WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 26-Jul-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Monday

Chance rain
Chance rain
Monday
night
Overcast
Overcast
Tuesday

Chance rain
Chance rain
Tuesday
night
Fog late
Fog late
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
<5 mm. 2 mm. <2 mm. <5 mm. <2 mm. <2 mm.
Low: 11° High: 16° Low: 14° High: 17° Low: 14° High: 23° Low: 14° High: 17°
               
NW
15-25→12-20
mph
Strong breeze
W
11-19
mph
Fresh breeze
SW
11-18
mph
Moderate breeze
SW
12-19
mph
Fresh breeze
SW
10-16→6
mph
Moderate breeze
SSW
7-17→10-19
mph
Fresh breeze
SW
7-18
mph
Moderate breeze
WSW→WNW
10-19
mph
Fresh breeze
UV: 3
 Medium 
UV: 2
 Low 
UV: 5
 Medium 
UV: 5
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cool. Low 11°. Wind northwest around 15 mph, gusting to 25 mph, in the evening, becoming 12 mph, gusting to 20 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Monday
 
Mostly cloudy to cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 16°. UV index up to 3. Wind west around 11 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Dense overcast. A slight chance of rain. Breezy. Low 14°. Wind southwest around 11 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Dense overcast. A chance of rain. Breezy. High 17°. UV index up to 2. Wind southwest around 12 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Tuesday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind southwest around 10 mph, gusting to 16 mph, in the evening, becoming 6 mph after midnight.
Wednesday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A slight chance of rain. Warm. High 23°. UV index up to 5. Wind south-southwest around 7 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday night
 
Cloudy. Patchy light fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind southwest around 7 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 17°. UV index up to 5. Wind west-southwest around 10 mph, gusting to 19 mph, in the morning, becoming west-northwest in the afternoon.
Thursday night
 
Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Low 11°. Wind west around 6 mph, gusting to 16 mph, in the evening, becoming 3 mph after midnight.
Friday
 
Partly to mostly sunny. High 19°. UV index up to 5. Wind west-southwest around 5 mph in the morning, becoming northwest in the afternoon.
Friday night
 
Mostly clear in the evening, becoming fair after midnight. Cool. Low 10°. Wind southwest around 4 mph.
Saturday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. High 19°. UV index up to 5. Wind west around 7 mph, gusting to 17 mph.
Saturday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind west-southwest around 7 mph.

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