WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 02-Aug-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
<2 mm. <2 mm. 5 mm. 2 mm. 2 mm. 2 mm. 2 mm. <5 mm. <2 mm. <2 mm.
Low: 15° High: 25° Low: 16° High: 21° Low: 14° High: 16° Low: 10° High: 15° Low: 11° High: 18°
                   
E
3→6
mph
Light breeze
SE
9-17
mph
Moderate breeze
WSW→SE
4
mph
Light breeze
S→SW
6→10-19
mph
Fresh breeze
WSW
10-19
mph
Fresh breeze
W
16-25
mph
Strong breeze
W
16-25
mph
Strong breeze
W
12-20
mph
Fresh breeze
WSW
7-18
mph
Moderate breeze
SW
6-15→10-19
mph
Fresh breeze
UV: 5
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 

 

Tonight
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 15°. Wind east around 3 mph in the evening, becoming 6 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. Unusually warm. High 25°. UV index up to 5. Wind southeast around 9 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy. Patchy light fog after midnight. A chance of rain. Low 16°. Wind west-southwest around 4 mph in the evening, becoming southeast after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 21°. UV index up to 4. Wind south around 6 mph in the morning, becoming southwest around 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind west-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 16°. UV index up to 4. Wind west around 16 mph, gusting to 25 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cool. Low 10°. Wind west around 16 mph, gusting to 25 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Breezy and cool. High 15°. UV index up to 5. Wind west around 12 mph, gusting to 20 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 11°. Wind west-southwest around 7 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly cloudy. Patchy light fog in the morning. A chance of rain. High 18°. UV index up to 4. Wind southwest around 6 mph, gusting to 15 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy. Patchy light fog after midnight. A chance of rain. Low 13°. Wind southwest around 9 mph, gusting to 18 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 3. Wind southwest around 11 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain after midnight. Low 12°. Wind northwest around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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