| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Friday, 21-Aug-2026 03:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Partly to mostly cloudy. A slight chance of rain. High 17°. UV index up to 3. Wind north around 8 mph, gusting to 17 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Partly cloudy. Patchy light fog in the evening, then light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Cool. Low 9°. Wind north around 4 mph in the evening, becoming west-northwest after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm. |
| Saturday |
Partly to mostly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Light to moderate fog in the morning. A chance of rain. High 16°. UV index up to 4. Wind west-northwest around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Saturday night |
Fair to partly cloudy. Cool. Low 9°. Wind west-northwest around 7 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight. |
| Sunday |
Partly cloudy. A chance of rain. High 17°. UV index up to 4. Wind west-northwest around 5 mph in the morning, becoming north in the afternoon. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Fair to partly cloudy in the evening, becoming fair after midnight. Patchy light fog after midnight. Cool. Low 9°. Wind northeast around 3 mph in the evening, becoming southeast after midnight. |
| Monday |
Partly to mostly sunny in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. High 19°. UV index up to 3. Wind southeast around 7 mph, gusting to 17 mph, in the morning, becoming 10 mph, gusting to 19 mph, in the afternoon. |
| Monday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Low 14°. Wind east around 9 mph, gusting to 17 mph, in the evening, becoming 12 mph, gusting to 22 mph, after midnight. |
| Tuesday |
Dense overcast in the morning, becoming cloudy in the afternoon. A slight chance of rain. Breezy. High 18°. UV index up to 2. Wind east around 14 mph, gusting to 22 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Breezy. Low 14°. Wind east around 12 mph, gusting to 20 mph. |
| Wednesday |
Dense overcast in the morning, becoming cloudy in the afternoon. A chance of rain. High 18°. UV index up to 2. Wind east-southeast around 10 mph, gusting to 15 mph, in the morning, becoming 6 mph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain. Low 15°. Wind southeast around 3 mph in the evening, becoming 8 mph, gusting to 15 mph, after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday |
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog in the morning, then light to moderate fog in the afternoon. Rain likely in the morning, then a chance of rain in the afternoon. High 16°. Wind east-southeast around 9 mph, gusting to 17 mph. Chance of precipitation 80 percent. Precipitation mostly around 10 mm. |
| Thursday night |
Moderate fog. A chance of rain. Low 13°. Wind northeast around 4 mph in the evening, becoming north-northwest after midnight. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.







