Barstow, CA Weather Forecast

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Barstow, CA Weather Forecast

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Barstow CA weather  - Clear - 89°F
Clear
89°F
Updated 9:23 am
Feels Like 83°F
Humidity 18%
Wind W 3 mph
Barometer  30.02 in
Dew Point 41°F
Barstow CA weather  - Clear - 32°C
Clear
32°C
Updated 9:23 am
Feels Like 28°C
Humidity 18%
Wind W 5 km/h
Barometer  101.6 kPa
Dew Point 5°C

Barstow Weather Forecast

TODAY TONIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY WEDNESDAY
Barstow, CA Weather - Today Sunny Barstow, CA Weather - Tonight Mostly Clear Barstow, CA Weather - Friday Sunny Barstow, CA Weather - Friday Night Mostly Clear Barstow, CA Weather - Saturday Sunny Barstow, CA Weather - Saturday Night Mostly Clear Barstow, CA Weather - Sunday Mostly Clear Barstow, CA Weather - Monday Mostly Clear Barstow, CA Weather - Tuesday Mostly Clear Barstow, CA Weather - Wednesday Mostly Clear
Sunny Mostly Clear Sunny Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear
Hi: 106°FHi: 41°C
Lo: 78°FLo: 26°C Hi: 104°FHi: 40°C
Lo: 77°FLo: 25°C Hi: 104°FHi: 40°C
Hi: 104°FHi: 40°C
Lo: 76°FLo: 24°C
Hi: 104°FHi: 40°C
Lo: 76°FLo: 24°C
Hi: 104°FHi: 40°C
Lo: 76°FLo: 24°C
Hi: 104°FHi: 40°C
Lo: 76°FLo: 24°C
Hi: 104°FHi: 40°C
Lo: 76°FLo: 24°C
POP = Probability of Precipitation.
Weather Outlook Updated: 500 AM PDT Thu Aug 20 2026 Barstow, CA Weather - WeatherWorld.com

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Barstow Forecast Discussion

Issued: 410 AM PDT THU Aug 20 2026

Key Messages

  • Warm temperatures continue with above- normal afternoon highs and near-record warmth for the morning lows.
  • Thunderstorm chances return to the forecast starting Thursday as monsoon moisture increases, with the highest confidence and most widespread storm coverage on Friday.

Discussion

...Through Tuesday

Overnight lows look to be very similar to the previous night with only a few degrees warmer for a few sites, continuing the pattern of near record-breaking w...