WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 22-Jul-2026 06:00 pm
 
Tonight

Fog late
Fog late
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
Friday

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

Mostly Cloudy
Mostly Cloudy
Saturday
night
Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
<2 mm. 2 mm. <2 mm. 5 mm. 2 mm. <2 mm.
Low: 12° High: 18° Low: 12° High: 20° Low: 13° High: 18° Low: 13° High: 17° Low: 11° High: 22°
                   
NW
6-16
mph
Moderate breeze
WNW
7-17
mph
Moderate breeze
WNW
4-15
mph
Moderate breeze
NW
6-16→10-19
mph
Fresh breeze
W
7-16
mph
Moderate breeze
WSW
13-23
mph
Fresh breeze
W
10-19
mph
Fresh breeze
WNW
12-20
mph
Fresh breeze
WNW
9-17
mph
Moderate breeze
WNW
8-16
mph
Moderate breeze
UV: 5
 Medium 
UV: 6
 High 
UV: 3
 Medium 
UV: 5
 Medium 
UV: 6
 High 

 

Tonight
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 12°. Wind northwest around 6 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 5. Wind west-northwest around 7 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind west-northwest around 4 mph, gusting to 15 mph.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 20°. UV index up to 6. Wind northwest around 6 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind west around 7 mph, gusting to 16 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 18°. UV index up to 3. Wind west-southwest around 13 mph, gusting to 23 mph.
Saturday night
 
Cloudy. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 17°. UV index up to 5. Wind west-northwest around 12 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Cool. Low 11°. Wind west-northwest around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Mild. High 22°. UV index up to 6. Wind west-northwest around 8 mph, gusting to 16 mph.
Monday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south-southwest around 5 mph.
Tuesday
 
Mostly cloudy in the morning, becoming mostly sunny in the afternoon. Warm. High 23°. UV index up to 6. Wind south around 5 mph in the morning, becoming southwest around 11 mph, gusting to 21 mph, in the afternoon.
Tuesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind southwest around 9 mph, gusting to 20 mph.

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