| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Friday, 18-Sep-2026 06:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Cloudy in the evening, becoming dense overcast after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Windy. Low 14°. Wind southwest around 16 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain. Breezy. High 17°. UV index up to 3. Wind west around 14 mph, gusting to 23 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Partly to mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Breezy. Low 10°. Wind west around 13 mph, gusting to 21 mph. |
| Sunday |
Partly cloudy. Breezy. High 16°. UV index up to 3. Wind west around 14 mph, gusting to 21 mph, in the morning, becoming 10 mph, gusting to 20 mph, in the afternoon. |
| Sunday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 11°. Wind south-southwest around 6 mph. |
| Monday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. Mild. High 20°. UV index up to 3. Wind south-southwest around 10 mph, gusting to 18 mph. |
| Monday night |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. Low 10°. Wind west-southwest around 5 mph. |
| Tuesday |
Mostly sunny in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. High 17°. UV index up to 3. Wind west around 3 mph. |
| Tuesday night |
Cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 12°. Wind west-southwest around 3 mph. |
| Wednesday |
Mostly cloudy to cloudy in the morning, becoming mostly cloudy in the afternoon. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 2. Wind west-northwest around 8 mph, gusting to 17 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind east around 5 mph, gusting to 15 mph, in the evening, becoming 11 mph, gusting to 17 mph, after midnight. |
| Thursday |
Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. High 17°. UV index up to 2. Wind east-southeast around 11 mph, gusting to 16 mph, in the morning, becoming 6 mph in the afternoon. |
| Thursday night |
Fair to partly cloudy in the evening, becoming mostly clear after midnight. Low 9°. Wind southeast around 6 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.