WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 28-Jul-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Fog late
Fog late
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Sunny
Mostly Sunny
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
<2 mm. 2 mm. <2 mm. <2 mm.
Low: 16° High: 21° Low: 13° High: 18° Low: 10° High: 19° Low: 10° High: 19° Low: 11° High: 20°
                   
S
12-26→7-17
mph
Strong breeze
S
5-17→10-19
mph
Fresh breeze
SW
9-19
mph
Fresh breeze
W
10-20
mph
Fresh breeze
WNW→SW
5-17
mph
Moderate breeze
SW
7-17→10-19
mph
Fresh breeze
WSW
8-19
mph
Fresh breeze
WNW
10-21
mph
Fresh breeze
W
3
mph
Light air
SE→N
5-16
mph
Moderate breeze
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 

 

Tonight
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 16°. Wind south around 12 mph, gusting to 26 mph, in the evening, becoming 7 mph, gusting to 17 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 21°. UV index up to 3. Wind south around 5 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 13°. Wind southwest around 9 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly sunny. Patchy light fog in the morning. A chance of rain. High 18°. UV index up to 5. Wind west around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west-northwest around 5 mph, gusting to 17 mph, in the evening, becoming southwest after midnight.
Friday
 
Sunny. Patchy light fog in the morning. High 19°. UV index up to 5. Wind southwest around 7 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming mostly clear after midnight. Cool. Low 10°. Wind west-southwest around 8 mph, gusting to 19 mph.
Saturday
 
Mostly sunny in the morning, becoming partly to mostly sunny in the afternoon. High 19°. UV index up to 5. Wind west-northwest around 10 mph, gusting to 21 mph.
Saturday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Low 11°. Wind west around 3 mph.
Sunday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. High 20°. UV index up to 3. Wind southeast around 5 mph, gusting to 16 mph, in the morning, becoming north in the afternoon.
Sunday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind north around 8 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 18°. UV index up to 4. Wind north around 8 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Fair in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind north around 6 mph, gusting to 17 mph.

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