WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 30-Aug-2026 03:00 pm
 
This
afternoon
Chance rain
Chance rain
Tonight

Chance rain
Chance rain
Monday

Chance rain
Chance rain
Monday
night
Fog late
Fog late
Tuesday

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

Chance rain
Chance rain
Wednesday
night
Mostly Cloudy
Mostly Cloudy
<5 mm. <5 mm. <5 mm. <2 mm. <5 mm. <5 mm. <2 mm.
High: 20° Low: 13° High: 15° Low: 10° High: 17° Low: 13° High: 15° Low: 13°
               
SSW
8-18
mph
Moderate breeze
SW
7-18
mph
Moderate breeze
WSW
15-23
mph
Fresh breeze
WSW
7-21
mph
Fresh breeze
WSW
11-19
mph
Fresh breeze
WSW
9-18
mph
Moderate breeze
WSW
9-16→13-20
mph
Fresh breeze
WSW
15-24
mph
Fresh breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 3
 Medium 
UV: 2
 Low 

 

This afternoon
 
Cloudy. Light to moderate fog. A chance of rain. Precipitation showery or intermittent. High 20°. UV index up to 2. Wind south-southwest around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Moderate fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 13°. Wind southwest around 7 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming 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. Breezy. High 15°. UV index up to 2. Wind west-southwest around 15 mph, gusting to 23 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Monday night
 
Mostly cloudy to cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 10°. Wind west-southwest around 7 mph, gusting to 21 mph.
Tuesday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 17°. UV index up to 3. Wind west-southwest around 11 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday 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 13°. Wind west-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog. A chance of rain. Breezy. High 15°. UV index up to 2. Wind west-southwest around 9 mph, gusting to 16 mph, in the morning, becoming 13 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. A slight chance of rain. Breezy. Low 13°. Wind west-southwest around 15 mph, gusting to 24 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly cloudy. A chance of rain. Breezy. High 18°. UV index up to 3. Wind west-southwest around 16 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then rain likely after midnight. Windy. Low 14°. Wind west-southwest around 18 mph, gusting to 28 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Friday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Windy. High 17°. UV index up to 3. Wind west-southwest around 19 mph, gusting to 28 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Friday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. A chance of rain. Windy. Low 11°. Wind west-southwest around 18 mph, gusting to 27 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain. Breezy. High 15°. UV index up to 3. Wind west-southwest around 16 mph, gusting to 25 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy. A slight chance of rain. Low 11°. Wind west-southwest around 9 mph, gusting to 18 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.