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

Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Fog late
Fog late
Monday

Rain likely
Rain likely
Monday
night
Chance rain
Chance rain
Tuesday

Rain likely
Rain likely
Tuesday
night
Fog
Fog
Wednesday

Rain likely
Rain likely
Wednesday
night
Chance rain
Chance rain
Thursday

Chance rain
Chance rain
2 mm. <5 mm. <2 mm. 20 mm. <5 mm. 7 mm. <2 mm. 5 mm. <2 mm. <2 mm.
Low: 11° High: 15° Low: 11° High: 13° Low: 12° High: 15° Low: 11° High: 14° Low: 10° High: 13°
                   
SW
9-17
mph
Moderate breeze
W
9-18
mph
Moderate breeze
SW
9-17
mph
Moderate breeze
SW
10-17
mph
Moderate breeze
SW
10-16→7
mph
Moderate breeze
W
10-19
mph
Fresh breeze
W→SW
7-18
mph
Moderate breeze
SW
12-19→16-26
mph
Strong breeze
SW
19-29
mph
Strong breeze
SW
22-31
mph
Strong breeze
UV: 4
 Medium 
UV: 4
 Medium 
UV: 3
 Medium 
UV: 5
 Medium 

 

Tonight
 
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind southwest around 9 mph, gusting to 17 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.
Sunday
 
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. A chance of rain. High 15°. UV index up to 4. Wind west around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm.
Sunday night
 
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain after midnight. Low 11°. Wind southwest around 9 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Monday
 
Dense overcast. Patchy light fog. A chance of rain in the morning, then rain likely in the afternoon. High 13°. Wind southwest around 10 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 20 mm.
Monday night
 
Dense overcast in the evening, becoming cloudy after midnight. Light to moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind southwest around 10 mph, gusting to 16 mph, in the evening, becoming 7 mph after midnight. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm.
Tuesday
 
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. Rain likely. High 15°. UV index up to 4. Wind west around 10 mph, gusting to 19 mph. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm.
Tuesday night
 
Partly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A slight chance of rain. Low 11°. Wind west around 7 mph, gusting to 18 mph, in the evening, becoming southwest after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm.
Wednesday
 
Dense overcast in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. Rain likely. Breezy. High 14°. UV index up to 3. Wind southwest around 12 mph, gusting to 19 mph, in the morning, becoming 16 mph, gusting to 26 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm.
Wednesday night
 
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. A chance of rain. Windy. Low 10°. Wind southwest around 19 mph, gusting to 29 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday
 
Cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. Windy. High 13°. UV index up to 5. Wind southwest around 22 mph, gusting to 31 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm.
Thursday night
 
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain. Breezy. Low 10°. Wind west-southwest around 16 mph, gusting to 27 mph, in the evening, becoming 8 mph, gusting to 18 mph, after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday
 
Cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. High 13°. UV index up to 3. Wind northwest around 4 mph, gusting to 16 mph, in the morning, becoming 13 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm.
Friday night
 
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. A chance of rain. Windy. Low 9°. Wind west-northwest around 17 mph, gusting to 27 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm.

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