WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Sunday, 02-Aug-2026 11:00 am
 
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Monday

Mostly Cloudy
Mostly Cloudy
Monday
night
Rain likely
Rain likely
Tuesday

Chance rain
Chance rain
Tuesday
night
Chance rain
Chance rain
Wednesday

Chance rain
Chance rain
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Chance rain
Chance rain
Thursday
night
Fog late
Fog late
<2 mm. 10 mm. 2 mm. 2 mm. 2 mm. <2 mm. 5 mm. <2 mm.
High: 24° Low: 14° High: 26° Low: 16° High: 21° Low: 15° High: 17° Low: 11° High: 15° Low: 11°
                   
ENE
6-15
mph
Moderate breeze
NE→ESE
6
mph
Light breeze
SE
9-18
mph
Moderate breeze
N→ESE
2→6
mph
Light breeze
S
9-19
mph
Fresh breeze
SSW→WSW
8-17
mph
Moderate breeze
W
11-21→15-25
mph
Strong breeze
W
15-24
mph
Fresh breeze
WNW
14-24
mph
Fresh breeze
WNW→SW
6-17→3
mph
Moderate breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 4
 Medium 
UV: 4
 Medium 
UV: 5
 Medium 

 

This afternoon
 
Mostly cloudy to cloudy. Warm. High 24°. UV index up to 4. Wind east-northeast around 6 mph, gusting to 15 mph.
Tonight
 
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 14°. Wind northeast around 6 mph in the evening, becoming east-southeast after midnight.
Monday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the afternoon. Unusually warm. High 26°. UV index up to 5. Wind southeast around 9 mph, gusting to 18 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Monday night
 
Cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Rain likely. Low 16°. Wind north around 2 mph in the evening, becoming east-southeast around 6 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Tuesday
 
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain. Mild. High 21°. UV index up to 4. Wind south around 9 mph, gusting to 19 mph. Chance of precipitation 50 percent. Precipitation mostly around 2 mm.
Tuesday night
 
Partly 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. Low 15°. Wind south-southwest around 8 mph, gusting to 17 mph, in the evening, becoming west-southwest after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday
 
Mostly cloudy. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 17°. UV index up to 4. Wind west around 11 mph, gusting to 21 mph, in the morning, becoming 15 mph, gusting to 25 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Wednesday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A chance of rain. Breezy and cool. Low 11°. Wind west around 15 mph, gusting to 24 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Thursday
 
Mostly cloudy to cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy and cool. High 15°. UV index up to 5. Wind west-northwest around 14 mph, gusting to 24 mph. Chance of precipitation 50 percent. Precipitation mostly around 5 mm.
Thursday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 11°. Wind west-northwest around 6 mph, gusting to 17 mph, in the evening, becoming southwest around 3 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy to cloudy in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning, then light to moderate fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Cool. High 15°. UV index up to 3. Wind southwest around 5 mph in the morning, becoming northwest in the afternoon. Chance of precipitation 70 percent. Precipitation mostly around 10 mm.
Friday night
 
Mostly cloudy. Patchy light fog. A slight chance of rain. Low 12°. Wind west around 3 mph in the evening, becoming south-southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain. High 18°. UV index up to 4. Wind south-southwest around 3 mph in the morning, becoming west-northwest in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 13°. Wind southwest around 4 mph in the evening, becoming south after midnight.

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