WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 13-May-2026 06:00 am
 
Today

Rain likely
Rain likely
Tonight

Rain likely
Rain likely
Thursday

Rain likely
Rain likely
Thursday
night
Rain likely
Rain likely
Friday

Fog a.m.
Fog a.m.
Friday
night
Chance rain
Chance rain
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Chance rain
Chance rain
15 mm. 15 mm. 10 mm. 7 mm. <2 mm. <5 mm. <2 mm. <2 mm.
High: 9° Low: 5° High: 9° Low: 5° High: 10° Low: 5° High: 10° Low: 7°
    WCh: 2° WCh: 1°        
NNW
19-28
mph
Strong breeze
NNW
13-23
mph
Fresh breeze
NNW
10-20
mph
Fresh breeze
NNW
11-21→7-17
mph
Fresh breeze
NW
11-20
mph
Fresh breeze
NW
10-20→6
mph
Fresh breeze
WSW
8-17
mph
Moderate breeze
WSW
7-18
mph
Moderate breeze
UV: 3
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 

 

Today
 
Cloudy in the morning, becoming partly cloudy in the afternoon. Rain likely. Windy and cold. High 9°. Wind chill around 3. UV index up to 3. Wind north-northwest around 19 mph, gusting to 28 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Tonight
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then rain likely after midnight. Breezy and cool. Low 5°. Wind chill as low as 1. Wind north-northwest around 13 mph, gusting to 23 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Cold. High 9°. Wind chill ranging from 2 to 5. UV index up to 3. Wind north-northwest around 10 mph, gusting to 20 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely. Cool. Low 5°. Wind chill ranging from 1 to 4. Wind north-northwest around 11 mph, gusting to 21 mph, in the evening, becoming 7 mph, gusting to 17 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Friday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. Breezy and cool. High 10°. UV index up to 4. Wind northwest around 11 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Cool. Low 5°. Wind northwest around 10 mph, gusting to 20 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Cool. High 10°. UV index up to 3. Wind west-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 7°. Wind west-southwest around 7 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. A chance of rain in the morning, then a slight chance of rain in the afternoon. Cool. High 10°. UV index up to 2. Wind west-southwest around 6 mph, gusting to 15 mph, in the morning, becoming 9 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 7°. Wind southwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 11°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast. A chance of rain. Breezy. Low 9°, but temperatures rising after midnight. Wind south-southeast around 9 mph, gusting to 19 mph, in the evening, becoming 13 mph, gusting to 20 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 14°. UV index up to 3. Wind south-southeast around 12 mph, gusting to 21 mph, in the morning, becoming south-southwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Mostly cloudy to cloudy. Patchy light fog after midnight. A chance of rain. Breezy. Low 10°. Wind south-southwest around 12 mph, gusting to 19 mph. 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.