WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Tuesday, 04-Aug-2026 03:00 pm
 
This
afternoon
Cloudy
Cloudy
Tonight

Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Chance rain
Chance rain
Thursday

Fog a.m.
Fog a.m.
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Chance rain
Chance rain
Friday
night
Fog late
Fog late
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
2 mm. <5 mm. <5 mm. <2 mm. 2 mm.
High: 23° Low: 15° High: 16° Low: 10° High: 15° Low: 9° High: 18° Low: 11° High: 21° Low: 15°
                   
SSW
13-23
mph
Fresh breeze
SW
11-20
mph
Fresh breeze
W
14-24→18-27
mph
Strong breeze
W
13-23
mph
Fresh breeze
W
11-20
mph
Fresh breeze
WSW
7-16
mph
Moderate breeze
SW
7-16
mph
Moderate breeze
SW
6-15
mph
Moderate breeze
SW
10-19→14-24
mph
Fresh breeze
SW
11-22→7
mph
Fresh breeze
UV: 3
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 

 

This afternoon
 
Cloudy. Breezy and warm. High 23°. UV index up to 3. Wind south-southwest around 13 mph, gusting to 23 mph.
Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 15°. Wind southwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Windy. High 16°. UV index up to 4. Wind west around 14 mph, gusting to 24 mph, in the morning, becoming 18 mph, gusting to 27 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Wednesday night
 
Partly cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy and cool. Low 10°. Wind west around 13 mph, gusting to 23 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm.
Thursday
 
Mostly cloudy. Patchy light fog in the morning. A slight chance of rain. Breezy and cool. High 15°. UV index up to 4. Wind west around 11 mph, gusting to 20 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Cool. Low 9°. Wind west-southwest around 7 mph, gusting to 16 mph.
Friday
 
Partly to mostly cloudy. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 18°. UV index up to 4. Wind southwest around 7 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Friday night
 
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Cool. Low 11°. Wind southwest around 6 mph, gusting to 15 mph.
Saturday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy and mild. High 21°. UV index up to 4. Wind southwest around 10 mph, gusting to 19 mph, in the morning, becoming 14 mph, gusting to 24 mph, in the afternoon.
Saturday night
 
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 15°. Wind southwest around 11 mph, gusting to 22 mph, in the evening, becoming 7 mph after midnight.
Sunday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Warm. High 23°. UV index up to 5. Wind southwest around 3 mph in the morning, becoming northwest in the afternoon.
Sunday night
 
Clear in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. Low 12°. Wind west around 5 mph.
Monday
 
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. High 19°. UV index up to 3. Wind west around 8 mph, gusting to 16 mph.
Monday night
 
Partly to mostly cloudy. Low 12°. Wind west-northwest around 3 mph in the evening, becoming southeast after midnight.

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