Alturas, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alturas, a city in Modoc County, California.
Today
96°F
Patchy Smoke then Sunny
Patchy smoke before 11am. Sunny, with a high near 96. West northwest wind 1 to 9 mph.
7-day forecast for Alturas
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Patchy Smoke then Sunny | 1 to 9 mph WNW | 0% |
| Tonight | 51°F | Mostly Clear | 2 to 9 mph WNW | 0% |
| Wednesday | 98°F | Sunny | 1 to 16 mph WSW | 0% |
| Wednesday Night | 51°F | Clear | 0 to 16 mph SW | 0% |
| Thursday | 98°F | Sunny | 0 to 13 mph SW | 0% |
| Thursday Night | 52°F | Clear | 0 to 13 mph WSW | 0% |
| Friday | 98°F | Sunny | 0 to 12 mph WSW | 0% |
| Friday Night | 53°F | Clear | 0 to 12 mph WNW | 0% |
| Saturday | 97°F | Sunny | 0 to 14 mph WNW | 0% |
| Saturday Night | 53°F | Mostly Clear | 0 to 14 mph WNW | 0% |
| Sunday | 94°F | Sunny | 0 to 14 mph WNW | 0% |
| Sunday Night | 50°F | Mostly Clear | 0 to 14 mph WNW | 0% |
| Monday | 92°F | Sunny | 0 to 16 mph WSW | 0% |
| Monday Night | 47°F | Mostly Clear | 0 to 16 mph SW | 0% |
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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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 Aug 4, 2026.