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

Fog
Fog
Wednesday

Fog a.m.
Fog a.m.
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
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Fog late
Fog late
Sunday

Fog a.m.
Fog a.m.
<2 mm. <5 mm. <2 mm.
Low: 12° High: 18° Low: 12° High: 18° Low: 11° High: 22° Low: 13° High: 22° Low: 11° High: 18°
                   
WSW
6-17
mph
Moderate breeze
W
9-22
mph
Fresh breeze
WSW
18-27
mph
Strong breeze
W
15-24
mph
Fresh breeze
W→SW
9-21→5
mph
Fresh breeze
SW
5→9-20
mph
Fresh breeze
SW
11-19
mph
Fresh breeze
WSW
15-26
mph
Strong breeze
WSW
9-19→6
mph
Fresh breeze
WSW
8-16
mph
Moderate breeze
UV: 4
 Medium 
UV: 6
 High 
UV: 6
 High 
UV: 6
 High 
UV: 4
 Medium 

 

Tonight
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain. Low 12°. Wind west-southwest around 6 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Mostly cloudy to cloudy. Patchy light fog in the morning. High 18°. UV index up to 4. Wind west around 9 mph, gusting to 22 mph.
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. Low 12°. Wind west-southwest around 18 mph, gusting to 27 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 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 around 15 mph, gusting to 24 mph.
Thursday night
 
Fair to partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 11°. Wind west around 9 mph, gusting to 21 mph, in the evening, becoming southwest around 5 mph after midnight.
Friday
 
Partly cloudy. Warm. High 22°. UV index up to 6. Wind southwest around 5 mph in the morning, becoming 9 mph, gusting to 20 mph, in the afternoon.
Friday night
 
Partly cloudy. Low 13°. Wind southwest around 11 mph, gusting to 19 mph.
Saturday
 
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the afternoon. Breezy and mild. High 22°. UV index up to 6. Wind west-southwest around 15 mph, gusting to 26 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Partly to mostly cloudy in the evening, becoming fair after midnight. Patchy light fog in the evening, then moderate fog after midnight. Low 11°. Wind west-southwest around 9 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight.
Sunday
 
Partly cloudy in the morning, becoming cloudy in the afternoon. Moderate fog in the morning, then patchy light fog in the afternoon. High 18°. UV index up to 4. Wind west-southwest around 8 mph, gusting to 16 mph.
Sunday night
 
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 13°. Wind west-southwest around 8 mph.
Monday
 
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Warm. High 24°. UV index up to 6. Wind west around 8 mph, gusting to 16 mph.
Monday night
 
Partly cloudy. Patchy light fog after midnight. Low 12°. Wind west-southwest around 4 mph.

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