| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Friday, 18-Sep-2026 11:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Dense overcast. A chance of rain. Windy. High 15°. UV index up to 2. Wind south-southwest around 18 mph, gusting to 29 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Tonight |
Cloudy. A chance of rain. Windy. Low 12°, but temperatures rising after midnight. Wind south-southwest around 17 mph, gusting to 25 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Breezy. High 16°. UV index up to 3. Wind west-southwest around 15 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. Breezy. Low 11°. Wind west around 13 mph, gusting to 22 mph. |
| Sunday |
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Breezy. High 17°. UV index up to 3. Wind west around 14 mph, gusting to 22 mph, in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. |
| Sunday night |
Partly cloudy in the evening, becoming mostly cloudy after midnight. Low 11°. Wind south-southwest around 5 mph. |
| Monday |
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Mild. High 19°. UV index up to 3. Wind south-southwest around 8 mph, gusting to 17 mph. |
| Monday night |
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Low 10°. Wind south-southwest around 4 mph. |
| Tuesday |
Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. A chance of rain. Mild. High 19°. UV index up to 3. Wind west-southwest around 2 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. Low 13°. Wind east-southeast around 3 mph in the evening, becoming south-southeast after midnight. |
| Wednesday |
Dense overcast in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 15°. UV index up to 2. Wind south around 5 mph, gusting to 16 mph, in the morning, becoming west-southwest around 12 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog. A chance of rain. Low 11°. Wind northwest around 8 mph, gusting to 18 mph, in the evening, becoming east-southeast after midnight. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Cloudy. Breezy. High 15°. Wind east-southeast around 13 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 16 mph, in the afternoon. |
| Thursday night |
Mostly cloudy to cloudy in the evening, becoming mostly cloudy after midnight. Low 11°. Wind south-southeast around 6 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.