WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Friday, 12-Jun-2026 09:00 pm
 
Tonight

Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Partly Cloudy
Partly Cloudy
Sunday

Mostly Cloudy
Mostly Cloudy
Sunday
night
Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Chance rain
Chance rain
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog late
Fog late
Wednesday

Fog a.m.
Fog a.m.
<2 mm. <5 mm. 20 mm. <2 mm.
Low: 9° High: 13° Low: 7° High: 17° Low: 10° High: 17° Low: 11° High: 15° Low: 11° High: 16°
                   
W
15-24
mph
Fresh breeze
W
16-24
mph
Fresh breeze
W
11-21→7
mph
Fresh breeze
NW→N
5
mph
Light breeze
E
6
mph
Light breeze
ESE
11-19
mph
Fresh breeze
SE→SW
5
mph
Light breeze
S
8→12-19
mph
Fresh breeze
SW
12-19
mph
Fresh breeze
SW
14-23
mph
Fresh breeze
UV: 5
 Medium 
UV: 3
 Medium 
UV: 4
 Medium 
UV: 2
 Low 
UV: 5
 Medium 

 

Tonight
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Breezy and cool. Low 9°. Wind west around 15 mph, gusting to 24 mph.
Saturday
 
Partly to mostly cloudy. Breezy and cool. High 13°. UV index up to 5. Wind west around 16 mph, gusting to 24 mph.
Saturday night
 
Mostly cloudy in the evening, becoming partly cloudy after midnight. Cool. Low 7°. Wind west around 11 mph, gusting to 21 mph, in the evening, becoming 7 mph after midnight.
Sunday
 
Mostly cloudy to cloudy. High 17°. UV index up to 3. Wind northwest around 5 mph in the morning, becoming north in the afternoon.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 10°. Wind east around 6 mph.
Monday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind east-southeast around 11 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 11°. Wind southeast around 5 mph in the evening, becoming southwest after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. Rain likely. High 15°. UV index up to 2. Wind south around 8 mph in the morning, becoming 12 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Tuesday night
 
Mostly cloudy to cloudy. Patchy light fog after midnight. A chance of rain. Breezy. Low 11°. Wind southwest around 12 mph, gusting to 19 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Partly to mostly cloudy. Patchy light fog in the morning. Breezy. High 16°. UV index up to 5. Wind southwest around 14 mph, gusting to 23 mph.
Wednesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind southwest around 12 mph, gusting to 22 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy. Patchy light fog in the morning. A slight chance of rain. High 16°. UV index up to 3. Wind west-southwest around 6 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 12°. Wind southeast around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.

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