WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 16-Jun-2026 06:00 am
 
Today

Mostly Cloudy
Mostly Cloudy
Tonight

Rain likely
Rain likely
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Fog late
Fog late
Thursday

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
Friday

Fog a.m.
Fog a.m.
Friday
night
Chance rain
Chance rain
<2 mm. 10 mm. 15 mm. <5 mm. <2 mm. <2 mm.
High: 21° Low: 14° High: 22° Low: 14° High: 15° Low: 12° High: 20° Low: 12°
               
S
8-20
mph
Fresh breeze
S
9-19
mph
Fresh breeze
S
11-21
mph
Fresh breeze
SSW
11-21
mph
Fresh breeze
SSW
9-18→13-20
mph
Fresh breeze
SSW
11-17
mph
Moderate breeze
S
13-21
mph
Fresh breeze
SW
12-21→8-16
mph
Fresh breeze
UV: 4
 Medium 
UV: 6
 High 
UV: 2
 Low 
UV: 5
 Medium 

 

Today
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the afternoon. Mild. High 21°. UV index up to 4. Wind south around 8 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Cloudy. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Low 14°. Wind south around 9 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Mild. High 22°. UV index up to 6. Wind south around 11 mph, gusting to 21 mph.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind south-southwest around 11 mph, gusting to 21 mph.
Thursday
 
Cloudy. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. High 15°. UV index up to 2. Wind south-southwest around 9 mph, gusting to 18 mph, in the morning, becoming 13 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Mostly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 12°. Wind south-southwest around 11 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 20°. UV index up to 5. Wind south around 13 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Light to moderate fog after midnight. A chance of rain. Low 12°. Wind southwest around 12 mph, gusting to 21 mph, in the evening, becoming 8 mph, gusting to 16 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 17°. UV index up to 5. Wind west-southwest around 5 mph in the morning, becoming west-northwest in the afternoon.
Saturday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind east-northeast around 5 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Mild. High 22°. UV index up to 6. Wind east around 7 mph, gusting to 16 mph, in the morning, becoming west in the afternoon.
Sunday night
 
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A chance of rain after midnight. Low 14°. Wind west-northwest around 3 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 18°. UV index up to 4. Wind south-southwest around 5 mph in the morning, becoming west around 10 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Breezy. Low 11°. Wind northwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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