| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Tuesday, 18-Aug-2026 11:00 am | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Cloudy. A chance of rain. Breezy. High 17°. UV index up to 3. Wind west-northwest around 12 mph, gusting to 22 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind west around 8 mph, gusting to 16 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Mostly cloudy in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 17°. UV index up to 4. Wind west-southwest around 10 mph, gusting to 20 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Wednesday night |
Mostly cloudy. Moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 12°. Wind west-southwest around 8 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly around 2 mm. |
| Thursday |
Mostly cloudy. Moderate fog in the morning, then light to moderate fog in the afternoon. Rain likely. Cool. High 14°. UV index up to 3. Wind west around 6 mph in the morning, becoming north-northwest around 10 mph, gusting to 20 mph, in the afternoon. Chance of precipitation 80 percent. Precipitation mostly between 10 and 20 mm. |
| Thursday night |
Mostly cloudy in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog. Rain likely in the evening, then a chance of rain after midnight. Low 11°. Wind north around 7 mph, gusting to 17 mph, in the evening, becoming 2 mph after midnight. Chance of precipitation 70 percent. Precipitation mostly around 10 mm. |
| Friday |
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. Rain likely. Cool. High 14°. UV index up to 2. Wind north-northwest around 3 mph. Chance of precipitation 60 percent. Precipitation mostly around 5 mm. |
| Friday night |
Mostly cloudy to cloudy in the evening, becoming partly to mostly cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 10°. Wind north-northwest around 3 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Partly to mostly cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 15°. UV index up to 3. Wind west-northwest around 6 mph, gusting to 16 mph. 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. Low 10°. Wind west-northwest around 5 mph. |
| Sunday |
Partly cloudy. A slight chance of rain in the morning. High 16°. UV index up to 4. Wind northwest around 5 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Partly cloudy in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Cool. Low 10°. Wind north-northwest around 3 mph in the evening, becoming southeast after midnight. |
| Monday |
Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. High 19°. UV index up to 4. Wind east-southeast around 5 mph in the morning, becoming north-northwest in the afternoon. |
| Monday night |
Partly to mostly cloudy. Low 12°. Wind north-northeast around 4 mph in the evening, becoming east-southeast around 10 mph after midnight. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.