Lenwood, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lenwood, a community in San Bernardino County, California.
Overnight
72°F
Mostly Clear
Mostly clear. Low around 72, with temperatures rising to around 74 overnight. West wind around 7 mph.
7-day forecast for Lenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 7 mph W | 0% |
| Tuesday | 111°F | Sunny | 6 to 18 mph W | 0% |
| Tuesday Night | 73°F | Clear | 6 to 18 mph WSW | 0% |
| Wednesday | 111°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 74°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Thursday | 110°F | Sunny | 6 mph W | 2% |
| Thursday Night | 75°F | Mostly Clear | 5 to 15 mph WSW | 2% |
| Friday | 111°F | Sunny | 7 mph W | 1% |
| Friday Night | 76°F | Mostly Clear | 6 to 16 mph WSW | 1% |
| Saturday | 112°F | Sunny | 6 to 10 mph W | 3% |
| Saturday Night | 76°F | Mostly Clear | 7 to 17 mph SW | 3% |
| Sunday | 110°F | Sunny | 6 to 18 mph WSW | 4% |
| Sunday Night | 74°F | Mostly Clear | 7 to 20 mph SW | 4% |
| Monday | 106°F | Sunny | 6 to 23 mph WSW | 8% |
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 Aug 4, 2026.