Lenwood, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lenwood, a community in San Bernardino County, California.
This Afternoon
88°F
Sunny
Sunny, with a high near 88. West wind around 12 mph, with gusts as high as 21 mph.
7-day forecast for Lenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Sunny | 12 mph W | 0% |
| Tonight | 56°F | Clear | 3 to 12 mph W | 0% |
| Saturday | 91°F | Sunny | 5 mph W | 0% |
| Saturday Night | 61°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 94°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 64°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Monday | 88°F | Sunny | 5 to 8 mph W | 8% |
| Monday Night | 62°F | Mostly Clear | 2 to 9 mph WSW | 8% |
| Tuesday | 91°F | Sunny | 5 mph NW | 1% |
| Tuesday Night | 65°F | Clear | 0 to 3 mph N | 0% |
| Wednesday | 94°F | Sunny | 0 to 15 mph NE | 0% |
| Wednesday Night | 67°F | Mostly Clear | 0 to 9 mph NE | 1% |
| Thursday | 96°F | Sunny | 0 to 13 mph ENE | 3% |
| Thursday Night | 69°F | Mostly Clear | 1 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lenwood (34.886, -117.108). Updated through the day.
Growing snapshot for Lenwood
Last spring frost
Feb 22
First fall frost
Nov 23
Growing season
271 days
Hardiness zone
9a
More local growing data for Lenwood: nearby ZIP 92311 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
Loma Linda
Lucerne Valley
Lytle Creek
Mentone
Montclair
Morongo Valley
Mountain View Acres
Muscoy
Climate data from the nearest NOAA station, Barstow, Ca (5.2 mi from Lenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.