| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Tuesday, 19-May-2026 03:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Dense overcast. A chance of rain. Windy. High 16°. UV index up to 4. Wind south around 16 mph, gusting to 27 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Tonight |
Dense overcast in the evening, becoming cloudy after midnight. Patchy light fog after midnight. Rain likely. Breezy. Low 9°. Wind south-southwest around 13 mph, gusting to 22 mph. Chance of precipitation 60 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday |
Mostly cloudy in the morning, becoming partly to mostly 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. Breezy. High 14°. UV index up to 4. Wind southwest around 12 mph, gusting to 22 mph, in the morning, becoming 15 mph, gusting to 24 mph, in the afternoon. Chance of precipitation 40 percent. Precipitation mostly around 2 mm. |
| Wednesday night |
Partly to mostly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 9°. Wind southwest around 13 mph, gusting to 21 mph. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Thursday |
Dense overcast in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the afternoon. A chance of rain in the morning, then rain likely in the afternoon. Breezy. High 14°. UV index up to 4. Wind southwest around 15 mph, gusting to 21 mph, in the morning, becoming 11 mph, gusting to 17 mph, in the afternoon. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm. |
| Thursday night |
Mostly cloudy in the evening, becoming partly to mostly cloudy after midnight. Light to moderate fog in the evening, then patchy light fog after midnight. Low 11°. Wind south-southeast around 8 mph. |
| Friday |
Mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Patchy light fog in the morning. Mild. High 19°. UV index up to 4. Wind south-southwest around 9 mph, gusting to 19 mph. |
| Friday night |
Mostly cloudy to cloudy in the evening, becoming cloudy after midnight. Low 12°. Wind south-southwest around 7 mph, gusting to 17 mph, in the evening, becoming 4 mph after midnight. |
| Saturday |
Mostly cloudy to cloudy in the morning, becoming partly to mostly sunny in the afternoon. A chance of rain. Mild. High 19°. UV index up to 5. Wind west around 4 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Saturday night |
Fair to partly cloudy in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 10°. Wind west around 2 mph. |
| Sunday |
Sunny. Patchy light fog in the morning. Mild. High 21°. UV index up to 7. Wind north-northeast around 3 mph. |
| Sunday night |
Clear. Patchy light fog after midnight. Low 11°. Wind north-northeast around 3 mph in the evening, becoming east-southeast after midnight. |
| Monday |
Sunny in the morning, becoming partly cloudy in the afternoon. Patchy light fog in the morning. Mild. High 22°. UV index up to 6. Wind east-southeast around 3 mph in the morning, becoming west in the afternoon. |
| Monday night |
Mostly clear in the evening, becoming partly cloudy after midnight. Light to moderate fog in the evening, then moderate fog after midnight. Low 11°. Wind west around 5 mph. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.