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Cornwall Weather Warning NWS WEATHER ALERT FOR THE CORNWALL, NY AREA - HARD FROST ADVISORY Issued: 222 AM EDT Mon Oct 19 2026 Cornwall Weather Warning

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12518 Weather (Cornwall, NY)

Cornwall, NY WeatherCurrent Conditions and Weather for Cornwall, New York
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Fog at Cornwall (12518), temperature is 35°F2°C, dew point 35°F2°C, humidity 100%. Wind direction is N at 0 mphat 0 km/h with visibility of 1/8 mi2 km. Barometric pressure is 30.48 in1032 mb. Last update: 5:52 am.*
*Time is approximately 5:52 am Mon, Oct 19, 2026. Time will be within 15 minutes of current local time. Cornwall weather forecast data is updated every 15 minutes.

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Cornwall NY Weather - 5:52 am

Cornwall Weather Forecast

Weather forecast for: Cornwall on Hudson NY
Last Update: 5:21 am EDT Oct 19, 2026
Overnight: Patchy fog. Otherwise, clear, with a low around 38. Calm wind.
Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming north around 5 mph in the afternoon.
Monday Night: Mostly clear, with a low around 43. Calm wind becoming north around 5 mph after midnight.
Tuesday: Partly sunny, with a high near 64. North wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night: Mostly clear, with a low around 40. North wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday: Sunny, with a high near 61.
Wednesday Night: Mostly clear, with a low around 38.
Thursday: Sunny, with a high near 64.
Thursday Night: Clear, with a low around 41.
Friday: Sunny, with a high near 59.
Friday Night: Clear, with a low around 36.
Saturday: Sunny, with a high near 60.
Saturday Night: Mostly clear, with a low around 36.
Sunday: Sunny, with a high near 64.

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