WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 20-Jul-2026 09:00 pm
 
Tonight

Mostly Clear
Mostly Clear
Tuesday

Mostly Sunny
Mostly Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Fog late
Fog late
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
<2 mm. <2 mm. <2 mm. 2 mm. 2 mm.
Low: 11° High: 22° Low: 13° High: 21° Low: 13° High: 19° Low: 13° High: 21° Low: 13° High: 17°
                   
WNW
3
mph
Light air
WNW
5-16→10-20
mph
Fresh breeze
WNW
10-19
mph
Fresh breeze
NW
9-17
mph
Moderate breeze
NNW
5
mph
Light breeze
WNW
7-17
mph
Moderate breeze
WNW
4-16
mph
Moderate breeze
W
8-19
mph
Fresh breeze
SW
8-17
mph
Moderate breeze
SW
12-22
mph
Fresh breeze
UV: 6
 High 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 

 

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

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