Barstow, CA Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. Southeast wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 3 to 7 mph SE | 0% |
| Tonight | 63°F | Mostly Clear | 0 to 7 mph W | 0% |
| Sunday | 90°F | Mostly Sunny | 3 to 9 mph S | 0% |
| Sunday Night | 65°F | Partly Cloudy | 6 to 9 mph SW | 2% |
| Monday | 86°F | Mostly Sunny then Slight Chance Rain Showers | 7 to 10 mph W | 20% |
| Monday Night | 63°F | Slight Chance Rain Showers then Mostly Clear | 10 to 14 mph W | 20% |
| Tuesday | 87°F | Sunny | 3 to 10 mph NNW | 0% |
| Tuesday Night | 66°F | Clear | 0 to 6 mph NNW | 0% |
| Wednesday | 92°F | Sunny | 6 to 14 mph NNE | 0% |
| Wednesday Night | 68°F | Clear | 5 to 9 mph ENE | 0% |
| Thursday | 93°F | Sunny | 6 to 10 mph ENE | 3% |
| Thursday Night | 68°F | Mostly Clear | 6 to 9 mph SW | 5% |
| Friday | 92°F | Sunny | 7 to 13 mph WSW | 7% |
| Friday Night | 67°F | Mostly Clear | 8 to 13 mph WSW | 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 (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.