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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.