Barstow, CA Weather & Growing Conditions
Today
111°F
Sunny
Sunny. High near 111, with temperatures falling to around 109 in the afternoon. West wind 6 to 20 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 111°F | Sunny | 6 to 20 mph W | 0% |
| Tonight | 72°F | Clear | 5 to 20 mph SW | 0% |
| Wednesday | 111°F | Sunny | 3 to 13 mph WSW | 0% |
| Wednesday Night | 73°F | Clear | 3 to 16 mph WSW | 0% |
| Thursday | 110°F | Sunny | 5 mph WSW | 1% |
| Thursday Night | 74°F | Mostly Clear | 5 to 16 mph SW | 1% |
| Friday | 110°F | Sunny | 7 mph WSW | 1% |
| Friday Night | 75°F | Mostly Clear | 5 to 17 mph WSW | 0% |
| Saturday | 111°F | Sunny | 5 to 10 mph WSW | 3% |
| Saturday Night | 76°F | Mostly Clear | 5 to 18 mph WSW | 3% |
| Sunday | 111°F | Sunny | 5 to 20 mph WSW | 3% |
| Sunday Night | 74°F | Mostly Clear | 6 to 21 mph SW | 3% |
| Monday | 107°F | Sunny | 6 to 24 mph SW | 4% |
| Monday Night | 70°F | Mostly Clear | 7 to 24 mph SW | 3% |
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 (13.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.