WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 30-Jun-2026 06:00 am
 
Today

Rain likely
Rain likely
Tonight

Fog late
Fog late
Wednesday

Mostly Cloudy
Mostly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
10 mm. <2 mm. 2 mm. <2 mm.
High: 18° Low: 13° High: 19° Low: 13° High: 18° Low: 11° High: 21° Low: 13°
               
S
8-18
mph
Moderate breeze
SW→WNW
7-17
mph
Moderate breeze
WNW→WSW
10-22
mph
Fresh breeze
WSW
16-26
mph
Strong breeze
WNW
13-23
mph
Fresh breeze
W→SW
6-19
mph
Fresh breeze
SW
6-16→12-24
mph
Fresh breeze
SW
15-23
mph
Fresh breeze
UV: 3
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 

 

Today
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the afternoon. Rain likely. High 18°, but temperatures falling in the afternoon. UV index up to 3. Wind south around 8 mph, gusting to 18 mph. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tonight
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. Low 13°. Wind southwest around 7 mph, gusting to 17 mph, in the evening, becoming west-northwest after midnight.
Wednesday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. High 19°. UV index up to 6. Wind west-northwest around 10 mph, gusting to 22 mph, in the morning, becoming west-southwest in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Windy. Low 13°. Wind west-southwest around 16 mph, gusting to 26 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Thursday
 
Mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Breezy. High 18°. UV index up to 6. Wind west-northwest around 13 mph, gusting to 23 mph.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 6 mph, gusting to 19 mph, in the evening, becoming southwest after midnight.
Friday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. High 21°. UV index up to 6. Wind southwest around 6 mph, gusting to 16 mph, in the morning, becoming 12 mph, gusting to 24 mph, in the afternoon.
Friday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A slight chance of rain. Breezy. Low 13°. Wind southwest around 15 mph, gusting to 23 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy. High 20°. UV index up to 6. Wind west around 14 mph, gusting to 23 mph.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain. Low 11°. Wind northwest around 9 mph, gusting to 19 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday
 
Sunny. High 20°. UV index up to 6. Wind northwest around 9 mph, gusting to 18 mph.
Sunday night
 
Mostly cloudy in the evening, becoming dense overcast after midnight. Low 12°. Wind west around 6 mph.
Monday
 
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 15°. UV index up to 2. Wind west-southwest around 11 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 13°. Wind west-southwest around 13 mph, gusting to 22 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.

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