| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Tuesday, 18-Aug-2026 06:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Light to moderate fog after midnight. A chance of rain in the evening, then a slight chance of rain after midnight. Low 12°. Wind west around 8 mph, gusting to 18 mph. Chance of precipitation 40 percent. Precipitation mostly less than 2 mm. |
| Wednesday |
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. Light to moderate fog in the morning. A chance of rain in the morning, then a slight chance of rain in the afternoon. High 16°. UV index up to 4. Wind west around 9 mph, gusting to 19 mph. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Wednesday night |
Mostly cloudy. Patchy light fog in the evening, then moderate fog after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Low 11°. Wind west around 9 mph, gusting to 18 mph, in the evening, becoming 5 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday |
Mostly cloudy to cloudy. Moderate fog in the morning, then patchy light fog in the afternoon. Rain likely. Cool. High 14°. UV index up to 3. Wind west-northwest around 6 mph in the morning, becoming north around 11 mph, gusting to 19 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm. |
| Thursday night |
Partly to mostly cloudy in the evening, becoming mostly cloudy after midnight. Moderate fog. Rain likely. Cool. Low 10°. Wind north around 4 mph, gusting to 15 mph, in the evening, becoming west after midnight. Chance of precipitation 60 percent. Precipitation mostly between 5 and 10 mm. |
| Friday |
Mostly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Patchy light fog. A chance of rain. High 15°. UV index up to 3. Wind north around 3 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Friday night |
Partly to mostly cloudy in the evening, becoming partly cloudy after midnight. Patchy light fog in the evening, then light to moderate fog after midnight. A slight chance of rain. Cool. Low 10°. Wind north-northwest around 4 mph. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A chance of rain. High 15°. UV index up to 4. Wind northwest around 7 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Clear in the evening, becoming fair to partly cloudy after midnight. Cool. Low 10°. Wind northwest around 8 mph. |
| Sunday |
Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon. A chance of rain. High 16°. UV index up to 3. Wind northwest around 8 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Sunday night |
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Cool. Low 9°. Wind northwest around 4 mph. |
| Monday |
Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. A slight chance of rain. High 18°. UV index up to 4. Wind west around 2 mph in the morning, becoming north-northwest in the afternoon. Chance of precipitation 20 percent. Precipitation mostly less than 2 mm. |
| Monday night |
Fair in the evening, becoming mostly clear after midnight. Patchy light fog after midnight. Low 10°. Wind northwest around 3 mph in the evening, becoming southwest after midnight. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.