WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 01-Sep-2026 06:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Cloudy
Cloudy
Wednesday

Rain likely
Rain likely
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
Thursday
night
Rain likely
Rain likely
Friday

Chance rain
Chance rain
Friday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. 10 mm. <2 mm. 2 mm. 10 mm. <5 mm.
High: 20° Low: 16° High: 18° Low: 16° High: 20° Low: 15° High: 16° Low: 11°
               
SSW
11-21
mph
Fresh breeze
SSW
10-20
mph
Fresh breeze
SSW
7-16→11-19
mph
Fresh breeze
SW
11-18
mph
Moderate breeze
SW
11-21
mph
Fresh breeze
SW→W
12-19→8-18
mph
Fresh breeze
W
8-19→16-27
mph
Strong breeze
W
19-28→16-25
mph
Strong breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 
UV: 3
 Medium 

 

Today
 
Partly cloudy in the morning, becoming cloudy in the afternoon. High 20°. UV index up to 2. Wind south-southwest around 11 mph, gusting to 21 mph.
Tonight
 
Cloudy. A chance of rain. Low 16°. Wind south-southwest around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 2. Wind south-southwest around 7 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Breezy. Low 16°. Wind southwest around 11 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
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. High 20°. UV index up to 3. Wind southwest around 11 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Dense overcast. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Low 15°. Wind southwest around 12 mph, gusting to 19 mph, in the evening, becoming west around 8 mph, gusting to 18 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Friday
 
Dense overcast in the morning, becoming partly to 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 16°. UV index up to 3. Wind west around 8 mph, gusting to 19 mph, in the morning, becoming 16 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Clear in the evening, becoming partly to mostly cloudy after midnight. Windy. Low 11°. Wind west around 19 mph, gusting to 28 mph, in the evening, becoming 16 mph, gusting to 25 mph, after midnight.
Saturday
 
Mostly cloudy. A chance of rain. Breezy. High 15°. UV index up to 4. Wind west around 13 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 12°. Wind southwest around 8 mph, gusting to 18 mph.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 18°. UV index up to 2. Wind southwest around 5 mph in the morning, becoming south-southeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Breezy. Low 14°. Wind south-southeast around 8 mph, gusting to 16 mph, in the evening, becoming south-southwest around 14 mph, gusting to 22 mph, after midnight.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy. High 16°. UV index up to 2. Wind west-southwest around 14 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. Low 12°. Wind west around 8 mph, gusting to 19 mph.

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