WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 12-Aug-2026 09:00 pm
 
Tonight

Mostly Clear
Mostly Clear
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Chance rain
Chance rain
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Cloudy
Cloudy
<5 mm. 2 mm. <2 mm.
Low: 19° High: 31° Low: 17° High: 20° Low: 14° High: 17° Low: 13° High: 16°
               
S
5
mph
Light breeze
NNE
3
mph
Light air
SW
5
mph
Light breeze
WNW
4→9-17
mph
Moderate breeze
NW
8-17
mph
Moderate breeze
NW
10-19
mph
Fresh breeze
NW
4-16
mph
Moderate breeze
NW
4
mph
Light breeze
UV: 5
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Fair in the evening, becoming mostly clear after midnight. Warm. Low 19°. Wind south around 5 mph.
Thursday
 
Mostly sunny in the morning, becoming partly cloudy in the afternoon. Near record warmth. High 31°. UV index up to 5. Wind north-northeast around 3 mph.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Mild. Low 17°. Wind southwest around 5 mph.
Friday
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 20°. UV index up to 3. Wind west-northwest around 4 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 14°. Wind northwest around 8 mph, gusting to 17 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind northwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 13°. Wind northwest around 4 mph, gusting to 16 mph.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 16°. UV index up to 3. Wind northwest around 4 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind south around 3 mph.
Monday
 
Cloudy. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. Cool. High 15°. UV index up to 2. Wind south around 7 mph, gusting to 15 mph, in the morning, becoming 12 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Monday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 14°. Wind southwest around 14 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 17°. UV index up to 2. Wind west-southwest around 17 mph, gusting to 30 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Windy. Low 12°. Wind west around 23 mph, gusting to 33 mph, in the evening, becoming 16 mph, gusting to 28 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.

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