WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 06-May-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Chance rain
Chance rain
Friday
night
Chance rain
Chance rain
Saturday

Chance rain
Chance rain
Saturday
night
Overcast
Overcast
2 mm. <2 mm. 2 mm. <2 mm.
High: 12° Low: 5° High: 14° Low: 6° High: 13° Low: 7° High: 11° Low: 7°
               
ENE
8-17
mph
Moderate breeze
E→SSE
3→8
mph
Gentle breeze
S
7-17
mph
Moderate breeze
S
5
mph
Light breeze
S→NE
4
mph
Light breeze
NNE
4
mph
Light breeze
NNE
6→11-19
mph
Fresh breeze
NNE
11-19
mph
Fresh breeze
UV: 4
 Medium 
UV: 3
 Medium 
UV: 3
 Medium 
UV: 2
 Low 

 

This afternoon
 
Partly to mostly cloudy. High 12°. UV index up to 4. Wind east-northeast around 8 mph, gusting to 17 mph.
Tonight
 
Partly to mostly cloudy. Cool. Low 5°. Wind east around 3 mph in the evening, becoming south-southeast around 8 mph after midnight.
Thursday
 
Partly to mostly cloudy. High 14°. UV index up to 3. Wind south around 7 mph, gusting to 17 mph.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 6°. Wind south around 5 mph.
Friday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 13°. UV index up to 3. Wind south around 4 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Cloudy. Patchy light fog after midnight. 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 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 11°. UV index up to 2. Wind north-northeast around 6 mph in the morning, becoming 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday night
 
Dense overcast. A chance of rain in the evening, then a slight chance of rain after midnight. Low 7°. Wind north-northeast around 11 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy. High 12°. UV index up to 3. Wind north-northeast around 11 mph, gusting to 20 mph.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. A slight chance of rain. Cool. Low 6°. Wind north around 9 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 10°. UV index up to 3. Wind north-northwest around 11 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Cool. Low 5°. Wind chill ranging from 1 to 8. Wind north-northwest around 6 mph, gusting to 16 mph, in the evening, becoming north-northeast around 11 mph, gusting to 25 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. Rain likely. Windy and unusually cold. High 7°, but temperatures falling in the afternoon. Wind chill around 0. Wind northeast around 17 mph, gusting to 26 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Tuesday night
 
Dense overcast. A chance of rain. Breezy and cold. Low 5°. Wind chill ranging from 0 to 3. Wind northeast around 17 mph, gusting to 25 mph, in the evening, becoming 12 mph, gusting to 22 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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