WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 22-Mar-2026 11:00 am
 
This
afternoon
Cloudy
Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Mostly Cloudy
Mostly Cloudy
Tuesday

Rain likely
Rain likely
Tuesday
night
Rain likely
Rain likely
Wednesday

Rain and Snow
Cold!
Rain and Snow
Cold!
Wednesday
night
Rain and Snow
Rain and Snow
Thursday

Partly Cloudy
Cold!
Partly Cloudy
Cold!
Thursday
night
Chance rain
Chance rain
<2 mm. <2 mm. 15 mm. 7 mm. 5 mm. <2 mm. <2 mm. 2 mm.
High: 13° Low: 4° High: 12° Low: 8° High: 10° Low: 4° High: 5° Low: 2° High: 6° Low: 4°
          WCh: 0° WCh: -5°   WCh: -4°  
W
7-16
mph
Moderate breeze
NW
8-16→4
mph
Moderate breeze
S→SW
2
mph
Light air
WSW
12-23→17-23
mph
Fresh breeze
WSW
18-27
mph
Strong breeze
WSW
20-31
mph
Strong breeze
W
22-31
mph
Strong breeze
NW
20-29
mph
Strong breeze
NNW
16-24→13-23
mph
Fresh breeze
SW
10-19
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Cloudy. High 13°. Wind west around 7 mph, gusting to 16 mph.
Tonight
 
Partly to mostly cloudy. A slight chance of rain. Low 4°. Wind northwest around 8 mph, gusting to 16 mph, in the evening, becoming 4 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 12°. UV index up to 2. Wind south around 2 mph in the morning, becoming southwest in the afternoon.
Monday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Breezy. Low 8°. Wind west-southwest around 12 mph, gusting to 23 mph, in the evening, becoming 17 mph, gusting to 23 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. A chance of rain in the morning, then rain likely in the afternoon. Windy. High 10°. Wind west-southwest around 18 mph, gusting to 27 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Tuesday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Rain likely in the evening, then a chance of rain after midnight. Windy. Low 4°. Wind chill ranging from 0 to 5. Wind west-southwest around 20 mph, gusting to 31 mph. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain in the morning, then a chance of a mix of rain and snow in the afternoon. Windy and cold. High 5°, but temperatures falling in the afternoon. Wind chill ranging from -5 to 0. UV index up to 2. Wind west around 22 mph, gusting to 31 mph. Chance of precipitation 60 percent. Precipitation (liquid equivalent) mostly around 5 mm. No snow accumulation expected.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. A slight chance of a mix of snow and rain in the evening, then a slight chance of snow after midnight. Windy and cold. Low 2°. Wind chill as low as -4. Wind northwest around 20 mph, gusting to 29 mph. Chance of precipitation 30 percent. Precipitation (liquid equivalent) mostly less than 2 mm. No snow accumulation expected.
Thursday
 
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. Breezy and cold. High 6°. Wind chill ranging from -4 to 1. UV index up to 2. Wind north-northwest around 16 mph, gusting to 24 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Low 4°, but temperatures rising after midnight. Wind southwest around 10 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. Rain likely. Windy. High 7°. Wind chill around 1. UV index up to 3. Wind west-northwest around 17 mph, gusting to 28 mph, in the morning, becoming 21 mph, gusting to 30 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Windy. Low 4°. Wind chill as low as -1. Wind west-northwest around 18 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Saturday
 
Partly to mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 7°. Wind chill ranging from -1 to 2. UV index up to 2. Wind west around 20 mph, gusting to 30 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Breezy. Low 4°. Wind chill as low as 0. Wind west-northwest around 13 mph, gusting to 22 mph, in the evening, becoming west-southwest around 16 mph, gusting to 27 mph, after midnight. 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.