WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Thursday, 25-Jun-2026 09:00 pm
 
Tonight

Thunder storm
Thunder storm
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Chance rain
Chance rain
Sunday

Fog a.m.
Fog a.m.
Sunday
night
Partly Cloudy
Partly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm.
Low: 22° High: 32° Low: 19° High: 25° Low: 16° High: 18° Low: 11° High: 19°
  Heat: 34°            
SE
11-20→5
mph
Fresh breeze
SSW
5-18→12-24
mph
Fresh breeze
SSW
6-21
mph
Fresh breeze
SSW
10-22→13-23
mph
Fresh breeze
SSW
10-21
mph
Fresh breeze
SSW→W
9-18→12-22
mph
Fresh breeze
W
12-22→9-15
mph
Fresh breeze
WSW
9-18
mph
Moderate breeze
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 5
 Medium 

 

Tonight
 
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. A slight chance of rain after midnight. Scattered thundershowers possible. Unusually warm. Low 22°. Wind southeast around 11 mph, gusting to 20 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Friday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Near record warmth. High 32°. Heat index up to 34°. UV index up to 6. Wind south-southwest around 5 mph, gusting to 18 mph, in the morning, becoming 12 mph, gusting to 24 mph, in the afternoon.
Friday night
 
Fair to partly cloudy in the evening, becoming mostly cloudy after midnight. Mild. Low 19°. Wind south-southwest around 6 mph, gusting to 21 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and unusually warm. High 25°. UV index up to 6. Wind south-southwest around 10 mph, gusting to 22 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon.
Saturday night
 
Mostly 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 16°. Wind south-southwest around 10 mph, gusting to 21 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 18°. UV index up to 6. Wind south-southwest around 9 mph, gusting to 18 mph, in the morning, becoming west around 12 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Sunday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 12 mph, gusting to 22 mph, in the evening, becoming 9 mph, gusting to 15 mph, after midnight.
Monday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. High 19°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 18 mph.
Monday night
 
Partly cloudy. Low 10°. Wind south-southwest around 6 mph, gusting to 16 mph, in the evening, becoming 3 mph after midnight.
Tuesday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 19°. UV index up to 4. Wind south around 3 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Mostly cloudy in the evening, becoming cloudy after midnight. Low 13°. Wind east-southeast around 3 mph in the evening, becoming south-southeast after midnight.
Wednesday
 
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 17°. UV index up to 3. Wind south around 7 mph in the morning, becoming southwest around 11 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Windy and cool. Low 11°. Wind west around 18 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.

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