Lenwood, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lenwood, a community in San Bernardino County, California.
Overnight
46°F
Clear
Clear, with a low around 46. West wind 5 to 16 mph, with gusts as high as 26 mph.
7-day forecast for Lenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Clear | 5 to 16 mph W | 0% |
| Wednesday | 69°F | Sunny | 5 mph NW | 0% |
| Wednesday Night | 45°F | Mostly Clear | 2 mph SW | 0% |
| Thursday | 72°F | Mostly Sunny | 1 to 7 mph NNE | 0% |
| Thursday Night | 45°F | Mostly Clear | 3 mph NNE | 0% |
| Friday | 74°F | Sunny | 2 to 13 mph NNE | 0% |
| Friday Night | 47°F | Clear | 1 to 6 mph NE | 0% |
| Saturday | 75°F | Sunny | 3 to 12 mph NE | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 to 6 mph ENE | 0% |
| Sunday | 76°F | Sunny | 2 to 16 mph ENE | 0% |
| Sunday Night | 50°F | Mostly Clear | 2 to 8 mph E | 0% |
| Monday | 76°F | Sunny | 2 to 6 mph NE | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 to 5 mph S | 0% |
| Tuesday | 75°F | Sunny | 3 mph W | 2% |
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
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Highland
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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 Nov 4, 2026.