WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 02-Oct-2026 03:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Rain likely
Rain likely
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Fog late
Fog late
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Fog late
Fog late
Tuesday

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
15 mm. <2 mm. <2 mm. <2 mm. <2 mm. <2 mm.
High: 18° Low: 10° High: 15° Low: 8° High: 17° Low: 13° High: 18° Low: 13° High: 14° Low: 9°
                   
SSW
18-30
mph
Strong breeze
SSW→WNW
14-23→9-18
mph
Fresh breeze
W
4
mph
Light breeze
S
3
mph
Light air
S→WSW
5→8-17
mph
Moderate breeze
WSW
12-18
mph
Moderate breeze
WSW
10-19
mph
Fresh breeze
SW
7-17
mph
Moderate breeze
NW
9-18
mph
Moderate breeze
NW
8-18
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Mostly cloudy. Windy. High 18°. Wind south-southwest around 18 mph, gusting to 30 mph.
Tonight
 
Cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog. Rain likely. Breezy. Low 10°. Wind south-southwest around 14 mph, gusting to 23 mph, in the evening, becoming west-northwest around 9 mph, gusting to 18 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Saturday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 15°. UV index up to 2. Wind west around 4 mph.
Saturday night
 
Mostly clear in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 8°. Wind south around 3 mph.
Sunday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 17°. UV index up to 2. Wind south around 5 mph in the morning, becoming west-southwest around 8 mph, gusting to 17 mph, in the afternoon.
Sunday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain after midnight. Breezy. Low 13°. Wind west-southwest around 12 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Mild. High 18°. UV index up to 2. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 13°. Wind southwest around 7 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 14°. Wind northwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 9°. Wind northwest around 8 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Breezy. High 12°. UV index up to 2. Wind northwest around 8 mph, gusting to 19 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Windy and cool. Low 7°. Wind chill ranging from 3 to 7. Wind west around 16 mph, gusting to 25 mph, in the evening, becoming 21 mph, gusting to 29 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 10°. UV index up to 2. Wind west around 18 mph, gusting to 28 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 9°. Wind west-southwest around 8 mph, gusting to 16 mph, in the evening, becoming 12 mph, gusting to 22 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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