WXSIM Forecast for: Colwyn Bay
Issued by: Saratoga-Weather.org
Updated: Wednesday, 03-Jun-2026 09:00 pm
 
Tonight

Chance rain
Chance rain
Thursday

Rain likely
Rain likely
Thursday
night
Fog late
Fog late
Friday

Fog a.m.
Fog a.m.
Friday
night
Chance rain
Chance rain
Saturday

Chance rain
Chance rain
Saturday
night
Fog late
Fog late
Sunday

Rain likely
Rain likely
Sunday
night
Rain likely
Rain likely
Monday

Chance rain
Chance rain
<2 mm. 5 mm. <2 mm. <2 mm. <2 mm. <2 mm. 25 mm. 15 mm. 2 mm.
Low: 10° High: 13° Low: 9° High: 14° Low: 9° High: 15° Low: 9° High: 13° Low: 11° High: 14°
                   
SSW
14-24
mph
Fresh breeze
WSW
16-25
mph
Strong breeze
W
15-22
mph
Fresh breeze
WSW
11-20
mph
Fresh breeze
S
8-16→11-19
mph
Fresh breeze
SE
14-23→11-21
mph
Fresh breeze
W
9-17
mph
Moderate breeze
SW
8-15→12-19
mph
Fresh breeze
SW
10-17
mph
Moderate breeze
WNW
11-20
mph
Fresh breeze
UV: 4
 Medium 
UV: 5
 Medium 
UV: 3
 Medium 
UV: 2
 Low 
UV: 5
 Medium 

 

Tonight
 
Cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 10°. Wind south-southwest around 14 mph, gusting to 24 mph. Chance of precipitation 50 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. Rain likely. Windy and cool. High 13°. UV index up to 4. Wind west-southwest around 16 mph, gusting to 25 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Thursday night
 
Mostly cloudy. Patchy light fog after midnight. A chance of rain. Breezy and cool. Low 9°. Wind west around 15 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 14°. UV index up to 5. Wind west-southwest around 11 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
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 9°. Wind south around 8 mph, gusting to 16 mph, in the evening, becoming 11 mph, gusting to 19 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday
 
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning. A slight chance of rain in the morning, then a chance of rain in the afternoon. Breezy. High 15°. UV index up to 3. Wind southeast around 14 mph, gusting to 23 mph, in the morning, becoming 11 mph, gusting to 21 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Saturday night
 
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 9°. Wind west around 9 mph, gusting to 17 mph.
Sunday
 
Cloudy in the morning, becoming dense overcast in the afternoon. Patchy light fog. Rain likely. Cool. High 13°. UV index up to 2. Wind southwest around 8 mph, gusting to 15 mph, in the morning, becoming 12 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 20 and 30 mm.
Sunday night
 
Dense overcast. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Low 11°. Wind southwest around 10 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.
Monday
 
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. Breezy. High 14°. UV index up to 5. Wind west-northwest around 11 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Monday night
 
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Cool. Low 8°. Wind west-southwest around 10 mph, gusting to 19 mph, in the evening, becoming 6 mph after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday
 
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. Breezy. High 13°. UV index up to 5. Wind west-southwest around 9 mph, gusting to 19 mph, in the morning, becoming 13 mph, gusting to 23 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Tuesday night
 
Dense overcast. A chance of rain in the evening, then rain likely after midnight. Windy and cool. Low 9°. Wind south around 13 mph, gusting to 22 mph, in the evening, becoming 21 mph, gusting to 35 mph, after midnight. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm.

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