WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 06-May-2026 03:00 pm
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Fog
Fog
Friday

Rain likely
Rain likely
Friday
night
Chance rain
Chance rain
Saturday

Chance rain
Chance rain
Saturday
night
Chance rain
Chance rain
<2 mm. <2 mm. 5 mm. <5 mm. <2 mm. <2 mm.
High: 12° Low: 5° High: 13° Low: 6° High: 12° Low: 7° High: 11° Low: 6°
              WCh: 3°
ENE
8-18
mph
Moderate breeze
E→SSE
5→8
mph
Gentle breeze
S
8-19
mph
Fresh breeze
S
5
mph
Light breeze
SSE→NE
4
mph
Light breeze
NNE
4
mph
Light breeze
N
7→11-19
mph
Fresh breeze
NE
11-19
mph
Fresh breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 

 

This afternoon
 
Partly cloudy. High 12°. UV index up to 4. Wind east-northeast around 8 mph, gusting to 18 mph.
Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Cool. Low 5°. Wind east around 5 mph in the evening, becoming south-southeast around 8 mph after midnight.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the afternoon. High 13°. UV index up to 4. Wind south around 8 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain. Low 6°. Wind south around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. Rain likely. High 12°. UV index up to 3. Wind south-southeast around 4 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday night
 
Dense overcast. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Low 7°. Wind north-northeast around 4 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday
 
Cloudy. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 11°. UV index up to 3. Wind north around 7 mph in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Cool. Low 6°. Wind chill ranging from 3 to 6. Wind northeast around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. A chance of rain. High 11°. UV index up to 3. Wind northeast around 9 mph, gusting to 18 mph, in the morning, becoming 5 mph in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Dense overcast. Patchy light fog. A chance of rain. Cool. Low 6°. Wind west-northwest around 4 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Dense overcast. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Cool. High 9°. Wind north-northeast around 6 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast. Rain likely. Breezy and cool. Low 6°. Wind chill as low as 2. Wind northeast around 13 mph, gusting to 23 mph. Chance of precipitation 70 percent. Precipitation mostly around 5 mm.
Tuesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Breezy. High 12°. UV index up to 3. Wind northeast around 12 mph, gusting to 21 mph.
Tuesday night
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 6°. Wind north-northwest around 9 mph, gusting to 18 mph.

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