WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 31-Aug-2026 06:00 am
 
Today

Rain likely
Rain likely
Tonight

Fog
Fog
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Cloudy
Cloudy
Wednesday

Rain likely
Rain likely
Wednesday
night
Fog late
Fog late
Thursday

Chance rain
Chance rain
Thursday
night
Rain likely
Rain likely
7 mm. <2 mm. 5 mm. <2 mm. <5 mm. 5 mm.
High: 16° Low: 11° High: 18° Low: 15° High: 17° Low: 15° High: 18° Low: 13°
               
NW
13-23
mph
Fresh breeze
W
7-20
mph
Fresh breeze
SW
11-20
mph
Fresh breeze
SW
9-19
mph
Fresh breeze
SSW
7→11-21
mph
Fresh breeze
SW
13-22
mph
Fresh breeze
SW
11-18→15-26
mph
Strong breeze
SW
18-27
mph
Strong breeze
UV: 2
 Low 
UV: 3
 Medium 
UV: 2
 Low 
UV: 3
 Medium 

 

Today
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 16°. UV index up to 2. Wind northwest around 13 mph, gusting to 23 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Tonight
 
Cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog. Low 11°. Wind west around 7 mph, gusting to 20 mph.
Tuesday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 3. Wind southwest around 11 mph, gusting to 20 mph.
Tuesday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain. Low 15°. Wind southwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. Rain likely. High 17°. UV index up to 2. Wind south-southwest around 7 mph in the morning, becoming 11 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Breezy. Low 15°. Wind southwest around 13 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy 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. Breezy. High 18°. UV index up to 3. Wind southwest around 11 mph, gusting to 18 mph, in the morning, becoming 15 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Dense overcast in the evening, becoming cloudy after midnight. Rain likely. Windy. Low 13°. Wind southwest around 18 mph, gusting to 27 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Windy and cool. High 14°. UV index up to 3. Wind west-southwest around 23 mph, gusting to 34 mph.
Friday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Windy and cool. Low 11°. Wind west-southwest around 22 mph, gusting to 31 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Windy. High 15°. UV index up to 4. Wind west-southwest around 19 mph, gusting to 28 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 11°. Wind southwest around 8 mph, gusting to 18 mph.
Sunday
 
Sunny in the morning, becoming mostly sunny in the afternoon. Breezy. High 19°. UV index up to 4. Wind southwest around 10 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Breezy. Low 13°. Wind southwest around 14 mph, gusting to 22 mph. 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.