WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 28-May-2026 06:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Rain likely
Rain likely
Sunday

Chance rain
Chance rain
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Cloudy
Cloudy
15 mm. 2 mm. <2 mm.
Low: 12° High: 21° Low: 12° High: 21° Low: 12° High: 15° Low: 11° High: 17°
               
S
15-33
mph
Near gale
SW
12-21
mph
Fresh breeze
SW
8-18
mph
Moderate breeze
SW
7-17
mph
Moderate breeze
SSW
10-19
mph
Fresh breeze
W
10-18
mph
Moderate breeze
WSW
9-18
mph
Moderate breeze
SW
10-19
mph
Fresh breeze
UV: 6
 High 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 

 

Tonight
 
Mostly cloudy. Breezy. Low 12°. Wind south around 15 mph, gusting to 33 mph.
Friday
 
Mostly cloudy in the morning, becoming mostly sunny in the afternoon. Breezy and mild. High 21°. UV index up to 6. Wind southwest around 12 mph, gusting to 21 mph.
Friday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Low 12°. Wind southwest around 8 mph, gusting to 18 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Mild. High 21°. UV index up to 4. Wind southwest around 7 mph, gusting to 17 mph.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely in the evening, then a chance of rain after midnight. Low 12°. Wind south-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 15°. UV index up to 3. Wind west around 10 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 18 mph.
Monday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 17°. UV index up to 4. Wind southwest around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 12°. Wind southwest around 4 mph in the evening, becoming east-northeast after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Dense overcast in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 5. Wind northwest around 5 mph in the morning, becoming 9 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind west around 9 mph, gusting to 18 mph, in the evening, becoming south after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 15°. UV index up to 5. Wind south-southwest around 11 mph, gusting to 20 mph, in the morning, becoming 17 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 8°. Wind west-southwest around 11 mph, gusting to 23 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.