WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 10-Jun-2026 09:00 pm
 
Tonight

Fog late
Fog late
Thursday

Rain likely
Rain likely
Thursday
night
Overcast
Overcast
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Chance rain
Chance rain
<2 mm. 15 mm. <2 mm. <2 mm. <2 mm. 2 mm.
Low: 9° High: 13° Low: 12° High: 17° Low: 10° High: 14° Low: 9° High: 15°
               
WSW
7
mph
Light breeze
SW
11-21→16-23
mph
Fresh breeze
WSW
14-21
mph
Fresh breeze
WSW
14-24→18-27
mph
Strong breeze
WSW
15-24
mph
Fresh breeze
W
16-25
mph
Strong breeze
W
11-21→8
mph
Fresh breeze
NW
6-15
mph
Moderate breeze
UV: 2
 Low 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Cool. Low 9°. Wind west-southwest around 7 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Dense overcast. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. Breezy and cool. High 13°. UV index up to 2. Wind southwest around 11 mph, gusting to 21 mph, in the morning, becoming 16 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Dense overcast. A chance of rain. Breezy. Low 12°. Wind west-southwest around 14 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Windy. High 17°. UV index up to 4. 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 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Breezy. Low 10°. Wind west-southwest around 15 mph, gusting to 24 mph.
Saturday
 
Mostly cloudy. A chance of rain. Breezy. High 14°. UV index up to 4. Wind west around 16 mph, gusting to 25 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 9°. Wind west around 11 mph, gusting to 21 mph, in the evening, becoming 8 mph after midnight.
Sunday
 
Cloudy. A chance of rain. High 15°. UV index up to 3. Wind northwest around 6 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Low 9°. Wind northeast around 4 mph in the evening, becoming southeast after midnight.
Monday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. Mild. High 20°. UV index up to 5. Wind southeast around 7 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 12°. Wind south-southwest around 8 mph in the evening, becoming 11 mph, gusting to 18 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Mostly cloudy in the morning, becoming dense overcast 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. Breezy. High 15°. UV index up to 3. Wind southwest around 14 mph, gusting to 21 mph, in the morning, becoming 9 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Cloudy. Patchy light fog after midnight. A chance of rain after midnight. Low 12°. Wind southwest around 6 mph in the evening, becoming 10 mph, gusting to 18 mph, after midnight. 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.