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

Rain likely
Rain likely
Thursday

Rain likely
Rain likely
Thursday
night
Rain likely
Rain likely
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Partly Cloudy
Partly Cloudy
15 mm. 10 mm. 5 mm. <2 mm. <2 mm. 2 mm. 2 mm. <2 mm. <2 mm.
Low: 5° High: 8° Low: 4° High: 8° Low: 4° High: 11° Low: 7° High: 10° Low: 7° High: 13°
WCh: 2°     WCh: 1°            
NNW
15-23→12-21
mph
Fresh breeze
NNW
12-20
mph
Fresh breeze
NNW
10-20→6-16
mph
Fresh breeze
NNW
13-21
mph
Fresh breeze
NW
11-21→7
mph
Fresh breeze
W
7-17
mph
Moderate breeze
SSE
5
mph
Light breeze
WNW
7
mph
Light breeze
WSW
7
mph
Light breeze
SW
11-20
mph
Fresh breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 2
 Low 
UV: 4
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Breezy and cool. Low 5°. Wind chill ranging from 2 to 5. Wind north-northwest around 15 mph, gusting to 23 mph, in the evening, becoming 12 mph, gusting to 21 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Thursday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. Breezy and cold. High 8°. Wind chill around 3. UV index up to 3. Wind north-northwest around 12 mph, gusting to 20 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog. Rain likely. Cool. Low 4°. Wind chill as low as 1. Wind north-northwest around 10 mph, gusting to 20 mph, in the evening, becoming 6 mph, gusting to 16 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and cold. High 8°. Wind chill ranging from 1 to 4. UV index up to 3. Wind north-northwest around 13 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Cool. Low 4°. Wind northwest around 11 mph, gusting to 21 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. High 11°. UV index up to 3. Wind west around 7 mph, gusting to 17 mph.
Saturday night
 
Dense overcast. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 7°. Wind south-southeast around 5 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 10°. UV index up to 2. Wind west-northwest around 7 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Low 7°. Wind west-southwest around 7 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 13°. UV index up to 4. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Breezy. Low 9°. Wind south around 11 mph, gusting to 19 mph, in the evening, becoming 14 mph, gusting to 21 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Breezy. High 13°. UV index up to 3. Wind south around 14 mph, gusting to 20 mph, in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday night
 
Dense overcast. Patchy light fog. Rain likely. Low 10°. Wind southwest around 8 mph, gusting to 17 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.

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