Igo, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Igo, a community in Shasta County, California.
This Afternoon
54°F
Chance Light Rain
A chance of rain before 4pm. Partly sunny. High near 54, with temperatures falling to around 52 in the afternoon. Northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Igo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Chance Light Rain | 3 mph NE | 31% |
| Tonight | 44°F | Partly Cloudy | 2 mph NW | 3% |
| Wednesday | 66°F | Mostly Sunny | 3 mph NNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph WNW | 0% |
| Thursday | 71°F | Sunny | 2 to 7 mph NNW | 0% |
| Thursday Night | 50°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Friday | 74°F | Sunny | 2 mph NNW | 0% |
| Friday Night | 54°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Saturday | 71°F | Sunny | 0 to 3 mph E | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 70°F | Mostly Sunny | 2 mph NE | 1% |
| Sunday Night | 52°F | Mostly Cloudy | 1 mph E | 1% |
| Monday | 68°F | Mostly Sunny | 1 mph E | 4% |
| Monday Night | 51°F | Partly Cloudy | 1 mph ENE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Igo (40.498, -122.550). Updated through the day.
Growing snapshot for Igo
Last spring frost
Feb 13
First fall frost
Dec 13
Growing season
304 days
Hardiness zone
9b
More local growing data for Igo: nearby ZIP 96001 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Whiskeytown Rsvr, Ca (4.5 mi from Igo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.