| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Friday, 21-Aug-2026 11:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Mostly cloudy. High 18°. UV index up to 3. Wind north around 8 mph, gusting to 17 mph. |
| 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 10°. Wind north around 5 mph, gusting to 15 mph, in the evening, becoming 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 northwest around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Saturday night |
Fair to partly cloudy in the evening, becoming partly cloudy after midnight. Cool. Low 9°. Wind northwest around 6 mph, gusting to 17 mph, in the evening, becoming 3 mph after midnight. |
| Sunday |
Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. A slight chance of rain. High 17°. UV index up to 4. Wind north-northwest around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Fair in the evening, becoming fair to partly cloudy after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind north-northeast around 3 mph in the evening, becoming south-southeast after midnight. |
| Monday |
Mostly sunny in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog in the morning. High 20°. UV index up to 4. Wind south-southeast around 8 mph, gusting to 19 mph, in the morning, becoming east-southeast in the afternoon. |
| Monday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 14°. Wind east-southeast around 10 mph, gusting to 19 mph. |
| Tuesday |
Cloudy. A chance of rain. High 18°. UV index up to 2. Wind east-southeast around 10 mph, gusting to 20 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tuesday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 14°. Wind east-southeast around 9 mph, gusting to 18 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. A slight chance of rain in the morning, then a chance of rain in the afternoon. High 20°. UV index up to 3. Wind south around 5 mph in the morning, becoming east-northeast in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Partly cloudy. Light to moderate fog. A slight chance of rain. Low 15°. Wind east-southeast around 4 mph in the evening, becoming 7 mph after midnight. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Thursday |
Mostly cloudy in the morning, becoming dense overcast in the afternoon. A slight chance of rain in the morning, then rain likely in the afternoon. High 18°, but temperatures falling in the afternoon. UV index up to 2. Wind east-southeast around 5 mph in the morning, becoming northwest around 14 mph, gusting to 28 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 30 and 50 mm. |
| Thursday night |
Dense overcast. Rain very likely. Very windy. Low 13°. Wind west around 27 mph, gusting to 39 mph. Chance of precipitation 90 percent. Precipitation mostly between 40 and 60 mm. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.