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

87°F

31°C

Humidity 21%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Heat Index84°F (29°C)
Last update 22 Aug 11:00 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: A slight chance of thunderstorms after 5pm. Partly sunny, with a temperature falling to around 83 by 4pm. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 10%.

    High: 88 °F⇓

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 56. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Light and variable wind becoming northeast around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of thunderstorms after 5pm. Partly sunny, with a temperature falling to around 83 by 4pm. South wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 10%.
Tonight
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 56. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 76. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 81. Light and variable wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 76.
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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:
10:11 am PDT Aug 22, 2026
Forecast Valid:
11am PDT Aug 22, 2026-6pm PDT Aug 28, 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