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

Monticello, Sullivan County International Airport (KMSV)

Lat: 41.7°NLon: 74.8°WElev: 1404ft.

Partly Cloudy

65°F

18°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 29.92 in (1012.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Sep 10:56 pm EDT
Extended Forecast for

2 Miles NE Atco PA

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the morning.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52. Light north wind.

    Low: 52 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 74. Light north wind.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Patchy Fog

  • Labor Day

    Labor Day: Patchy fog before 9am. Otherwise, sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 55. Calm wind.
Saturday
Mostly sunny, with a high near 76. Calm wind becoming north 5 to 7 mph in the morning.
Saturday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52. Light north wind.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 74. Light north wind.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 48. Calm wind.
Labor Day
Patchy fog before 9am. Otherwise, sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 78.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Atco PA
 41.63°N 75.06°W (Elev. 1001 ft)
Last Update:
2:30 pm EDT Sep 4, 2026
Forecast Valid:
11pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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