WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 27-Jul-2026 06:00 pm
 
Tonight

Overcast
Overcast
Tuesday

Overcast
Overcast
Tuesday
night
Fog late
Fog late
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

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

Fog a.m.
Fog a.m.
<2 mm. <2 mm. <2 mm. <2 mm. 2 mm. <2 mm.
Low: 16° High: 18° Low: 14° High: 19° Low: 13° High: 19° Low: 10° High: 18°
               
SW
11-18
mph
Moderate breeze
SW
13-20
mph
Fresh breeze
SW
9-18→6-15
mph
Moderate breeze
SW
6-15→11-18
mph
Moderate breeze
SW→W
8-17
mph
Moderate breeze
W
10-21
mph
Fresh breeze
W
7-21
mph
Fresh breeze
W
11-22
mph
Fresh breeze
UV: 2
 Low 
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 

 

Tonight
 
Dense overcast. A slight chance of rain. Low 16°. Wind southwest around 11 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. A slight chance of rain in the morning. Breezy. High 18°. UV index up to 2. Wind southwest around 13 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Cloudy. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind southwest around 9 mph, gusting to 18 mph, in the evening, becoming 6 mph, gusting to 15 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Cloudy. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 19°. UV index up to 3. Wind southwest around 6 mph, gusting to 15 mph, in the morning, becoming 11 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain. Low 13°. Wind southwest around 8 mph, gusting to 17 mph, in the evening, becoming west after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Partly to mostly sunny. Patchy light fog in the morning. A slight chance of rain in the afternoon. High 19°. UV index up to 5. Wind west around 10 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Fair in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind west around 7 mph, gusting to 21 mph.
Friday
 
Partly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. High 18°. UV index up to 5. Wind west around 11 mph, gusting to 22 mph.
Friday night
 
Fair in the evening, becoming clear after midnight. Cool. Low 10°. Wind west-southwest around 10 mph, gusting to 21 mph.
Saturday
 
Mostly sunny in the morning, becoming sunny in the afternoon. Breezy. High 19°. UV index up to 5. Wind west-southwest around 12 mph, gusting to 22 mph.
Saturday night
 
Clear in the evening, becoming partly cloudy after midnight. Cool. Low 10°. Wind west around 10 mph, gusting to 20 mph.
Sunday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 19°. UV index up to 4. Wind west-northwest around 9 mph, gusting to 18 mph.
Sunday night
 
Fair in the evening, becoming mostly clear after midnight. Cool. Low 9°. Wind northwest around 2 mph in the evening, becoming east-southeast after midnight.

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