Cornwall, ID Weather Forecast
Local 7-day forecast
Rain And Snow then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Cornwall, ID in one place.
Rain before 8am, then rain and snow between 8am and 10am. Mostly cloudy. High near 44, with temperatures falling to around 35 in the afternoon. Southwest wind 8 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cornwall, 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: Nov 7, 2026 10:06 AM PST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Cornwall, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 10:06 AM PST
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cornwall
Thursday looks like the warmest upcoming period in Cornwall at 55 degrees F.
Sunday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Sunday at about 8 to 17 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 10:06 AM PST
- 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 chance of rain after 4am. Mostly cloudy, with a low around 32. South wind 3 to 8 mph. Chance of precipitation is 40%.
A chance of rain. Mostly cloudy, with a high near 41. Southeast wind 1 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Rain. Mostly cloudy, with a low around 37. Chance of precipitation is 90%.
Rain likely. Cloudy, with a high near 44. Chance of precipitation is 70%.
A chance of rain before 4am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Partly sunny, with a high near 52.
Mostly cloudy, with a low around 41.
Partly sunny, with a high near 55.
Mostly cloudy, with a low around 40.
A chance of rain after 4pm. Partly sunny, with a high near 49. Chance of precipitation is 30%.
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Rain And Snow then Mostly Cloudy
|
44°F |
8 to 17 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy then Chance Light Rain
|
32°F |
3 to 8 mph
S
|
|
Monday
Nov 9
|
Chance Light Rain
|
41°F |
1 to 5 mph
SE
|
|
Monday Night
Nov 9
|
Light Rain
|
37°F |
1 to 7 mph
S
|
|
Tuesday
Nov 10
|
Light Rain Likely
|
44°F |
3 to 8 mph
SW
|
|
Tuesday Night
Nov 10
|
Chance Light Rain
|
40°F |
6 mph
S
|
|
Veterans Day
Nov 11
|
Partly Sunny
|
52°F |
2 to 6 mph
S
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy
|
41°F |
2 to 6 mph
SE
|
|
Thursday
Nov 12
|
Partly Sunny
|
55°F |
2 to 7 mph
SE
|
|
Thursday Night
Nov 12
|
Mostly Cloudy
|
40°F |
2 to 6 mph
SE
|
|
Friday
Nov 13
|
Partly Sunny then Chance Light Rain
|
49°F |
2 to 7 mph
S
|
|
Friday Night
Nov 13
|
Chance Light Rain
|
38°F |
2 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cornwall.