WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 16-Sep-2026 06:00 am
 
Today

Rain likely
Rain likely
Tonight

Rain likely
Rain likely
Thursday

Chance rain
Chance rain
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Rain likely
Rain likely
Friday
night
Chance rain
Chance rain
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
5 mm. 5 mm. 2 mm. <2 mm. 5 mm. <2 mm. <2 mm.
High: 13° Low: 11° High: 14° Low: 10° High: 13° Low: 13° High: 17° Low: 10°
               
NW
12-20
mph
Fresh breeze
WSW
10-18→13-20
mph
Fresh breeze
W
14-23
mph
Fresh breeze
W
13-20
mph
Fresh breeze
SW
11-20→18-28
mph
Strong breeze
SW
15-24
mph
Fresh breeze
SW
14-24
mph
Fresh breeze
W
11-20
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

Today
 
Mostly cloudy to cloudy. Rain likely. Breezy. High 13°. UV index up to 2. Wind northwest around 12 mph, gusting to 20 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tonight
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Rain likely. Breezy. Low 11°. Wind west-southwest around 10 mph, gusting to 18 mph, in the evening, becoming 13 mph, gusting to 20 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Thursday
 
Partly cloudy in the morning, becoming mostly 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. Breezy. High 14°. UV index up to 2. Wind west around 14 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Breezy. Low 10°. Wind west around 13 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Rain likely. Breezy. High 13°. Wind southwest around 11 mph, gusting to 20 mph, in the morning, becoming 18 mph, gusting to 28 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 13°, but temperatures rising after midnight. Wind southwest around 15 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 17°. UV index up to 2. Wind southwest around 14 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly cloudy. Breezy. Low 10°. Wind west around 11 mph, gusting to 20 mph.
Sunday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 16°. UV index up to 3. Wind west around 9 mph, gusting to 19 mph.
Sunday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind southwest around 7 mph.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. High 17°. UV index up to 2. Wind west-southwest around 6 mph.
Monday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 10°. Wind west around 3 mph in the evening, becoming south-southwest after midnight.
Tuesday
 
Sunny. Patchy light fog in the morning. Mild. High 19°. UV index up to 3. Wind south around 2 mph in the morning, becoming northeast in the afternoon.
Tuesday night
 
Clear. Patchy light fog after midnight. Low 10°. Wind east-northeast around 3 mph.

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