| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Sunday, 20-Sep-2026 09:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind south-southwest around 5 mph. |
| Monday |
Cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A slight chance of rain in the afternoon. Mild. High 20°. UV index up to 3. Wind southwest around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Partly cloudy. Patchy light fog. A slight chance of rain. Low 12°. Wind south-southwest around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday |
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 18°. UV index up to 2. Wind south-southwest around 3 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A chance of rain. Low 13°. Wind south around 2 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the afternoon. A chance of rain. High 14°. UV index up to 2. Wind west-southwest around 6 mph, gusting to 17 mph, in the morning, becoming north-northwest around 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around 5 mm. |
| Wednesday night |
Partly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. Low 9°. Wind northwest around 9 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight. |
| Thursday |
Partly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Light to moderate fog in the morning, then patchy light fog in the afternoon. High 14°. UV index up to 2. Wind south-southwest around 4 mph in the morning, becoming 8 mph in the afternoon. |
| Thursday night |
Mostly cloudy. A chance of rain after midnight. Low 11°. Wind south-southwest around 8 mph, gusting to 16 mph, in the evening, becoming 12 mph, gusting to 21 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm. |
| Friday |
Partly cloudy. Patchy light fog in the morning. High 17°. UV index up to 3. Wind west-northwest around 8 mph, gusting to 18 mph. |
| Friday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Low 10°. Wind southwest around 6 mph. |
| Saturday |
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain in the afternoon. High 17°. UV index up to 2. Wind south-southwest around 6 mph in the morning, becoming 12 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Fair to partly cloudy. Patchy light fog after midnight. A chance of rain after midnight. Breezy. Low 10°. Wind southwest around 14 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.







