WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 16-Aug-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Monday

Chance rain
Chance rain
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Rain likely
Rain likely
Thursday

Chance rain
Chance rain
<5 mm. 2 mm. 5 mm. <2 mm. 2 mm. <2 mm. 7 mm. <5 mm.
Low: 14° High: 17° Low: 14° High: 17° Low: 12° High: 17° Low: 12° High: 15°
               
SW
5
mph
Light breeze
WNW
8
mph
Gentle breeze
SW
7→11-17
mph
Moderate breeze
WNW
11-20
mph
Fresh breeze
WSW
9-17
mph
Moderate breeze
SW
10-18
mph
Moderate breeze
SSW→WSW
8-21
mph
Fresh breeze
W→N
10-22
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 4
 Medium 
UV: 3
 Medium 

 

Tonight
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 14°. Wind southwest around 5 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Cloudy. Patchy light fog in the morning. A chance of rain. High 17°. UV index up to 2. Wind west-northwest around 8 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. Rain likely. Low 14°. Wind southwest around 7 mph in the evening, becoming 11 mph, gusting to 17 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 17°. UV index up to 2. Wind west-northwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind west-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning. A slight chance of rain. High 17°. UV index up to 4. Wind southwest around 10 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Moderate fog. Rain likely. Low 12°. Wind south-southwest around 8 mph, gusting to 21 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Thursday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 15°. UV index up to 3. Wind west around 10 mph, gusting to 22 mph, in the morning, becoming north in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Rain likely. Cool. Low 11°. Wind north around 9 mph, gusting to 18 mph, in the evening, becoming east-northeast around 5 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. 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 northeast around 6 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Light to moderate fog after midnight. A chance of rain after midnight. Cool. Low 9°. Wind north-northwest around 6 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Light to moderate fog in the morning. High 16°. UV index up to 4. Wind northwest around 7 mph, gusting to 16 mph.
Saturday night
 
Clear in the evening, becoming mostly clear after midnight. Cool. Low 10°. Wind northwest around 6 mph.

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