WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Monday, 23-Mar-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
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

Fog a.m.
Fog a.m.
Thursday
night
Overcast
Overcast
Friday

Chance rain
Chance rain
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Chance rain
Chance rain
<5 mm. 20 mm. 15 mm. 5 mm. 5 mm. <2 mm. <5 mm. 5 mm.
Low: 9° High: 11° Low: 4° High: 5° Low: 1° High: 6° Low: 4° High: 8° Low: 4° High: 6°
    WCh: 0° WCh: -4°   WCh: -2°     WCh: 0°  
S
21-39→17-24
mph
Gale
S
17-27→23-31
mph
Strong breeze
WSW
21-30
mph
Strong breeze
WNW
22-31
mph
Strong breeze
WNW
17-27→10-19
mph
Strong breeze
WNW
7-16→10-19
mph
Fresh breeze
SW
10-18→14-21
mph
Fresh breeze
SW→WNW
12-22
mph
Fresh breeze
WNW
11-20→15-24
mph
Fresh breeze
WNW
19-30
mph
Strong breeze
UV: 2
 Low 
UV: 2
 Low 

 

Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Windy. Low 9°. Wind south around 21 mph, gusting to 39 mph, in the evening, becoming 17 mph, gusting to 24 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Dense overcast. A chance of rain in the morning, then rain likely in the afternoon. Windy. High 11°. Wind south around 17 mph, gusting to 27 mph, in the morning, becoming 23 mph, gusting to 31 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Tuesday night
 
Cloudy. Rain very likely. Windy. Low 4°. Wind chill ranging from 0 to 5. Wind west-southwest around 21 mph, gusting to 30 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Wednesday
 
Cloudy in the morning, becoming mostly cloudy to 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 -4 to -1. Wind west-northwest around 22 mph, gusting to 31 mph. Chance of precipitation 70 percent. Precipitation (liquid equivalent) mostly around 5 mm. No snow accumulation expected.
Wednesday night
 
Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. A chance of a mix of snow and rain in the evening, then a slight chance of a mix of snow and rain after midnight. Breezy and cold. Low 1°. Wind chill as low as -4. Wind west-northwest around 17 mph, gusting to 27 mph, in the evening, becoming 10 mph, gusting to 19 mph, after midnight. Chance of precipitation 50 percent. Precipitation (liquid equivalent) mostly around 5 mm. Little or no snow accumulation expected.
Thursday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. Cold. High 6°. Wind chill ranging from -2 to 2. UV index up to 2. Wind west-northwest around 7 mph, gusting to 16 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon.
Thursday night
 
Dense overcast. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 4°, but temperatures rising after midnight. Wind southwest around 10 mph, gusting to 18 mph, in the evening, becoming 14 mph, gusting to 21 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 8°. UV index up to 2. Wind southwest around 12 mph, gusting to 22 mph, in the morning, becoming west-northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Partly cloudy. Breezy. Low 4°. Wind chill ranging from 0 to 4. Wind west-northwest around 11 mph, gusting to 20 mph, in the evening, becoming 15 mph, gusting to 24 mph, after midnight.
Saturday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. Windy and cold. High 6°. Wind chill around 0. Wind west-northwest around 19 mph, gusting to 30 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Saturday night
 
Partly cloudy. A chance of rain. Breezy and cold. Low 3°, but temperatures rising after midnight. Wind chill ranging from -2 to 1. Wind west-northwest around 16 mph, gusting to 23 mph, in the evening, becoming 11 mph, gusting to 21 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy in the morning, becoming cloudy in the afternoon. Breezy. High 8°. Wind west around 8 mph, gusting to 18 mph, in the morning, becoming 19 mph, gusting to 33 mph, in the afternoon.
Sunday night
 
Dense overcast in the evening, becoming cloudy after midnight. A chance of rain. Windy. Low 6°. Wind west around 24 mph, gusting to 32 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.

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