WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 16-May-2026 06:00 pm
 
Tonight

Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Rain likely
Rain likely
Monday

Chance rain
Chance rain
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Rain likely
Rain likely
Wednesday

Rain likely
Rain likely
Wednesday
night
Chance rain
Chance rain
Thursday

Chance rain
Chance rain
2 mm. <5 mm. 7 mm. 2 mm. 10 mm. 2 mm. <5 mm. 5 mm. 2 mm. <5 mm.
Low: 6° High: 9° Low: 5° High: 12° Low: 8° High: 14° Low: 10° High: 12° Low: 10° High: 17°
  WCh: 3°                
WSW
9-18
mph
Moderate breeze
W
11-19
mph
Fresh breeze
WSW
9-18→6
mph
Moderate breeze
WSW→NE
4
mph
Light breeze
SSW→SE
7-17→13-20
mph
Fresh breeze
SSW
12-20→15-23
mph
Fresh breeze
SSW
13-22→18-29
mph
Strong breeze
SSW
19-28
mph
Strong breeze
SW
16-25→12-20
mph
Strong breeze
SW
9-16
mph
Moderate breeze
UV: 2
 Low 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 2
 Low 
UV: 4
 Medium 

 

Tonight
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Cool. Low 6°. Wind west-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy and cool. High 9°. Wind chill ranging from 3 to 6. UV index up to 2. Wind west around 11 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
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. A slight chance of rain in the evening, then rain likely after midnight. Cool. Low 5°. Wind west-southwest around 9 mph, gusting to 18 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Monday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 12°. UV index up to 4. Wind west-southwest around 4 mph in the morning, becoming northeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Low 8°. Wind south-southwest around 7 mph, gusting to 17 mph, in the evening, becoming southeast around 13 mph, gusting to 20 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 14°. UV index up to 3. Wind south-southwest around 12 mph, gusting to 20 mph, in the morning, becoming 15 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Cloudy in the evening, becoming dense overcast after midnight. Rain likely. Breezy. Low 10°. Wind south-southwest around 13 mph, gusting to 22 mph, in the evening, becoming 18 mph, gusting to 29 mph, after midnight. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Wednesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Windy. High 12°. UV index up to 2. Wind south-southwest around 19 mph, gusting to 28 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Mostly cloudy 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. Breezy. Low 10°. Wind southwest around 16 mph, gusting to 25 mph, in the evening, becoming 12 mph, gusting to 20 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind southwest around 9 mph, gusting to 16 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Cloudy. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind southwest around 7 mph, gusting to 15 mph, in the evening, becoming south after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. A slight chance of rain in the morning. High 18°. UV index up to 4. Wind south-southeast around 10 mph, gusting to 18 mph, in the morning, becoming southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind southwest around 9 mph, gusting to 17 mph.

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