WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Saturday, 16-May-2026 11:00 am
 
This
afternoon
Chance rain
Chance rain
Tonight

Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Chance rain
Chance rain
Monday

Chance rain
Chance rain
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Mostly Cloudy
Mostly Cloudy
2 mm. 2 mm. 2 mm. 2 mm. 2 mm. 7 mm. <2 mm. <2 mm.
High: 11° Low: 5° High: 10° Low: 5° High: 12° Low: 8° High: 13° Low: 9°
  WCh: 2° WCh: 2°          
WSW
7-15
mph
Moderate breeze
WSW
9-16
mph
Moderate breeze
WSW
11-20
mph
Fresh breeze
WSW
10-18→6
mph
Moderate breeze
SW→NNE
3
mph
Light air
SSE
7-18→13-20
mph
Fresh breeze
SSW
10-17→14-23
mph
Fresh breeze
SSW
16-24→12-19
mph
Fresh breeze
UV: 2
 Low 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 2
 Low 

 

This afternoon
 
Dense overcast. Patchy light fog. A chance of rain. High 11°. UV index up to 2. Wind west-southwest around 7 mph, gusting to 15 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Tonight
 
Mostly cloudy to 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 5°. Wind chill ranging from 2 to 6. Wind west-southwest around 9 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy 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 and cool. High 10°. Wind chill ranging from 2 to 6. UV index up to 3. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Cool. Low 5°. Wind west-southwest around 10 mph, gusting to 18 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday
 
Partly to mostly cloudy. Light to moderate fog in the morning. A chance of rain. High 12°. UV index up to 4. Wind southwest around 3 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast. Patchy light fog. Rain likely. Low 8°. Wind south-southeast around 7 mph, gusting to 18 mph, in the evening, becoming 13 mph, gusting to 20 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Tuesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 13°. UV index up to 2. Wind south-southwest around 10 mph, gusting to 17 mph, in the morning, becoming 14 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy to cloudy. A slight chance of rain. Breezy. Low 9°. Wind south-southwest around 16 mph, gusting to 24 mph, in the evening, becoming 12 mph, gusting to 19 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 15°. UV index up to 4. Wind south-southwest around 14 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to 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 13 mph, gusting to 21 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Thursday
 
Dense overcast. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 14°. UV index up to 2. Wind southwest around 10 mph, gusting to 17 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Thursday night
 
Cloudy. Low 11°. Wind south-southeast around 6 mph.
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. High 16°. UV index up to 3. Wind south-southeast around 5 mph in the morning, becoming south-southwest in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 15 mph.

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