WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 30-Sep-2026 11:00 am
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Chance rain
Chance rain
Thursday

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

Rain likely
Rain likely
Friday
night
Rain likely
Rain likely
Saturday

Fog a.m.
Fog a.m.
Saturday
night
Partly Cloudy
Partly Cloudy
<2 mm. <5 mm. <2 mm. <5 mm. 7 mm. 7 mm.
High: 20° Low: 12° High: 17° Low: 10° High: 14° Low: 11° High: 16° Low: 10°
               
SSE
13-23
mph
Fresh breeze
SSE
9-19
mph
Fresh breeze
SSW
9-18
mph
Moderate breeze
SW
10-17
mph
Moderate breeze
SW
13-21
mph
Fresh breeze
SW
13-20→7
mph
Fresh breeze
W→NW
3
mph
Light air
SSW
3→9-17
mph
Moderate breeze
UV: 2
 Low 
UV: 2
 Low 
UV: 2
 Low 

 

This afternoon
 
Partly cloudy. A chance of rain. Breezy and mild. High 20°. UV index up to 2. Wind south-southeast around 13 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tonight
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain. Low 12°. Wind south-southeast around 9 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Partly cloudy. Patchy light fog in the morning. A slight chance of rain. High 17°. UV index up to 2. Wind south-southwest around 9 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 10°. Wind southwest around 10 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Friday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Rain likely. Breezy. High 14°. Wind southwest around 13 mph, gusting to 21 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Friday night
 
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. Rain likely. Low 11°. Wind southwest around 13 mph, gusting to 20 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm.
Saturday
 
Partly cloudy. Patchy light fog in the morning. High 16°. UV index up to 2. Wind west around 3 mph in the morning, becoming northwest in the afternoon.
Saturday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 10°. Wind south-southwest around 3 mph in the evening, becoming 9 mph, gusting to 17 mph, after midnight.
Sunday
 
Cloudy 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. Breezy. High 15°. Wind south-southwest around 12 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. Low 11°. Wind west-southwest around 6 mph.
Monday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 16°. UV index up to 2. Wind west-southwest around 8 mph, gusting to 16 mph.
Monday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain after midnight. Breezy. Low 11°. Wind west-southwest around 8 mph, gusting to 15 mph, in the evening, becoming 14 mph, gusting to 23 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Tuesday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Breezy. High 13°. UV index up to 2. Wind northwest around 13 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 8°. Wind northwest around 12 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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