WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 11-May-2026 06:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
Wednesday

Rain likely
Rain likely
Wednesday
night
Rain likely
Rain likely
Thursday

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
Friday

Fog a.m.
Fog a.m.
2 mm. <5 mm. 25 mm. 15 mm. 15 mm. <5 mm. <2 mm.
Low: 4° High: 11° Low: 5° High: 8° Low: 5° High: 8° Low: 6° High: 10°
    WCh: 0° WCh: 0°   WCh: 2°    
NW→WSW
7-19
mph
Fresh breeze
WSW→WNW
15-25
mph
Strong breeze
WNW
11-20→17-25
mph
Strong breeze
WNW
19-28
mph
Strong breeze
NW
17-26→11-20
mph
Strong breeze
NNW
12-20
mph
Fresh breeze
N
9-18→5
mph
Moderate breeze
NNW
7-17
mph
Moderate breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 4°. Wind northwest around 7 mph, gusting to 19 mph, in the evening, becoming west-southwest after midnight.
Tuesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Breezy. High 11°. UV index up to 4. Wind west-southwest around 15 mph, gusting to 25 mph, in the morning, becoming west-northwest 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. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cold. Low 5°. Wind chill ranging from 0 to 6. Wind west-northwest around 11 mph, gusting to 20 mph, in the evening, becoming 17 mph, gusting to 25 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Rain likely. Windy and cold. High 8°. Wind chill ranging from 0 to 3. UV index up to 3. Wind west-northwest around 19 mph, gusting to 28 mph. Chance of precipitation 70 percent. Precipitation mostly between 20 and 30 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Rain likely. Breezy and cool. Low 5°. Wind chill as low as 2. Wind northwest around 17 mph, gusting to 26 mph, in the evening, becoming 11 mph, gusting to 20 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Thursday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog. Rain likely in the morning, then a chance of rain in the afternoon. Breezy and cold. High 8°. Wind chill ranging from 2 to 5. UV index up to 3. Wind north-northwest around 12 mph, gusting to 20 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. A chance of rain. Cool. Low 6°. Wind north around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. High 10°. UV index up to 4. Wind north-northwest around 7 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 6°. Wind northwest around 6 mph in the evening, becoming west-southwest after midnight.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Cool. High 10°. UV index up to 2. Wind southwest around 7 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 7°. Wind southwest around 7 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 12°. UV index up to 4. Wind west-southwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 8°. Wind south-southeast around 8 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly less than 2 mm.

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