Barstow, CA Weather & Growing Conditions
This Afternoon
69°F
Sunny
Sunny. High near 69, with temperatures falling to around 65 in the afternoon. West southwest wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Sunny | 9 mph WSW | 0% |
| Tonight | 47°F | Clear | 12 to 21 mph W | 0% |
| Wednesday | 68°F | Sunny | 3 to 10 mph WNW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 6 mph N | 0% |
| Thursday | 70°F | Mostly Sunny | 7 mph NNE | 0% |
| Thursday Night | 50°F | Mostly Clear | 7 mph N | 0% |
| Friday | 72°F | Sunny | 7 to 12 mph NNE | 0% |
| Friday Night | 50°F | Clear | 8 mph NNE | 0% |
| Saturday | 74°F | Sunny | 7 to 10 mph NE | 0% |
| Saturday Night | 52°F | Clear | 7 mph NE | 0% |
| Sunday | 74°F | Sunny | 7 to 13 mph NE | 0% |
| Sunday Night | 53°F | Partly Cloudy | 6 to 9 mph NNE | 0% |
| Monday | 74°F | Mostly Sunny | 6 mph SW | 0% |
| Monday Night | 53°F | Partly Cloudy | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Barstow, CA
Last spring frost
Feb 22
First fall frost
Nov 23
Growing season
271 days
Hardiness zone
9a
Explore more for Barstow, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Barstow, Ca (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.