Alturas, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alturas, a city in Modoc County, California.
Today
53°F
Mostly Cloudy then Chance Light Rain
A chance of rain between 2pm and 5pm. Mostly cloudy. High near 53, with temperatures falling to around 46 in the afternoon. Southwest wind 2 to 8 mph. Chance of precipitation is 30%.
7-day forecast for Alturas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Mostly Cloudy then Chance Light Rain | 2 to 8 mph SW | 31% |
| Tonight | 24°F | Mostly Cloudy | 0 mph | 5% |
| Wednesday | 54°F | Mostly Sunny | 1 mph NNW | 8% |
| Wednesday Night | 26°F | Mostly Cloudy | 1 mph NW | 2% |
| Thursday | 55°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 24°F | Mostly Clear | 0 mph | 0% |
| Friday | 62°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 27°F | Mostly Clear | 0 to 3 mph ESE | 0% |
| Saturday | 67°F | Sunny | 2 to 13 mph SE | 0% |
| Saturday Night | 29°F | Partly Cloudy | 3 to 13 mph S | 0% |
| Sunday | 63°F | Mostly Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 29°F | Mostly Cloudy | 0 to 3 mph S | 0% |
| Monday | 62°F | Partly Sunny | 1 to 6 mph SSW | 4% |
| Monday Night | 28°F | Partly Cloudy | 0 to 5 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Alturas (41.489, -120.551). Updated through the day.
Growing snapshot for Alturas
Last spring frost
Jun 3
First fall frost
Sep 13
Growing season
97 days
Hardiness zone
6b
More local growing data for Alturas: nearby ZIP 96101 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
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Daphnedale Park
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Lake City
Likely
Lookout
New Pine Creek
Newell
Climate data from the nearest NOAA station, Alturas, Ca (2.9 mi from Alturas). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.