WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 05-Aug-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Thursday

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

Mostly Cloudy
Mostly Cloudy
Friday
night
Fog late
Fog late
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Chance rain
Chance rain
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Fog late
Fog late
Monday

Fog a.m.
Fog a.m.
<5 mm. <2 mm. <2 mm. <5 mm.
Low: 9° High: 15° Low: 9° High: 17° Low: 11° High: 21° Low: 14° High: 23° Low: 12° High: 23°
                   
W
13-23
mph
Fresh breeze
W
12-20
mph
Fresh breeze
W→SSW
7
mph
Light breeze
W
7-17
mph
Moderate breeze
SW
6-15
mph
Moderate breeze
SSW
7-18
mph
Moderate breeze
SSW
7
mph
Light breeze
SW→W
6-15
mph
Moderate breeze
WNW→ESE
2
mph
Light air
WNW
calm→6
mph
Light breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 
UV: 6
 High 
UV: 5
 Medium 

 

Tonight
 
Partly to mostly cloudy. Patchy light fog. A chance of rain. Breezy and cool. Low 9°. Wind west around 13 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Partly to mostly cloudy. Patchy light fog in the morning. A slight chance of rain. Breezy and cool. High 15°. UV index up to 4. Wind west around 12 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Cool. Low 9°. Wind west around 7 mph in the evening, becoming south-southwest after midnight.
Friday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 17°. UV index up to 4. Wind west around 7 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Fair to partly cloudy. Patchy light fog after midnight. Cool. Low 11°. Wind southwest around 6 mph, gusting to 15 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 21°. UV index up to 5. Wind south-southwest around 7 mph, gusting to 18 mph.
Saturday night
 
Mostly cloudy. Patchy light fog. A chance of rain. Low 14°. Wind south-southwest around 7 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Sunday
 
Partly to mostly cloudy in the morning, becoming sunny in the afternoon. Patchy light fog in the morning. Warm. High 23°. UV index up to 6. Wind southwest around 6 mph, gusting to 15 mph, in the morning, becoming west in the afternoon.
Sunday night
 
Clear. Patchy light fog after midnight. Low 12°. Wind west-northwest around 2 mph in the evening, becoming east-southeast after midnight.
Monday
 
Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Warm. High 23°. UV index up to 5. Wind west-northwest near calm in the morning, becoming 6 mph in the afternoon.
Monday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind north-northwest around 3 mph in the evening, becoming east-southeast after midnight.
Tuesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Warm. High 24°. UV index up to 4. Wind east-southeast around 6 mph in the morning, becoming northwest in the afternoon.
Tuesday night
 
Partly to mostly cloudy. Low 13°. Wind west around 3 mph.

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