WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 23-Jul-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Fog late
Fog late
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Chance rain
Chance rain
Monday

Fog a.m.
Fog a.m.
5 mm. <2 mm. <5 mm.
Low: 12° High: 20° Low: 12° High: 18° Low: 12° High: 15° Low: 11° High: 21°
               
NW
3
mph
Light air
WNW
9-19
mph
Fresh breeze
W→SW
8-17
mph
Moderate breeze
SW
13-23
mph
Fresh breeze
W
9-19
mph
Fresh breeze
W
17-25
mph
Strong breeze
W
14-24→11-19
mph
Fresh breeze
W
9-19
mph
Fresh breeze
UV: 5
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 6
 High 

 

Tonight
 
Partly cloudy. Low 12°. Wind northwest around 3 mph.
Friday
 
Partly cloudy. High 20°. UV index up to 5. Wind west-northwest around 9 mph, gusting to 19 mph.
Friday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind west around 8 mph, gusting to 17 mph, in the evening, becoming southwest after midnight.
Saturday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 18°. UV index up to 3. Wind southwest around 13 mph, gusting to 23 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to 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. Windy and cool. High 15°. UV index up to 4. Wind west around 17 mph, gusting to 25 mph. 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 slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cool. Low 11°. Wind west around 14 mph, gusting to 24 mph, in the evening, becoming 11 mph, gusting to 19 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Partly cloudy. Patchy light fog in the morning. High 21°. UV index up to 6. Wind west around 9 mph, gusting to 19 mph.
Monday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog after midnight. Low 14°. Wind west-southwest around 10 mph, gusting to 20 mph.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. High 18°. UV index up to 3. Wind west-southwest around 9 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Breezy. Low 14°. Wind west-southwest around 12 mph, gusting to 19 mph.
Wednesday
 
Partly to mostly cloudy. Patchy light fog in the morning. A slight chance of rain. High 21°. UV index up to 4. Wind west-southwest around 8 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind northwest around 2 mph in the evening, becoming northeast after midnight.

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