternoon.
Sunday night
 
Mostly cloudy to cloudy. Low 14°. Wind north-northeast around 9 mph, gusting to 16 mph, in the evening, becoming east after midnight.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 21°. UV index up to 4. Wind east around 14 mph, gusting to 25 mph.
Monday night
 
Dense overcast. A chance of rain. Breezy. Low 15°. Wind east around 18 mph, gusting to 28 mph, in the evening, becoming 14 mph, gusting to 23 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. A chance of rain. High 17°. UV index up to 2. Wind east around 11 mph, gusting to 23 mph, in the morning, becoming 7 mph, gusting to 16 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 14°. Wind east-northeast around 10 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.

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