WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 16-Jun-2026 03:00 pm
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Rain likely
Rain likely
Wednesday

Fog a.m.
Fog a.m.
Wednesday
night
Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Chance rain
Chance rain
Friday

Chance rain
Chance rain
Friday
night
Chance rain
Chance rain
Saturday

Chance rain
Chance rain
Saturday
night
Fog late
Fog late
7 mm. 2 mm. 15 mm. <2 mm. 2 mm. <2 mm. <5 mm.
High: 22° Low: 13° High: 19° Low: 12° High: 18° Low: 15° High: 23° Low: 13° High: 16° Low: 11°
                   
SSW
12-24
mph
Fresh breeze
SSW
10-19
mph
Fresh breeze
SSW
10-21
mph
Fresh breeze
SSW
11-21
mph
Fresh breeze
S
9-18→13-21
mph
Fresh breeze
S
11-19
mph
Fresh breeze
S
13-23
mph
Fresh breeze
SW
11-20
mph
Fresh breeze
W→NNW
5→2
mph
Light breeze
ENE
3
mph
Light air
UV: 5
 Medium 
UV: 6
 High 
UV: 3
 Medium 
UV: 6
 High 
UV: 2
 Low 

 

This afternoon
 
Mostly cloudy to cloudy. Breezy and mild. High 22°. UV index up to 5. Wind south-southwest around 12 mph, gusting to 24 mph.
Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. Rain likely. Low 13°. Wind south-southwest around 10 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning. High 19°. UV index up to 6. Wind south-southwest around 10 mph, gusting to 21 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain after midnight. Low 12°. Wind south-southwest around 11 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Cloudy. Patchy light fog in the morning. Rain likely in the morning, then a slight chance of rain in the afternoon. Breezy. High 18°. UV index up to 3. Wind south around 9 mph, gusting to 18 mph, in the morning, becoming 13 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Thursday night
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. A chance of rain. Breezy. Low 15°. Wind south around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain in the afternoon. Breezy and warm. High 23°. UV index up to 6. Wind south around 13 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Cloudy. Patchy light fog. A chance of rain. Low 13°. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast. Patchy light fog. A chance of rain. High 16°. UV index up to 2. Wind west around 5 mph in the morning, becoming north-northwest around 2 mph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Saturday night
 
Partly cloudy. Patchy light fog after midnight. Low 11°. Wind east-northeast around 3 mph.
Sunday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. High 20°. UV index up to 4. Wind east-northeast around 6 mph.
Sunday night
 
Cloudy in the evening, becoming dense overcast after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 14°. Wind west-northwest near calm in the evening, becoming east-northeast after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog. Rain likely. High 17°. UV index up to 4. Wind southeast around 2 mph in the morning, becoming west-southwest around 6 mph in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain. Breezy. Low 12°. Wind west-southwest around 10 mph, gusting to 17 mph, in the evening, becoming 13 mph, gusting to 22 mph, after midnight. 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.