WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 24-Sep-2026 03:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Chance rain
Chance rain
Friday

Fog a.m.
Fog a.m.
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Fog late
Fog late
Sunday

Rain likely
Rain likely
Sunday
night
Fog
Fog
Monday

Partly Cloudy
Partly Cloudy
Monday
night
Cloudy
Cloudy
<5 mm. <2 mm. <2 mm. 5 mm. <2 mm.
High: 19° Low: 12° High: 15° Low: 10° High: 17° Low: 10° High: 15° Low: 10° High: 16° Low: 13°
                   
SSW
8-17
mph
Moderate breeze
SSW
5
mph
Light breeze
WNW
6-16
mph
Moderate breeze
SW
9-16
mph
Moderate breeze
SW
11-20
mph
Fresh breeze
SSW
9-17
mph
Moderate breeze
S
10-19→13-21
mph
Fresh breeze
W
6-16
mph
Moderate breeze
SSW→SE
3
mph
Light air
ESE
5→11-19
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Mostly cloudy. Mild. High 19°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 17 mph.
Tonight
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind south-southwest around 5 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Cloudy. Patchy light fog in the morning. A slight chance of rain. High 15°. UV index up to 2. Wind west-northwest around 6 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly to mostly cloudy in the evening, becoming mostly clear after midnight. Low 10°. Wind southwest around 9 mph, gusting to 16 mph.
Saturday
 
Partly to mostly sunny. A slight chance of rain. High 17°. UV index up to 2. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Low 10°. Wind south-southwest around 9 mph, gusting to 17 mph.
Sunday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 15°. Wind south around 10 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Sunday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening. Low 10°. Wind west around 6 mph, gusting to 16 mph.
Monday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 16°. UV index up to 2. Wind south-southwest around 3 mph in the morning, becoming southeast in the afternoon.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain after midnight. Low 13°. Wind east-southeast around 5 mph in the evening, becoming 11 mph, gusting to 19 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. Wind east-southeast around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then rain likely after midnight. Windy. Low 13°. Wind east-southeast around 13 mph, gusting to 22 mph, in the evening, becoming 20 mph, gusting to 30 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Wednesday
 
Dense overcast in the morning, becoming partly cloudy in the afternoon. Rain likely in the morning, then a slight chance of rain in the afternoon. Windy. High 16°. UV index up to 2. Wind south-southwest around 20 mph, gusting to 27 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Wednesday night
 
Mostly cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind south around 10 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.

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