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 46%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility 1.24 mi
Wind Chill44°F (7°C)
Last update 18 Apr 10:00 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: Mostly sunny, with a high near 57. South wind around 8 mph, with gusts as high as 18 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. South wind around 8 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Southeast wind around 8 mph.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. Southeast wind around 6 mph becoming east in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. Snow level 7300 feet lowering to 6000 feet in the afternoon . High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 57. South wind around 8 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 35. South wind around 8 mph.
Sunday
Mostly sunny, with a high near 67. Southeast wind around 8 mph.
Sunday Night
Mostly cloudy, with a low around 44. South wind around 6 mph.
Monday
Mostly sunny, with a high near 73. Southeast wind around 6 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
A chance of showers and thunderstorms, then rain likely after 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday
Rain. Snow level 7300 feet lowering to 6000 feet in the afternoon . High near 51. Chance of precipitation is 80%.
Wednesday Night
Rain likely. Snow level 6000 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Snow level 4800 feet. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of rain. Snow level 5300 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
Last Update:
4:16 am PDT Apr 18, 2026
Forecast Valid:
10am PDT Apr 18, 2026-6pm PDT Apr 24, 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