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

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

47°F

8°C

Humidity 100%
Wind Speed NW 10 G 18 mph
Barometer 29.94 in (1014.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 16 Oct 7:56 pm EDT
Extended Forecast for

3 Miles ESE Youngsville PA

Freeze Watch October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of light rain before midnight, then a chance of showers, mainly between midnight and 5am. Cloudy, with a low around 35. North wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Light
    Rain

  • Saturday

    Saturday: A slight chance of rain and snow showers before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 48. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. Light southwest wind.

    High: 61 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 31. Calm wind.

    Low: 31 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, sunny, with a high near 69.

    High: 69 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of light rain before midnight, then a chance of showers, mainly between midnight and 5am. Cloudy, with a low around 35. North wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain and snow showers before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 48. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, mostly clear, with a low around 27. Calm wind.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61. Light southwest wind.
Sunday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 31. Calm wind.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Patchy frost before 8am. Otherwise, sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Patchy frost before 9am. Otherwise, sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 38.
Thursday
Patchy frost. Otherwise, sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.24°W (Elev. 1198 ft)
Last Update:
8:25 pm EDT Oct 16, 2026
Forecast Valid:
8pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation