WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 27-Jul-2026 09:00 pm
 
Tonight

Overcast
Overcast
Tuesday

Cloudy
Cloudy
Tuesday
night
Mostly Cloudy
Mostly Cloudy
Wednesday

Cloudy
Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Fair
Fair
Friday

Mostly Sunny
Mostly Sunny
<2 mm. <2 mm. <2 mm. 2 mm. <2 mm.
Low: 17° High: 21° Low: 15° High: 20° Low: 13° High: 18° Low: 10° High: 19°
               
SSW
12-19
mph
Fresh breeze
SSW
13-21
mph
Fresh breeze
SSW
11-19→6-19
mph
Fresh breeze
SW
5-17→11-19
mph
Fresh breeze
SW→WNW
8-19
mph
Fresh breeze
WNW
9-20→12-21
mph
Fresh breeze
W→SW
7-18→3
mph
Moderate breeze
SW
8-18
mph
Moderate breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 

 

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