WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 19-Jul-2026 06:00 am
 
Today

Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm.
High: 21° Low: 13° High: 21° Low: 12° High: 22° Low: 14° High: 21° Low: 13°
               
N
6-16
mph
Moderate breeze
N→WNW
4
mph
Light breeze
WNW
6-15
mph
Moderate breeze
WNW
4-15
mph
Moderate breeze
NW
5→9-18
mph
Moderate breeze
NW
8-18
mph
Moderate breeze
NW
10-21
mph
Fresh breeze
NW
10-21
mph
Fresh breeze
UV: 6
 High 
UV: 5
 Medium 
UV: 6
 High 
UV: 5
 Medium 

 

Today
 
Partly cloudy in the morning, becoming mostly sunny in the afternoon. A slight chance of rain. Mild. High 21°. UV index up to 6. Wind north around 6 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 13°. Wind north around 4 mph in the evening, becoming west-northwest after midnight.
Monday
 
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 21°. UV index up to 5. Wind west-northwest around 6 mph, gusting to 15 mph.
Monday night
 
Mostly clear in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind west-northwest around 4 mph, gusting to 15 mph.
Tuesday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. A slight chance of rain in the morning. Mild. High 22°. UV index up to 6. Wind northwest around 5 mph in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 14°. Wind northwest around 8 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. High 21°. UV index up to 5. Wind northwest around 10 mph, gusting to 21 mph.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind northwest around 10 mph, gusting to 21 mph.
Thursday
 
Partly to mostly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Warm. High 22°. UV index up to 6. Wind northwest around 6 mph, gusting to 16 mph.
Thursday night
 
Clear in the evening, becoming partly cloudy after midnight. Low 12°. Wind northwest around 3 mph.
Friday
 
Partly to mostly sunny. Warm. High 24°. UV index up to 6. Wind northwest around 3 mph in the morning, becoming 6 mph, gusting to 15 mph, in the afternoon.
Friday night
 
Fair in the evening, becoming partly cloudy after midnight. Low 12°. Wind northwest around 2 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the afternoon. Mild. High 22°. UV index up to 5. Wind west around 3 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. Patchy light fog. Rain likely. Breezy. Low 12°. Wind west-southwest around 10 mph, gusting to 20 mph, in the evening, becoming 13 mph, gusting to 21 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.

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