| WXSIM Forecast for:
Colwyn Bay Issued by: Saratoga-Weather.org |
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| Updated: Monday, 18-May-2026 03:00 pm | ||||||||||||||||||||||||||||||||||||||||||||||||
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| This afternoon |
Cloudy. High 13°. UV index up to 4. Wind northeast around 3 mph. |
| Tonight |
Dense overcast. Patchy light fog. A chance of rain in the evening, then rain likely after midnight. Breezy and cool. Low 7°. Wind chill ranging from 4 to 10. Wind south-southwest around 9 mph, gusting to 20 mph, in the evening, becoming 14 mph, gusting to 22 mph, after midnight. Chance of precipitation 70 percent. Precipitation mostly between 5 and 10 mm. |
| Tuesday |
Dense overcast. Patchy light fog in the morning. A chance of rain. Breezy and cool. High 10°. Wind chill around 5. UV index up to 3. Wind south-southwest around 12 mph, gusting to 18 mph, in the morning, becoming 15 mph, gusting to 22 mph, in the afternoon. Chance of precipitation 50 percent. Precipitation mostly between 2 and 5 mm. |
| Tuesday night |
Dense overcast in the evening, becoming mostly cloudy to cloudy after midnight. Patchy light fog. Rain likely. Breezy. Low 8°. Wind south-southwest around 14 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 5. Wind southwest around 15 mph, gusting to 24 mph. Chance of precipitation 40 percent. Precipitation mostly between 2 and 5 mm. |
| Wednesday night |
Mostly cloudy in the evening, becoming dense overcast after midnight. A slight chance of rain in the evening, then a chance of rain after midnight. Breezy. Low 10°. 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 15°. UV index up to 4. Wind southwest around 13 mph, gusting to 20 mph. Chance of precipitation 70 percent. Precipitation mostly between 10 and 20 mm. |
| Thursday night |
Cloudy in the evening, becoming mostly cloudy after midnight. Patchy light fog. A chance of rain. Low 10°. Wind south-southwest around 8 mph, gusting to 16 mph. Chance of precipitation 30 percent. Precipitation mostly less than 2 mm. |
| Friday |
Cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Mild. High 19°. UV index up to 4. Wind south-southwest around 5 mph. |
| Friday night |
Cloudy in the evening, becoming partly to mostly cloudy after midnight. Low 10°. Wind southwest around 5 mph. |
| Saturday |
Sunny in the morning, becoming partly to mostly cloudy in the afternoon. Mild. High 20°. UV index up to 6. Wind west-southwest around 5 mph in the morning, becoming northwest in the afternoon. |
| Saturday night |
Fair in the evening, becoming mostly clear after midnight. Low 10°. Wind east-northeast around 2 mph in the evening, becoming south-southeast after midnight. |
| Sunday |
Sunny in the morning, becoming mostly sunny in the afternoon. Mild. High 22°. UV index up to 7. Wind east-southeast around 3 mph in the morning, becoming north-northwest in the afternoon. |
| Sunday night |
Mostly clear in the evening, becoming clear after midnight. Patchy light fog after midnight. Low 10°. Wind north-northeast around 3 mph in the evening, becoming east-southeast after midnight. |
WXSIM forecast formatting script by Saratoga-Weather.org.
Animated forecast icons courtesy of www.meteotreviglio.com.