WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 05-Sep-2026 06:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Chance rain
Chance rain
Sunday

Rain likely
Rain likely
Sunday
night
Chance rain
Chance rain
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
Wednesday
night
Rain likely
Rain likely
<2 mm. 2 mm. 10 mm. <5 mm. <2 mm. <2 mm. <2 mm. <2 mm. 2 mm. 7 mm.
High: 17° Low: 13° High: 20° Low: 14° High: 17° Low: 11° High: 14° Low: 10° High: 14° Low: 11°
                   
W
9-19
mph
Fresh breeze
S
6
mph
Light breeze
S
5→9-17
mph
Moderate breeze
S→W
8-16
mph
Moderate breeze
WSW
11-22→16-26
mph
Strong breeze
WSW
13-23
mph
Fresh breeze
WSW
14-24→18-27
mph
Strong breeze
W
18-26
mph
Strong breeze
WNW
13-23
mph
Fresh breeze
SW
12-25
mph
Strong breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Today
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain in the morning. High 17°. UV index up to 4. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Low 13°. Wind south around 6 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. Rain likely. Mild. High 20°. UV index up to 3. Wind south around 5 mph in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind south around 8 mph, gusting to 16 mph, in the evening, becoming west after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain. Breezy. High 17°. UV index up to 3. Wind west-southwest around 11 mph, gusting to 22 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly cloudy. Patchy light fog after midnight. A chance of rain. Breezy. Low 11°. Wind west-southwest around 13 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. Windy. High 14°. UV index up to 3. Wind west-southwest around 14 mph, gusting to 24 mph, in the morning, becoming 18 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy. A chance of rain. Windy and cool. Low 10°. Wind west around 18 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 14°. UV index up to 3. Wind west-northwest around 13 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Dense overcast. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Breezy. Low 11°. Wind southwest around 12 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Thursday
 
Mostly cloudy to 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. Windy. High 16°. UV index up to 2. Wind southwest around 21 mph, gusting to 28 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Windy. Low 12°. Wind west-southwest around 22 mph, gusting to 32 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Windy. High 14°. UV index up to 2. Wind west around 20 mph, gusting to 31 mph.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Breezy. Low 11°. Wind west around 14 mph, gusting to 24 mph, in the evening, becoming 10 mph, gusting to 17 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.

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