Greenhorn, CA Weather Forecast
Local 7-day forecast
Widespread Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenhorn, CA in one place.
Widespread frost before 8am. Sunny. High near 67, with temperatures falling to around 56 in the afternoon. Southwest wind 1 to 6 mph.
Local Weather Overview
This forecast page for Greenhorn, CA 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 8:35 AM PST.
The active forecast window currently covers Nov 7 to Nov 13, 2026 for Greenhorn, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 8:35 AM PST
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenhorn
Today looks like the warmest upcoming period in Greenhorn at 67 degrees F.
Sunday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 12 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 8:35 AM PST
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KBBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Widespread frost after 1am. Partly cloudy, with a low around 32. South wind around 2 mph.
Widespread frost before 8am. Partly sunny. High near 65, with temperatures falling to around 54 in the afternoon. South southwest wind 1 to 5 mph.
Widespread frost after 2am. Mostly cloudy, with a low around 30. South wind around 2 mph.
Widespread frost before 8am. Mostly sunny, with a high near 62. South southwest wind 1 to 5 mph.
Widespread frost after 11pm. Mostly clear, with a low around 30.
Widespread frost before 9am. Sunny, with a high near 66.
Mostly clear, with a low around 31.
Sunny, with a high near 67.
A slight chance of rain after 4am. Mostly clear, with a low around 32.
A slight chance of rain. Mostly sunny, with a high near 59.
A slight chance of rain. Partly cloudy, with a low around 30.
A chance of rain. Partly sunny, with a high near 52.
A chance of rain. Mostly cloudy, with a low around 30.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 7
|
Widespread Frost then Sunny
|
67°F |
1 to 6 mph
SW
|
|
Tonight
Nov 7
|
Partly Cloudy then Widespread Frost
|
32°F |
2 mph
S
|
|
Sunday
Nov 8
|
Widespread Frost then Partly Sunny
|
65°F |
1 to 5 mph
SSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy then Widespread Frost
|
30°F |
2 mph
S
|
|
Monday
Nov 9
|
Widespread Frost then Mostly Sunny
|
62°F |
1 to 5 mph
SSW
|
|
Monday Night
Nov 9
|
Widespread Frost
|
30°F |
2 mph
SE
|
|
Tuesday
Nov 10
|
Widespread Frost then Sunny
|
66°F |
0 to 3 mph
ENE
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
31°F |
0 to 6 mph
ENE
|
|
Veterans Day
Nov 11
|
Sunny
|
67°F |
1 to 5 mph
SE
|
|
Wednesday Night
Nov 11
|
Mostly Clear then Slight Chance Light Rain
|
32°F |
1 to 7 mph
SE
|
|
Thursday
Nov 12
|
Slight Chance Light Rain
|
59°F |
5 mph
SSE
|
|
Thursday Night
Nov 12
|
Slight Chance Light Rain
|
30°F |
5 mph
SSE
|
|
Friday
Nov 13
|
Chance Light Rain
|
52°F |
6 mph
S
|
|
Friday Night
Nov 13
|
Chance Light Rain
|
30°F |
5 to 12 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenhorn.