WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 13-Jun-2026 09:00 pm
 
Tonight

Fog late
Fog late
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Rain likely
Rain likely
Monday
night
Cloudy
Cloudy
Tuesday

Cloudy
Cloudy
Tuesday
night
Rain likely
Rain likely
Wednesday

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

Chance rain
Chance rain
<2 mm. 5 mm. <2 mm. <2 mm. 10 mm. <5 mm.
Low: 9° High: 17° Low: 11° High: 15° Low: 12° High: 18° Low: 13° High: 18° Low: 12° High: 16°
                   
W
8-16
mph
Moderate breeze
NW
6
mph
Light breeze
ESE
4→7
mph
Light breeze
ESE
10-17
mph
Moderate breeze
SSW
5
mph
Light breeze
SSW
6→9-19
mph
Fresh breeze
SSW
10-17
mph
Moderate breeze
SW
11-21
mph
Fresh breeze
SW
11-21
mph
Fresh breeze
SW
9-17
mph
Moderate breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 9°. Wind west around 8 mph, gusting to 16 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 17°. UV index up to 4. Wind northwest around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 11°. Wind east-southeast around 4 mph in the evening, becoming 7 mph after midnight.
Monday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Rain likely. High 15°. UV index up to 3. Wind east-southeast around 10 mph, gusting to 17 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain. Low 12°. Wind south-southwest around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 4. Wind south-southwest around 6 mph in the morning, becoming 9 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely in the evening, then a chance of rain after midnight. Low 13°. Wind south-southwest around 10 mph, gusting to 17 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 5. Wind southwest around 11 mph, gusting to 21 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind southwest around 11 mph, gusting to 21 mph.
Thursday
 
Cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 16°. UV index up to 3. Wind southwest around 9 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening. Low 13°. Wind south around 5 mph in the evening, becoming 8 mph after midnight.
Friday
 
Mostly cloudy to cloudy. A chance of rain in the afternoon. Mild. High 21°. UV index up to 4. Wind south-southwest around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy. Patchy light fog. A chance of rain. Low 11°. Wind southwest around 11 mph, gusting to 18 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.