Winchester, ID Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Winchester, ID in one place.
A slight chance of showers and thunderstorms between 11am and 2pm, then haze and a slight chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Northwest wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Winchester, ID is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 15, 2026 10:13 PM PDT.
The active forecast window currently covers Aug 16 to Aug 22, 2026 for Winchester, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 16 to Aug 22, 2026
- Latest sync
- Aug 15, 2026 10:13 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Winchester
Friday looks like the warmest upcoming period in Winchester at 84 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 9 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 15, 2026 10:13 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KOTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 11pm. Mostly cloudy. Low around 57, with temperatures rising to around 61 overnight. West wind around 3 mph. Chance of precipitation is 20%.
A chance of rain showers after 5pm. Partly sunny, with a high near 81. North wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 57. Southwest wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before 11am. Sunny, with a high near 80. Chance of precipitation is 20%.
Mostly clear, with a low around 55.
Sunny, with a high near 80.
Mostly clear, with a low around 55.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
A chance of rain showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Aug 16
|
Slight Chance Showers And Thunderstorms
|
81°F |
6 mph
NW
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
57°F |
3 mph
W
|
|
Monday
Aug 17
|
Partly Sunny then Chance Rain Showers
|
81°F |
6 mph
N
|
|
Monday Night
Aug 17
|
Chance Rain Showers
|
57°F |
6 mph
SW
|
|
Tuesday
Aug 18
|
Slight Chance Rain Showers then Sunny
|
80°F |
5 to 9 mph
SW
|
|
Tuesday Night
Aug 18
|
Mostly Clear
|
55°F |
3 to 9 mph
SW
|
|
Wednesday
Aug 19
|
Sunny
|
80°F |
3 to 7 mph
NW
|
|
Wednesday Night
Aug 19
|
Mostly Clear
|
55°F |
3 to 7 mph
SW
|
|
Thursday
Aug 20
|
Sunny
|
82°F |
3 to 7 mph
NE
|
|
Thursday Night
Aug 20
|
Mostly Clear
|
58°F |
3 to 7 mph
S
|
|
Friday
Aug 21
|
Mostly Sunny then Slight Chance Rain Showers
|
84°F |
3 to 7 mph
NE
|
|
Friday Night
Aug 21
|
Slight Chance Rain Showers
|
58°F |
7 mph
W
|
|
Saturday
Aug 22
|
Chance Rain Showers
|
79°F |
5 to 8 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winchester.