Fort Irwin, CA Weather & Growing Conditions
Overnight
61°F
Clear
Clear, with a low around 61. North northwest wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Clear | 12 mph NNW | 0% |
| Saturday | 84°F | Sunny | 2 to 10 mph NNE | 0% |
| Saturday Night | 65°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Sunday | 86°F | Mostly Sunny | 3 to 10 mph E | 0% |
| Sunday Night | 67°F | Partly Cloudy | 5 to 9 mph SW | 2% |
| Monday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph SSW | 33% |
| Monday Night | 64°F | Chance Showers And Thunderstorms then Mostly Clear | 10 mph W | 33% |
| Tuesday | 83°F | Sunny | 5 to 10 mph NE | 1% |
| Tuesday Night | 66°F | Clear | 0 to 5 mph N | 0% |
| Wednesday | 87°F | Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 68°F | Clear | 6 mph WSW | 1% |
| Thursday | 88°F | Sunny | 5 to 10 mph E | 3% |
| Thursday Night | 69°F | Mostly Clear | 7 mph SW | 4% |
| Friday | 88°F | Sunny | 6 to 10 mph SSW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Irwin, CA
Last spring frost
Feb 19
First fall frost
Nov 26
Growing season
279 days
Hardiness zone
9a
Explore more for Fort Irwin, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Barstow Daggett Ap, Ca (33.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.