Arnold, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arnold, a community in Calaveras County, California.
Today
93°F
Sunny
Sunny. High near 93, with temperatures falling to around 91 in the afternoon. South southwest wind around 6 mph.
7-day forecast for Arnold
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 6 mph SSW | 0% |
| Tonight | 68°F | Clear | 6 mph NNW | 0% |
| Wednesday | 92°F | Sunny | 6 mph SSW | 0% |
| Wednesday Night | 68°F | Clear | 5 mph N | 0% |
| Thursday | 93°F | Sunny | 6 mph WSW | 0% |
| Thursday Night | 69°F | Clear | 5 mph NW | 0% |
| Friday | 93°F | Sunny | 6 mph W | 0% |
| Friday Night | 70°F | Clear | 5 mph N | 0% |
| Saturday | 94°F | Sunny | 6 mph WSW | 0% |
| Saturday Night | 69°F | Mostly Clear | 5 mph N | 0% |
| Sunday | 92°F | Sunny | 6 mph SSW | 0% |
| Sunday Night | 68°F | Mostly Clear | 5 mph W | 0% |
| Monday | 88°F | Sunny | 7 mph S | 0% |
| Monday Night | 65°F | Mostly Clear | 6 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Arnold (38.249, -120.349). Updated through the day.
Growing snapshot for Arnold
Last spring frost
May 7
First fall frost
Oct 28
Growing season
169 days
Hardiness zone
8b
More local growing data for Arnold: nearby ZIP 95224 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Angels
Avery
Buckhorn
Camanche North Shore
Camanche Village
Campo Seco
Columbia
Copperopolis
Dorrington
Douglas Flat
Forest Meadows
Glencoe
Hathaway Pines
Knights Ferry
Mountain Ranch
Murphys
Orange Blossom
Rail Road Flat
Rancho Calaveras
San Andreas
Sheep Ranch
Tuttletown
Vallecito
Valley Springs
Wallace
West Point
Wilseyville
Climate data from the nearest NOAA station, Calaveras Big Trees, Ca (3.2 mi from Arnold). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.