WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 23-Jun-2026 06:00 pm
 
Tonight

Fog late
Fog late
Wednesday

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

Partly Cloudy
Partly Cloudy
Thursday
night
Thunder storm
Thunder storm
Friday

Thunder storm
Thunder storm
Friday
night
Fog late
Fog late
Saturday

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

Chance rain
Chance rain
2 mm. 15 mm. <2 mm. <5 mm. 2 mm.
Low: 16° High: 27° Low: 16° High: 31° Low: 19° High: 23° Low: 15° High: 24° Low: 15° High: 18°
                   
WNW
3-17
mph
Moderate breeze
N
2→6
mph
Light breeze
ENE→SE
4
mph
Light breeze
SE
10-18
mph
Moderate breeze
SE
8-15
mph
Moderate breeze
SE→SW
5→9-19
mph
Fresh breeze
SW
5-18
mph
Moderate breeze
SSW
4→8-18
mph
Moderate breeze
SSW
9-17
mph
Moderate breeze
SW→W
11-20
mph
Fresh breeze
UV: 7
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 
UV: 5
 Medium 

 

Tonight
 
Partly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Low 16°. Wind west-northwest around 3 mph, gusting to 17 mph.
Wednesday
 
Mostly sunny. Patchy light fog in the morning. Near record warmth. High 27°. UV index up to 7. Wind north around 2 mph in the morning, becoming 6 mph in the afternoon.
Wednesday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Mild. Low 16°. Wind east-northeast around 4 mph in the evening, becoming southeast after midnight.
Thursday
 
Partly cloudy. Near record warmth. High 31°. UV index up to 6. Wind southeast around 10 mph, gusting to 18 mph.
Thursday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain after midnight. Scattered thundershowers possible. Mild. Low 19°. Wind southeast around 8 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Moderate fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Scattered thundershowers possible. Warm. High 23°. UV index up to 6. Wind southeast around 5 mph in the morning, becoming southwest around 9 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Friday night
 
Fair in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 15°. Wind southwest around 5 mph, gusting to 18 mph.
Saturday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the afternoon. Warm. High 24°. UV index up to 5. Wind south-southwest around 4 mph in the morning, becoming 8 mph, gusting to 18 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog. A chance of rain. Low 15°. Wind south-southwest around 9 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Sunday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 18°. UV index up to 5. Wind southwest around 11 mph, gusting to 20 mph, in the morning, becoming west in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain. Low 12°. Wind southwest around 8 mph, gusting to 16 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly sunny in the morning, becoming partly cloudy in the afternoon. High 19°. UV index up to 5. Wind west around 10 mph, gusting to 19 mph.
Monday night
 
Partly cloudy. Low 11°. Wind west around 7 mph, gusting to 17 mph, in the evening, becoming southwest after midnight.

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