WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 29-Jul-2026 11:00 am
 
This
afternoon
Cloudy
Cloudy
Tonight

Cloudy
Cloudy
Thursday

Partly Cloudy
Partly Cloudy
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.
High: 23° Low: 14° High: 18° Low: 10° High: 18° Low: 10° High: 19° Low: 11°
               
S
11-20
mph
Fresh breeze
SSW→W
10-20
mph
Fresh breeze
W
10-19
mph
Fresh breeze
WSW
5-16
mph
Moderate breeze
W
9-19
mph
Fresh breeze
WSW
9-18→5
mph
Moderate breeze
W
9-19
mph
Fresh breeze
W→SW
5-16
mph
Moderate breeze
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 

 

This afternoon
 
Cloudy. Warm. High 23°. UV index up to 3. Wind south around 11 mph, gusting to 20 mph.
Tonight
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain. Low 14°. Wind south-southwest around 10 mph, gusting to 20 mph, in the evening, becoming west after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. A slight chance of rain. High 18°. UV index up to 5. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Light to moderate fog after midnight. A chance of rain. Cool. Low 10°. Wind west-southwest around 5 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
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 9 mph, gusting to 19 mph.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west-southwest around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight.
Saturday
 
Partly cloudy. Patchy light fog in the morning. High 19°. UV index up to 5. Wind west around 9 mph, gusting to 19 mph.
Saturday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 5 mph, gusting to 16 mph, in the evening, becoming southwest after midnight.
Sunday
 
Partly to mostly cloudy. High 21°. UV index up to 5. Wind southeast around 3 mph in the morning, becoming north-northeast around 8 mph, gusting to 17 mph, in the afternoon.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Low 13°. Wind north-northeast around 6 mph, gusting to 16 mph, in the evening, becoming near calm after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 2. Wind west-southwest around 4 mph in the morning, becoming west-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind northwest around 8 mph, gusting to 16 mph, in the evening, becoming northeast around 12 mph, gusting to 21 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 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 and cool. High 16°. Wind east-northeast around 13 mph, gusting to 22 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.