WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 17-Oct-2026 09:00 pm
 
Tonight

Fair
Fair
Sunday

Chance rain
Chance rain
Sunday
night
Fog
Fog
Monday

Fog a.m.
Fog a.m.
Monday
night
Fog late
Fog late
Tuesday

Rain likely
Rain likely
Tuesday
night
Chance rain
Chance rain
Wednesday

Rain likely
Rain likely
2 mm. <2 mm. <2 mm. <2 mm. 7 mm. <2 mm. 10 mm.
Low: 4° High: 9° Low: 6° High: 11° Low: 7° High: 10° Low: 8° High: 9°
               
ESE
3
mph
Light air
E→NE
3-16→9-18
mph
Moderate breeze
NE
9-15
mph
Moderate breeze
E
9-18
mph
Moderate breeze
SE
5
mph
Light breeze
SSE
4
mph
Light breeze
SW
3
mph
Light air
SW→WNW
6-19→13-24
mph
Fresh breeze

 

Tonight
 
Fair. Low 4°. Wind east-southeast around 3 mph.
Sunday
 
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 9°. Wind east around 3 mph, gusting to 16 mph, in the morning, becoming northeast around 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy. Patchy light fog. A chance of rain. Low 6°. Wind northeast around 9 mph, gusting to 15 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 11°. Wind east around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 7°. Wind southeast around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 10°. Wind south-southeast around 4 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Tuesday night
 
Cloudy. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 8°. Wind southwest around 3 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely. High 9°. Wind southwest around 6 mph, gusting to 19 mph, in the morning, becoming west-northwest around 13 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 7°. Wind southwest around 8 mph, gusting to 16 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Thursday
 
Partly cloudy. Patchy light fog in the morning. A chance of rain. High 11°. Wind south-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Low 8°. Wind south-southeast around 4 mph in the evening, becoming north-northeast around 8 mph, gusting to 22 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Friday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. Windy. High 9°, but temperatures falling in the afternoon. Wind chill ranging from 1 to 5. Wind north-northwest around 19 mph, gusting to 30 mph, in the morning, becoming west around 28 mph, gusting to 41 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 20 and 30 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Rain likely. Very windy and cold. Low 5°. Wind chill ranging from -2 to 1. Wind west-southwest around 31 mph, gusting to 45 mph, in the evening, becoming 39 mph, gusting to 52 mph, after midnight. 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.