Mount Laguna, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Laguna, a community in San Diego County, California.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. West wind 5 to 10 mph.
7-day forecast for Mount Laguna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 to 10 mph W | 0% |
| Saturday | 79°F | Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 55°F | Mostly Clear | 0 to 5 mph S | 0% |
| Sunday | 78°F | Mostly Sunny | 5 to 10 mph SE | 0% |
| Sunday Night | 55°F | Partly Cloudy | 0 to 5 mph SW | 3% |
| Monday | 73°F | Sunny | 5 to 10 mph W | 1% |
| Monday Night | 49°F | Mostly Clear | 10 mph W | 0% |
| Tuesday | 76°F | Sunny | 5 to 10 mph W | 0% |
| Tuesday Night | 56°F | Clear | 0 to 5 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 10 mph E | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 5 mph SW | 2% |
| Thursday | 80°F | Sunny | 0 to 10 mph SE | 6% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Friday | 80°F | Sunny | 0 to 5 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Mount Laguna (32.871, -116.425). Updated through the day.
Growing snapshot for Mount Laguna
Last spring frost
Apr 22
First fall frost
Nov 8
Growing season
197 days
Hardiness zone
8a
More local growing data for Mount Laguna: nearby ZIP 91948 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Mt Laguna #3, Ca (3.1 mi from Mount Laguna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.