WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 05-Jul-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Fog late
Fog late
Monday

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

Fog a.m.
Fog a.m.
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
High: 20° Low: 13° High: 22° Low: 13° High: 23° Low: 11° High: 26° Low: 12° High: 26° Low: 13°
                   
WNW
10-21
mph
Fresh breeze
WSW
9-16
mph
Moderate breeze
WSW→WNW
9-18
mph
Moderate breeze
WSW
8-17
mph
Moderate breeze
W
10-19
mph
Fresh breeze
WSW
5-17
mph
Moderate breeze
N
4
mph
Light breeze
NW→SW
2
mph
Light air
NNE
4
mph
Light breeze
NE→SSE
calm

Calm
UV: 5
 Medium 
UV: 5
 Medium 
UV: 6
 High 
UV: 7
 High 
UV: 6
 High 

 

This afternoon
 
Mostly cloudy to cloudy. High 20°. UV index up to 5. Wind west-northwest around 10 mph, gusting to 21 mph.
Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind west-southwest around 9 mph, gusting to 16 mph.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Mild. High 22°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 18 mph, in the morning, becoming west-northwest in the afternoon.
Monday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind west-southwest around 8 mph, gusting to 17 mph.
Tuesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Warm. High 23°. UV index up to 6. Wind west around 10 mph, gusting to 19 mph.
Tuesday night
 
Clear in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 11°. Wind west-southwest around 5 mph, gusting to 17 mph.
Wednesday
 
Mostly sunny. Patchy light fog in the morning. Unusually warm. High 26°. UV index up to 7. Wind north around 4 mph.
Wednesday night
 
Clear in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind northwest around 2 mph in the evening, becoming southwest after midnight.
Thursday
 
Partly cloudy. Unusually warm. High 26°. UV index up to 6. Wind north-northeast around 4 mph.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 13°. Wind northeast near calm in the evening, becoming south-southeast after midnight.
Friday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. Unusually warm. High 27°. UV index up to 6. Wind east around 6 mph, gusting to 15 mph, in the morning, becoming north-northeast in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming dense overcast after midnight. A chance of rain after midnight. Low 14°. Wind north-northeast around 2 mph in the evening, becoming 9 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Saturday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 17°. UV index up to 2. Wind northwest around 10 mph, gusting to 22 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Saturday night
 
Dense overcast. Rain likely. Breezy. Low 13°. Wind west-northwest around 13 mph, gusting to 23 mph. Chance of precipitation 80 percent. Precipitation mostly between 20 and 30 mm.

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