WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 13-Jun-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog
Fog
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Partly Cloudy
Partly Cloudy
<2 mm. 10 mm. <2 mm. <2 mm. <2 mm.
High: 16° Low: 8° High: 17° Low: 9° High: 17° Low: 11° High: 15° Low: 11° High: 16° Low: 10°
                   
WNW
15-25
mph
Strong breeze
WNW
11-21→8
mph
Fresh breeze
NW
7→4
mph
Light breeze
E
4→7
mph
Light breeze
ESE
11-19
mph
Fresh breeze
SSW
7
mph
Light breeze
SW
10-18
mph
Moderate breeze
SW
13-20
mph
Fresh breeze
WSW
11-23→15-25
mph
Strong breeze
WSW
13-23→8-16
mph
Fresh breeze
UV: 5
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 5
 Medium 

 

This afternoon
 
Mostly cloudy to cloudy. Breezy. High 16°. UV index up to 5. Wind west-northwest around 15 mph, gusting to 25 mph.
Tonight
 
Mostly cloudy. Patchy light fog after midnight. Cool. Low 8°. Wind west-northwest around 11 mph, gusting to 21 mph, in the evening, becoming 8 mph after midnight.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. High 17°. UV index up to 4. Wind northwest around 7 mph in the morning, becoming 4 mph in the afternoon.
Sunday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Cool. Low 9°. Wind east around 4 mph in the evening, becoming 7 mph after midnight.
Monday
 
Mostly cloudy in the morning, becoming dense overcast in the afternoon. High 17°. UV index up to 3. Wind east-southeast around 11 mph, gusting to 19 mph.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 11°. Wind south-southwest around 7 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. High 15°. UV index up to 3. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain. Breezy. Low 11°. Wind southwest around 13 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy. High 16°. UV index up to 5. Wind west-southwest around 11 mph, gusting to 23 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly 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. Low 10°. Wind west-southwest around 13 mph, gusting to 23 mph, in the evening, becoming 8 mph, gusting to 16 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain. High 16°. UV index up to 3. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. Rain likely after midnight. Low 11°. Wind south-southwest around 5 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Friday
 
Dense overcast. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. High 14°. UV index up to 2. Wind southwest around 6 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog. Low 10°. Wind south-southwest around 8 mph, gusting to 17 mph, in the evening, becoming 11 mph, gusting to 18 mph, after midnight.

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