Junction City, CA Weather & Growing Conditions
This Afternoon
75°F
Sunny
Sunny, with a high near 75. West wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 7 mph W | 0% |
| Tonight | 56°F | Clear | 2 to 7 mph N | 0% |
| Saturday | 80°F | Sunny | 1 to 5 mph S | 0% |
| Saturday Night | 59°F | Partly Cloudy | 5 mph NNW | 0% |
| Sunday | 81°F | Mostly Sunny | 2 to 6 mph ESE | 0% |
| Sunday Night | 60°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Monday | 83°F | Sunny | 1 to 7 mph WSW | 0% |
| Monday Night | 59°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Tuesday | 81°F | Sunny | 2 to 8 mph W | 0% |
| Tuesday Night | 58°F | Mostly Clear | 2 to 8 mph NNW | 0% |
| Wednesday | 82°F | Sunny | 2 to 6 mph WSW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Thursday | 81°F | Sunny | 2 to 8 mph SE | 0% |
| Thursday Night | 57°F | Partly Cloudy | 3 to 8 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Junction City, CA
Last spring frost
May 3
First fall frost
Oct 11
Growing season
159 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, Weaverville, Ca (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.