National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Plattsburgh International Airport (KPBG)

Lat: 44.65°NLon: 73.47°WElev: 236ft.

Mostly Cloudy

69°F

21°C

Humidity 81%
Wind Speed E 3 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Sep 10:53 am EDT
Extended Forecast for

Lyon Mountain NY

  • Today

    Today: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 69. Light and variable wind.

    High: 69 °F

    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 50. Calm wind becoming west around 5 mph after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. Northwest wind 7 to 13 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light north in the evening.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Light east wind.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 43. Light south wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 56. Light and variable wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 54. North wind around 7 mph.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 69. Light and variable wind.
Tonight
Partly cloudy, with a low around 50. Calm wind becoming west around 5 mph after midnight.
Friday
Sunny, with a high near 60. Northwest wind 7 to 13 mph.
Friday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph becoming light north in the evening.
Saturday
Mostly sunny, with a high near 57. Light east wind.
Saturday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 43. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 56. Light and variable wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 41. Light north wind.
Monday
Partly sunny, with a high near 54. North wind around 7 mph.
Monday Night
Mostly cloudy, with a low around 39. Northeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 58. East wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 42. Southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 62. Southeast wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lyon Mountain NY
 44.72°N 73.91°W (Elev. 2060 ft)
Last Update:
2:44 am EDT Sep 17, 2026
Forecast Valid:
11am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation