WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 29-Jun-2026 06:00 pm
 
Tonight

Cloudy
Cloudy
Tuesday

Rain likely
Rain likely
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
<2 mm. 5 mm. <2 mm. <2 mm. 2 mm. <2 mm. <2 mm.
Low: 13° High: 16° Low: 12° High: 19° Low: 12° High: 18° Low: 12° High: 19°
               
S
6-19
mph
Fresh breeze
S
9-19
mph
Fresh breeze
W
9-19
mph
Fresh breeze
W
11-25
mph
Strong breeze
WSW
18-27
mph
Strong breeze
WSW
14-22
mph
Fresh breeze
SW
6-17
mph
Moderate breeze
SW
12-22
mph
Fresh breeze
UV: 3
 Medium 
UV: 5
 Medium 
UV: 6
 High 
UV: 4
 Medium 

 

Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain. Low 13°. Wind south around 6 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Rain likely. High 16°. UV index up to 3. Wind south around 9 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Low 12°. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 19°. UV index up to 5. Wind west around 11 mph, gusting to 25 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly to mostly 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. Windy. Low 12°. Wind west-southwest around 18 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 18°. UV index up to 6. Wind west-southwest around 14 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind southwest around 6 mph, gusting to 17 mph.
Friday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 19°. UV index up to 4. Wind southwest around 12 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind west around 7 mph, gusting to 17 mph.
Saturday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Breezy and mild. High 22°. UV index up to 7. Wind west around 11 mph, gusting to 21 mph.
Saturday night
 
Cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. High 20°. UV index up to 6. Wind northwest around 7 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 11°. Wind west-northwest around 3 mph in the evening, becoming south-southwest after midnight.

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