WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 03-Aug-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Chance rain
Chance rain
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
2 mm. <2 mm. <2 mm. 2 mm. <5 mm. <5 mm. <2 mm.
Low: 16° High: 22° Low: 15° High: 16° Low: 9° High: 15° Low: 10° High: 18° Low: 11° High: 19°
                   
ESE→SSE
2→5
mph
Light breeze
S
8-17→12-22
mph
Fresh breeze
S→W
12-21
mph
Fresh breeze
W
15-26→18-28
mph
Strong breeze
W
15-25
mph
Strong breeze
W
12-19
mph
Fresh breeze
WNW→SSW
5-16
mph
Moderate breeze
SSW
5
mph
Light breeze
SSW
5
mph
Light breeze
SSW
7-16→11-20
mph
Fresh breeze
UV: 3
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

Tonight
 
Cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 16°. Wind east-southeast around 2 mph in the evening, becoming south-southeast around 5 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to 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 south around 8 mph, gusting to 17 mph, in the morning, becoming 12 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 15°. Wind south around 12 mph, gusting to 21 mph, in the evening, becoming west after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 16°, but temperatures falling in the afternoon. UV index up to 4. Wind west around 15 mph, gusting to 26 mph, in the morning, becoming 18 mph, gusting to 28 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cool. Low 9°. Wind west around 15 mph, gusting to 25 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and cool. High 15°. UV index up to 4. Wind west around 12 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Cool. Low 10°. Wind west-northwest around 5 mph, gusting to 16 mph, in the evening, becoming south-southwest after midnight.
Friday
 
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 18°. UV index up to 4. Wind south-southwest around 5 mph.
Friday night
 
Partly cloudy. Low 11°. Wind south-southwest around 5 mph.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 19°. UV index up to 4. Wind south-southwest around 7 mph, gusting to 16 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 13°. Wind south-southwest around 10 mph, gusting to 18 mph, in the evening, becoming west after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 18°. UV index up to 4. Wind west around 8 mph, gusting to 20 mph, in the morning, becoming northwest in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 12°. Wind north around 5 mph in the evening, becoming east-northeast after midnight.

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