| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Monday, 21-Sep-2026 11:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Partly to mostly cloudy. Mild. High 21°. UV index up to 3. Wind west-southwest around 5 mph. |
| Tonight |
Partly cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. Low 14°. Wind south-southwest around 4 mph. |
| Tuesday |
Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Mild. High 19°. UV index up to 2. Wind south-southwest around 3 mph in the morning, becoming north-northeast in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Tuesday night |
Cloudy. Patchy light fog. A chance of rain. Low 14°. Wind southeast around 3 mph in the evening, becoming southwest after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog. A chance of rain. High 15°, but temperatures falling in the afternoon. UV index up to 2. Wind southwest around 9 mph, gusting to 19 mph, in the morning, becoming northwest in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Partly cloudy. Patchy light fog in the evening, then moderate fog after midnight. Low 9°. Wind northwest around 4 mph, gusting to 16 mph, in the evening, becoming south after midnight. |
| Thursday |
Partly cloudy in the morning, becoming mostly cloudy in the afternoon. Light to moderate fog in the morning. High 17°. UV index up to 2. Wind south around 8 mph, gusting to 17 mph. |
| Thursday night |
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog after midnight. A chance of rain after midnight. Low 11°. Wind south-southwest around 6 mph, gusting to 15 mph, in the evening, becoming 10 mph, gusting to 19 mph, after midnight. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Friday |
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 17°. UV index up to 2. Wind west around 7 mph, gusting to 15 mph. |
| Friday night |
Mostly cloudy. A slight chance of rain. Low 11°. Wind west-southwest around 6 mph, gusting to 15 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A chance of rain. High 15°. UV index up to 2. Wind south-southwest around 7 mph, gusting to 17 mph, in the morning, becoming 11 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog. A slight chance of rain. Low 11°. Wind south-southwest around 7 mph, gusting to 15 mph, in the evening, becoming 11 mph, gusting to 21 mph, after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Sunday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. High 14°. UV index up to 2. Wind west-southwest around 9 mph, gusting to 19 mph. |
| Sunday night |
Partly cloudy in the evening, becoming cloudy after midnight. Low 11°. Wind south around 7 mph, gusting to 16 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.







