WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 04-Aug-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

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

Partly Cloudy
Partly Cloudy
Friday
night
Fog
Fog
Saturday

Chance rain
Chance rain
<2 mm. <5 mm. 2 mm. <2 mm. <2 mm. 5 mm.
Low: 15° High: 16° Low: 9° High: 15° Low: 10° High: 18° Low: 10° High: 20°
               
SSW→W
11-26
mph
Strong breeze
W
16-27
mph
Strong breeze
W
13-22
mph
Fresh breeze
W
11-19
mph
Fresh breeze
WSW
7-16
mph
Moderate breeze
SW→WNW
5
mph
Light breeze
SSW
5
mph
Light breeze
SSW
7-17
mph
Moderate breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Breezy. Low 15°. Wind south-southwest around 11 mph, gusting to 26 mph, in the evening, becoming west after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 16°, but temperatures falling in the afternoon. UV index up to 4. Wind west around 16 mph, gusting to 27 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain. Breezy and cool. Low 9°. Wind west around 13 mph, gusting to 22 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy and cool. High 15°. UV index up to 4. Wind west around 11 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Cool. Low 10°. Wind west-southwest around 7 mph, gusting to 16 mph.
Friday
 
Partly cloudy. A chance of rain. High 18°. UV index up to 4. Wind southwest around 5 mph in the morning, becoming west-northwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Fair to partly cloudy. Patchy light fog. Cool. Low 10°. Wind south-southwest around 5 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. A chance of rain in the afternoon. High 20°. UV index up to 4. Wind south-southwest around 7 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Saturday night
 
Mostly cloudy to cloudy. Moderate fog in the evening, then light to moderate fog after midnight. Rain likely. Low 14°. Wind south-southwest around 6 mph in the evening, becoming 9 mph, gusting to 16 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 20 and 30 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind west around 8 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 12°. Wind west around 9 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly sunny in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 5. Wind west around 9 mph, gusting to 18 mph.
Monday night
 
Partly cloudy in the evening, becoming clear after midnight. Cool. Low 10°. Wind northwest around 6 mph, gusting to 15 mph, in the evening, becoming 2 mph after midnight.

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