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

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

NA

46°F

8°C

Humidity 90%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility 1.24 mi
Last update 17 Mar 10:15 PM PDT
Extended Forecast for

Winchester ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Increasing clouds, with a high near 63. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 63 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. South wind around 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. West wind 6 to 8 mph becoming south after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain and snow. Snow level 7100 feet lowering to 4900 feet in the afternoon . Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before 11pm. Snow level 4800 feet lowering to 4000 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. South wind around 7 mph.
Wednesday
Increasing clouds, with a high near 63. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 45. South wind around 6 mph.
Thursday
Partly sunny, with a high near 66. West wind 6 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 46. West wind 6 to 8 mph becoming south after midnight.
Friday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 68.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
A chance of rain before 8am, then a chance of rain and snow. Snow level 7100 feet lowering to 4900 feet in the afternoon . Partly sunny, with a high near 51. Chance of precipitation is 40%.
Saturday Night
A slight chance of rain and snow before 11pm. Snow level 4800 feet lowering to 4000 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 54.
Monday Night
A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Tuesday
Rain and snow likely. Snow level 5200 feet. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
Last Update:
9:58 pm PDT Mar 17, 2026
Forecast Valid:
10pm PDT Mar 17, 2026-6pm PDT Mar 24, 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