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Derby, New York Weather Forecast
Derby, New York Weather
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Weather Forecast for Derby, New York : Erie County
Issued: 12:36 pm EST Dec 21, 2025 Latitude: 42.6814481 Longitude: -78.9753145 View on Google Maps

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This Afternoon Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday
Mostly Cloudy on This Afternoon 20% chance of snow on Tonight 30% chance of snow on Monday 70% chance of rain & snow on Tuesday Partly Sunny on Wednesday 30% chance of rain on Christmas Day 70% chance of rain on Friday 40% chance of rain on Saturday
High: 27°F Low: 22°F High: 37°F High: 41°F High: 38°F High: 48°F High: 47°F High: 41°F
Low: 30°F Low: 29°F Low: 30°F Low: 37°F Low: 27°F  
Mostly Cloudy Snow Snow Rain & Snow Partly Sunny Rain Rain Rain
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Current Conditions at
DUNKIRK - (KDKK)
25°
Feels like 13°F
Cloudy
Light Snow
as of 12:53 PM EST
Rel. Humidity: 62%
Dew Point: 14°F
Visibility: 9 Miles
Pressure: 30.32 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 23 MPH
290° West
Cloud Level(s): Solid Overcast at 2900ft
Current Conditions at
BUFFALO - (KBUF)
25°
Feels like 11°F
Mostly Cloudy
as of 12:54 PM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 30 MPH
260° West
Cloud Level(s): Broken at 3600ft
Current Conditions at
NIAGARA FALLS - (KIAG)
25°
Feels like 9°F
Cloudy
as of 12:53 PM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 33 MPH
260° West
Cloud Level(s): Solid Overcast at 4200ft
Current Conditions at
WELLSVILLE MUNI - (KELZ)
19°
Feels like 2°F
Cloudy
Light Snow
as of 12:56 PM EST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
22 MPH
Gust: 36 MPH
290° West
Cloud Level(s): Broken at 2800ft, Solid Overcast at 3300ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 27. Breezy, with a west wind 21 to 24 mph, with gusts as high as 39 mph.

20% chance of snow Tonight Tonight... A slight chance of snow showers before 8pm. Mostly cloudy, with a low around 22. West wind 5 to 14 mph. Chance of precipitation is 20%.

30% chance of snow Monday Monday... A chance of snow, mainly after 4pm. Mostly cloudy, with a high near 37. Southwest wind 6 to 13 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

90% chance of rain & snow Monday Night Monday Night... Rain, possibly mixed with snow, mainly after 1am. Low around 30. South wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

70% chance of rain & snow Tuesday Tuesday... Rain likely, possibly mixed with snow, becoming all rain after 10am, then gradually ending. Cloudy, with a high near 41. Southwest wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29. West wind around 9 mph, with gusts as high as 25 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 38. West wind around 6 mph becoming calm in the afternoon.

30% chance of rain Wednesday Night Wednesday Night... A chance of showers after 1am. Mostly cloudy, with a low around 30. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 30%.

30% chance of rain Christmas Day Christmas Day... A chance of showers. Mostly cloudy, with a high near 48. Chance of precipitation is 30%.

60% chance of rain Thursday Night Thursday Night... Showers likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%.

70% chance of rain Friday Friday... Showers likely. Cloudy, with a high near 47. Chance of precipitation is 70%.

50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

40% chance of rain Saturday Saturday... A chance of showers. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

Current Radar Image


Sun Almanac for Derby, New York
Sunrise: 07:43 AM
Sunset: 4:45 PM
Civil Sunrise:07:11 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:35 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 6:28 PM
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