WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 04-Sep-2026 06:00 am
 
Today

Chance rain
Chance rain
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm. <2 mm. 15 mm. 2 mm. 5 mm. <2 mm.
High: 16° Low: 10° High: 16° Low: 12° High: 17° Low: 13° High: 17° Low: 12° High: 15° Low: 11°
                   
W
16-26
mph
Strong breeze
WSW
15-22
mph
Fresh breeze
WSW
10-17
mph
Moderate breeze
SSW
6-15
mph
Moderate breeze
S
7
mph
Light breeze
S→WSW
10-17
mph
Moderate breeze
WSW
9-20→15-25
mph
Strong breeze
SW
18-27
mph
Strong breeze
SW
20-29
mph
Strong breeze
WSW
19-28
mph
Strong breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 2
 Low 
UV: 3
 Medium 

 

Today
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Windy. High 16°. UV index up to 3. Wind west around 16 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain. Breezy and cool. Low 10°. Wind west-southwest around 15 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy. A chance of rain. High 16°. UV index up to 3. Wind west-southwest around 10 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind south-southwest around 6 mph, gusting to 15 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning, then light to moderate fog in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. High 17°. UV index up to 3. Wind south around 7 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 13°. Wind south around 10 mph, gusting to 17 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Mostly cloudy to cloudy. Breezy. High 17°. UV index up to 2. Wind west-southwest around 9 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon.
Monday night
 
Cloudy in the evening, becoming partly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Windy. Low 12°. Wind southwest around 18 mph, gusting to 27 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Partly cloudy. A slight chance of rain. Windy. High 15°. UV index up to 3. Wind southwest around 20 mph, gusting to 29 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Windy. Low 11°. Wind west-southwest around 19 mph, gusting to 28 mph.
Wednesday
 
Mostly cloudy to cloudy. A chance of rain. Windy. High 15°. UV index up to 3. Wind west around 17 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Rain likely. Windy. Low 11°, but temperatures rising after midnight. Wind southwest around 18 mph, gusting to 27 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. Windy. High 18°. UV index up to 2. Wind west-southwest around 16 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Breezy. Low 13°. Wind west-southwest around 15 mph, gusting to 25 mph. 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.