Mentone, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mentone, a community in San Bernardino County, California.
Tonight
59°F
Mostly Clear
Mostly clear, with a low around 59. North wind 0 to 10 mph.
7-day forecast for Mentone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Mostly Clear | 0 to 10 mph N | 1% |
| Saturday | 87°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 63°F | Mostly Clear | 0 to 5 mph N | 0% |
| Sunday | 86°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 60°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Monday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 58°F | Mostly Clear | 0 to 5 mph W | 1% |
| Tuesday | 84°F | Sunny | 0 to 5 mph W | 0% |
| Tuesday Night | 63°F | Clear | 0 to 5 mph N | 2% |
| Wednesday | 93°F | Sunny | 0 to 5 mph NW | 3% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 5 mph NE | 2% |
| Thursday | 94°F | Sunny | 5 mph S | 6% |
| Thursday Night | 68°F | Mostly Clear | 5 mph N | 2% |
| Friday | 92°F | Sunny | 5 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Mentone (34.061, -117.115). Updated through the day.
Growing snapshot for Mentone
Last spring frost
Jan 27
First fall frost
Dec 19
Growing season
329 days
Hardiness zone
10a
More local growing data for Mentone: nearby ZIP 92359 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Adelanto
Apple Valley
Baker
Barstow
Big Bear City
Big Bear Lake
Big River
Bloomington
Bluewater
Chino
Chino Hills
Colton
Crestline
Fontana
Fort Irwin
Grand Terrace
Hesperia
Highland
Homestead Valley
Homewood Canyon
Joshua Tree
Lake Arrowhead
Lenwood
Loma Linda
Lucerne Valley
Lytle Creek
Montclair
Morongo Valley
Mountain View Acres
Muscoy
Climate data from the nearest NOAA station, Redlands, Ca (7.6 mi from Mentone). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.