WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 03-Sep-2026 06:00 pm
 
Tonight

Rain likely
Rain likely
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Chance rain
Chance rain
Sunday
night
Chance rain
Chance rain
Monday

Fog a.m.
Fog a.m.
Monday
night
Rain likely
Rain likely
Tuesday

Partly Cloudy
Partly Cloudy
15 mm. 2 mm. <2 mm. 2 mm. 2 mm. <2 mm. 15 mm. <2 mm.
Low: 14° High: 16° Low: 11° High: 17° Low: 13° High: 21° Low: 14° High: 16° Low: 11° High: 13°
                   
SW
10-24
mph
Fresh breeze
SW
16-26
mph
Strong breeze
SW
15-23
mph
Fresh breeze
W
9-18
mph
Moderate breeze
S
5→9-15
mph
Moderate breeze
SSE
7-16
mph
Moderate breeze
SSE→SW
8-18
mph
Moderate breeze
W
13-23
mph
Fresh breeze
W
14-24
mph
Fresh breeze
W
21-31
mph
Strong breeze
UV: 3
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

Tonight
 
Dense overcast. Patchy light fog. Rain likely. Low 14°. Wind southwest around 10 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly 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. Windy. High 16°. UV index up to 3. Wind southwest around 16 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Breezy. Low 11°. Wind southwest around 15 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 17°. UV index up to 4. Wind west around 9 mph, gusting to 18 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 13°. Wind south around 5 mph in the evening, becoming 9 mph, gusting to 15 mph, after midnight.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Mild. High 21°. UV index up to 4. Wind south-southeast around 7 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly 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-southeast around 8 mph, gusting to 18 mph, in the evening, becoming southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 16°. UV index up to 3. Wind west around 13 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. Rain likely. Breezy. Low 11°. Wind west around 14 mph, gusting to 24 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Tuesday
 
Partly cloudy. A chance of rain. Windy and cool. High 13°. UV index up to 3. Wind west around 21 mph, gusting to 31 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Very windy and cool. Low 9°. Wind chill ranging from 5 to 9. Wind west around 25 mph, gusting to 34 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain. Windy and cool. High 12°. Wind chill ranging from 5 to 9. UV index up to 2. Wind west around 24 mph, gusting to 34 mph, in the morning, becoming 19 mph, gusting to 29 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Dense overcast. Patchy light fog. Rain likely. Low 10°. Wind west around 12 mph, gusting to 21 mph, in the evening, becoming south-southeast around 7 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.

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