Junction City, CA Weather & Growing Conditions
Tonight
32°F
Mostly Clear
Mostly clear, with a low around 32. East wind 0 to 7 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Mostly Clear | 0 to 7 mph E | 5% |
| Wednesday | 42°F | Mostly Sunny | 0 to 8 mph NW | 3% |
| Wednesday Night | 34°F | Partly Cloudy | 5 to 8 mph NNW | 3% |
| Thursday | 46°F | Sunny | 5 mph N | 0% |
| Thursday Night | 39°F | Partly Cloudy | 7 mph N | 0% |
| Friday | 52°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Friday Night | 45°F | Mostly Clear | 2 to 7 mph NE | 0% |
| Saturday | 54°F | Sunny | 5 to 8 mph SSE | 0% |
| Saturday Night | 41°F | Partly Cloudy | 6 mph ESE | 7% |
| Sunday | 47°F | Partly Sunny | 5 mph WNW | 7% |
| Sunday Night | 40°F | Mostly Cloudy | 5 mph E | 5% |
| Monday | 46°F | Partly Sunny | 5 mph SSW | 13% |
| Monday Night | 40°F | Partly Cloudy then Slight Chance Light Rain | 2 to 6 mph NE | 20% |
| Tuesday | 48°F | Chance Light Rain | 6 mph SSE | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Junction City, CA
Last spring frost
Apr 27
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
8b
Explore more for Junction City, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Cecilville, Ca (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.