WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 06-Aug-2026 03:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Friday

Mostly Cloudy
Mostly Cloudy
Friday
night
Fog late
Fog late
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Chance rain
Chance rain
Sunday
night
Partly Cloudy
Partly Cloudy
<2 mm.
High: 18° Low: 11° High: 19° Low: 10° High: 22° Low: 12° High: 20° Low: 11°
               
NW
10-20
mph
Fresh breeze
SW
6-16
mph
Moderate breeze
SW
8-18
mph
Moderate breeze
SW
6-15
mph
Moderate breeze
SW
7-16
mph
Moderate breeze
SSW
6-16
mph
Moderate breeze
WSW
9-17
mph
Moderate breeze
WSW
5-17→2
mph
Moderate breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

This afternoon
 
Partly to mostly cloudy. High 18°. UV index up to 4. Wind northwest around 10 mph, gusting to 20 mph.
Tonight
 
Mostly cloudy. Low 11°. Wind southwest around 6 mph, gusting to 16 mph.
Friday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 19°. UV index up to 5. Wind southwest around 8 mph, gusting to 18 mph.
Friday night
 
Mostly clear in the evening, becoming fair after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind southwest around 6 mph, gusting to 15 mph.
Saturday
 
Partly cloudy. Mild. High 22°. UV index up to 5. Wind southwest around 7 mph, gusting to 16 mph.
Saturday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 12°. Wind south-southwest around 6 mph, gusting to 16 mph.
Sunday
 
Mostly cloudy to cloudy. A chance of rain. High 20°. UV index up to 4. Wind west-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 11°. Wind west-southwest around 5 mph, gusting to 17 mph, in the evening, becoming 2 mph after midnight.
Monday
 
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Warm. High 23°. UV index up to 5. Wind west-northwest around 6 mph.
Monday night
 
Partly to mostly cloudy. Low 12°. Wind north around 4 mph in the evening, becoming east after midnight.
Tuesday
 
Mostly cloudy. Warm. High 24°. UV index up to 4. Wind east-southeast around 9 mph in the morning, becoming west around 4 mph in the afternoon.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 14°. Wind west around 3 mph in the evening, becoming south after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Unusually warm. High 25°. UV index up to 5. Wind south-southwest around 5 mph, gusting to 17 mph.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind southwest around 10 mph, gusting to 18 mph.

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