Greenhorn, OR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenhorn, OR in one place.
Mostly sunny, with a high near 67. North wind around 5 mph.
Local Weather Overview
This forecast page for Greenhorn, OR 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: Sep 14, 2026 8:55 PM PDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Greenhorn, OR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 8:55 PM PDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenhorn
Sunday looks like the warmest upcoming period in Greenhorn at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Monday at about 2 to 6 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 8:55 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- BOI
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 5am. Partly cloudy, with a low around 41. North wind 1 to 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 66. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 44. Chance of precipitation is 40%.
A slight chance of rain showers between 11am and 5pm. Mostly sunny, with a high near 66. Chance of precipitation is 20%.
Mostly clear, with a low around 44.
Sunny, with a high near 69.
Mostly clear, with a low around 46.
Sunny, with a high near 72.
Mostly clear, with a low around 48.
Sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
67°F |
5 mph
N
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Slight Chance Rain Showers
|
41°F |
1 to 5 mph
N
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
66°F |
1 to 5 mph
NW
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms then Partly Cloudy
|
44°F |
3 mph
NW
|
|
Friday
Sep 18
|
Slight Chance Rain Showers
|
66°F |
1 to 5 mph
NW
|
|
Friday Night
Sep 18
|
Mostly Clear
|
44°F |
0 to 3 mph
NW
|
|
Saturday
Sep 19
|
Sunny
|
69°F |
0 to 3 mph
W
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
46°F |
0 to 3 mph
NW
|
|
Sunday
Sep 20
|
Sunny
|
72°F |
0 to 3 mph
NW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
48°F |
3 mph
N
|
|
Monday
Sep 21
|
Sunny
|
70°F |
2 to 6 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenhorn.