WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 10-Aug-2026 03:00 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Partly Cloudy
Partly Cloudy
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
Thursday

Mostly Sunny
Mostly Sunny
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Fog late
Fog late
<2 mm. <2 mm. <2 mm.
High: 18° Low: 11° High: 24° Low: 13° High: 26° Low: 13° High: 28° Low: 14° High: 21° Low: 13°
                   
N
6-16
mph
Moderate breeze
NE→SE
3
mph
Light air
SSE
5
mph
Light breeze
NNE→S
2
mph
Light air
SSW→NNW
4
mph
Light breeze
SSE
2
mph
Light air
SSE→N
4
mph
Light breeze
WNW→SW
2→7
mph
Light breeze
WNW
11-21
mph
Fresh breeze
WNW
8-20
mph
Fresh breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 5
 Medium 
UV: 6
 High 
UV: 5
 Medium 

 

This afternoon
 
Partly cloudy. High 18°. UV index up to 4. Wind north around 6 mph, gusting to 16 mph.
Tonight
 
Partly cloudy. Low 11°. Wind northeast around 3 mph in the evening, becoming southeast after midnight.
Tuesday
 
Partly cloudy. Warm. High 24°. UV index up to 5. Wind south-southeast around 5 mph.
Tuesday night
 
Partly cloudy. Low 13°. Wind north-northeast around 2 mph in the evening, becoming south after midnight.
Wednesday
 
Partly cloudy. Unusually warm. High 26°. UV index up to 5. Wind south-southwest around 4 mph in the morning, becoming north-northwest in the afternoon.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Low 13°. Wind south-southeast around 2 mph.
Thursday
 
Partly to mostly sunny. Near record warmth. High 28°. UV index up to 6. Wind south-southeast around 4 mph in the morning, becoming north in the afternoon.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 14°. Wind west-northwest around 2 mph in the evening, becoming southwest around 7 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 21°. UV index up to 5. Wind west-northwest around 11 mph, gusting to 21 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 13°. Wind west-northwest around 8 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 17°. UV index up to 3. Wind west-northwest around 10 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly cloudy. Low 11°. Wind northwest around 5 mph, gusting to 16 mph.
Sunday
 
Cloudy. High 18°. UV index up to 3. Wind north-northwest around 5 mph, gusting to 15 mph.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly clear after midnight. Cool. Low 11°. Wind north around 10 mph, gusting to 19 mph, in the evening, becoming east after midnight.

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