WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 29-Mar-2026 09:00 pm
 
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Chance rain
Chance rain
Monday
night
Cloudy
Cloudy
Tuesday

Chance rain
Chance rain
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Fog
Fog
Thursday
night
Fog late
Fog late
Friday

Chance rain
Chance rain
<2 mm. 2 mm. 2 mm. 2 mm. <2 mm. <2 mm. 5 mm.
Low: 6° High: 8° Low: 5° High: 10° Low: 7° High: 14° Low: 6° High: 8° Low: 5° High: 11°
  WCh: 1°                
WNW
18-27
mph
Strong breeze
WNW
18-27
mph
Strong breeze
WNW
10-20
mph
Fresh breeze
WNW
9-15
mph
Moderate breeze
WSW
5
mph
Light breeze
SW
7-17→10-19
mph
Fresh breeze
WNW
10-19→6-16
mph
Fresh breeze
E→NNE
3
mph
Light air
SSW
6-16→11-18
mph
Moderate breeze
SSW
15-24
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 
UV: 2
 Low 

 

Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Windy. Low 6°. Wind west-northwest around 18 mph, gusting to 27 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Windy. High 8°. Wind chill ranging from 1 to 3. UV index up to 2. Wind west-northwest around 18 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Cloudy. Low 5°. Wind west-northwest around 10 mph, gusting to 20 mph.
Tuesday
 
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. High 10°. UV index up to 2. Wind west-northwest around 9 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 7°. Wind west-southwest around 5 mph.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 14°. UV index up to 3. Wind southwest around 7 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 6°. Wind west-northwest around 10 mph, gusting to 19 mph, in the evening, becoming 6 mph, gusting to 16 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Cloudy. Patchy light fog. A chance of rain. High 8°. Wind east around 3 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 5°. Wind south-southwest around 6 mph, gusting to 16 mph, in the evening, becoming 11 mph, gusting to 18 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to 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. Breezy. High 11°. UV index up to 2. Wind south-southwest around 15 mph, gusting to 24 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Friday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 6°. Wind south-southwest around 17 mph, gusting to 25 mph, in the evening, becoming west-southwest around 11 mph, gusting to 20 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Windy. High 11°. UV index up to 2. Wind southwest around 7 mph, gusting to 23 mph, in the morning, becoming 25 mph, gusting to 40 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. A slight chance of rain in the evening, then a chance of rain after midnight. Very windy and cold. Low 3°. Wind chill ranging from -4 to 1. Wind west-southwest around 24 mph, gusting to 37 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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