WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 31-Jul-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Fog late
Fog late
Saturday

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

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm. 5 mm. <5 mm. <2 mm.
High: 19° Low: 10° High: 19° Low: 11° High: 20° Low: 14° High: 22° Low: 16° High: 21° Low: 15°
                   
W
11-20
mph
Fresh breeze
SW
9-18→5
mph
Moderate breeze
W
9-19
mph
Fresh breeze
W→SSW
5-17
mph
Moderate breeze
NE
3→8-16
mph
Moderate breeze
ENE
5
mph
Light breeze
ESE
10-18
mph
Moderate breeze
ESE
7→4
mph
Light breeze
S→NNW
2
mph
Light air
WNW→SSW
3
mph
Light air
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Fair to partly cloudy. Breezy. High 19°. UV index up to 5. Wind west around 11 mph, gusting to 20 mph.
Tonight
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Cool. Low 10°. Wind southwest around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain. High 19°. UV index up to 5. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy. Low 11°. Wind west around 5 mph, gusting to 17 mph, in the evening, becoming south-southwest after midnight.
Sunday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. High 20°. UV index up to 5. Wind northeast around 3 mph in the morning, becoming 8 mph, gusting to 16 mph, in the afternoon.
Sunday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind east-northeast around 5 mph.
Monday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Mild. High 22°. UV index up to 3. Wind east-southeast around 10 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy. Light to moderate fog. Rain likely. Low 16°. Wind east-southeast around 7 mph in the evening, becoming 4 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 21°. UV index up to 3. Wind south around 2 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 15°. Wind west-northwest around 3 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Mild. High 22°. UV index up to 5. Wind south-southwest around 5 mph in the morning, becoming west-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain. Low 14°. Wind east around 2 mph in the evening, becoming northwest around 10 mph, gusting to 23 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain in the morning. Breezy. High 17°. UV index up to 4. Wind northwest around 11 mph, gusting to 21 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A chance of rain. Low 12°. Wind west around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.

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