WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 04-Aug-2026 06:00 am
 
Today

Chance rain
Chance rain
Tonight

Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. 2 mm. 2 mm. <2 mm.
High: 22° Low: 15° High: 16° Low: 9° High: 15° Low: 10° High: 18° Low: 11°
               
S
11-21
mph
Fresh breeze
SSW→W
11-21
mph
Fresh breeze
W
16-26
mph
Strong breeze
W
14-24
mph
Fresh breeze
W
12-19
mph
Fresh breeze
W→SW
5-15
mph
Moderate breeze
SSW→WSW
6-16
mph
Moderate breeze
WSW
9-16
mph
Moderate breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 

 

Today
 
Cloudy. A chance of rain. Mild. High 22°. UV index up to 3. Wind south around 11 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind south-southwest around 11 mph, gusting to 21 mph, in the evening, becoming west after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 16°, but temperatures falling in the afternoon. UV index up to 3. Wind west around 16 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and unusually cool. Low 9°. Wind west around 14 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and cool. High 15°. UV index up to 4. Wind west around 12 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 10°. Wind west around 5 mph, gusting to 15 mph, in the evening, becoming southwest after midnight.
Friday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. High 18°. UV index up to 5. Wind south-southwest around 6 mph, gusting to 16 mph, in the morning, becoming west-southwest in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Cool. Low 11°. Wind west-southwest around 9 mph, gusting to 16 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 20°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 18 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon.
Saturday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain after midnight. Low 12°. Wind southwest around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 20°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Cool. Low 11°. Wind northwest around 8 mph, gusting to 15 mph, in the evening, becoming 12 mph, gusting to 20 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. High 20°. UV index up to 5. Wind northwest around 11 mph, gusting to 20 mph, in the morning, becoming 6 mph, gusting to 17 mph, in the afternoon.
Monday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 11°. Wind northeast around 5 mph in the evening, becoming east-southeast around 11 mph, gusting to 18 mph, after midnight.

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