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

Chance rain
Chance rain
Tonight

Chance rain
Chance rain
Thursday

Mostly Sunny
Mostly Sunny
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm.
High: 22° Low: 15° High: 19° Low: 10° High: 18° Low: 10° High: 18° Low: 11°
               
SSW
6-18→11-20
mph
Fresh breeze
SSW→W
8-19
mph
Fresh breeze
W
10-20
mph
Fresh breeze
W
5-17
mph
Moderate breeze
W
8-18
mph
Moderate breeze
SW
9-18→5
mph
Moderate breeze
W
8-18→11-20
mph
Fresh breeze
W
8-18→4
mph
Moderate breeze
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 

 

Today
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Warm. High 22°. UV index up to 3. Wind south-southwest around 6 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tonight
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind south-southwest around 8 mph, gusting to 19 mph, in the evening, becoming west after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly sunny in the morning, becoming mostly sunny in the afternoon. High 19°. UV index up to 5. Wind west around 10 mph, gusting to 20 mph.
Thursday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west around 5 mph, gusting to 17 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 around 8 mph, gusting to 18 mph.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Cool. Low 10°. Wind southwest around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain. High 18°. UV index up to 5. Wind west around 8 mph, gusting to 18 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 8 mph, gusting to 18 mph, in the evening, becoming 4 mph after midnight.
Sunday
 
Mostly cloudy. High 21°. UV index up to 5. Wind east-southeast around 2 mph in the morning, becoming northeast around 7 mph, gusting to 17 mph, in the afternoon.
Sunday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind northeast around 10 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Dense overcast. A chance of rain. Breezy. High 18°. UV index up to 2. Wind east-northeast around 12 mph, gusting to 24 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 15°. Wind east around 18 mph, gusting to 26 mph, in the evening, becoming 14 mph, gusting to 25 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Dense overcast. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Breezy. High 17°. Wind east around 13 mph, gusting to 23 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Tuesday night
 
Dense overcast. Patchy light fog. Rain likely. Breezy. Low 14°. Wind east-northeast around 12 mph, gusting to 23 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.

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