WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 18-Oct-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Fog
Fog
Monday

Fog a.m.
Fog a.m.
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog
Fog
Wednesday

Rain likely
Rain likely
Wednesday
night
Fog
Fog
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Rain likely
Rain likely
<2 mm. 15 mm. 20 mm. <2 mm. <2 mm. 20 mm.
High: 13° Low: 7° High: 12° Low: 7° High: 9° Low: 8° High: 9° Low: 7° High: 10° Low: 7°
                   
ENE
8-17
mph
Moderate breeze
ENE
9-17
mph
Moderate breeze
ESE
8-17
mph
Moderate breeze
ESE→S
4
mph
Light breeze
S
3
mph
Light air
S
2→5
mph
Light breeze
S→NW
6-15→15-27
mph
Strong breeze
WSW
6-20
mph
Fresh breeze
SW
6-15
mph
Moderate breeze
ESE→ENE
11-23→18-30
mph
Strong breeze

 

This afternoon
 
Partly to mostly cloudy. A chance of rain. High 13°. Wind east-northeast around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. Low 7°. Wind east-northeast around 9 mph, gusting to 17 mph.
Monday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 12°. Wind east-southeast around 8 mph, gusting to 17 mph.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 7°. Wind east-southeast around 4 mph in the evening, becoming south after midnight.
Tuesday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 9°. Wind south around 3 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Tuesday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Moderate fog. Low 8°. Wind south around 2 mph in the evening, becoming 5 mph after midnight.
Wednesday
 
Dense overcast. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain very likely. High 9°. Wind south around 6 mph, gusting to 15 mph, in the morning, becoming northwest around 15 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Wednesday night
 
Partly to mostly cloudy. Moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 7°. Wind west-southwest around 6 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 10°. Wind southwest around 6 mph, gusting to 15 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then rain likely after midnight. Breezy. Low 7°. Wind east-southeast around 11 mph, gusting to 23 mph, in the evening, becoming east-northeast around 18 mph, gusting to 30 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Friday
 
Dense overcast. Rain likely. Windy and cold. High 8°, but temperatures falling in the afternoon. Wind chill around 3. Wind north-northwest around 21 mph, gusting to 33 mph. Chance of precipitation 80 percent. Precipitation mostly around 30 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Rain likely. Windy and cold. Low 5°. Wind chill ranging from -1 to 3. Wind west-northwest around 17 mph, gusting to 25 mph, in the evening, becoming 27 mph, gusting to 46 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Very windy and cold. High 8°. Wind chill ranging from -1 to 1. Wind west around 38 mph, gusting to 49 mph, in the morning, becoming 34 mph, gusting to 47 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 5 mm.
Saturday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. A chance of rain. Windy and cool. Low 7°, but temperatures rising after midnight. Wind chill ranging from 1 to 5. Wind northwest around 25 mph, gusting to 39 mph, in the evening, becoming 13 mph, gusting to 22 mph, after midnight. 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.