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Hourly Forecast
Daylight Hours
06:37
Sunrise
18:47
Sunset
Moon
Waxing Crescent
12:15
Moonrise
21:15
Moonset
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Weather in Barstow today, September 16, 2026
Expect a mostly clear day in Barstow on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The opening hours look fair, as cloud stays near 2% around 08:00. Morning errands should face fewer weather interruptions.
Expect highs of 32°C and cooler readings close to 17°C. Moisture in the air spans 15%-72%, with the highest values around 07:00. Expect gentle winds, highest near 16:00 at 10.5 km/h.
Afternoon conditions open up, holding cloud close to 6% near 23:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Daylight runs from 06:37 to 18:47, lasting 12 hours 10 minutes of sunlight today.
Overall, Barstow on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 32°C.
Frequently asked questions about weather in Barstow
How warm does it get in Barstow?
The warmest month in Barstow is July, with average high temperatures of 39°C. The average temperature during this period is around 32°C.
How cold does it get in Barstow?
The coldest month in Barstow is December, with average low temperatures of 3°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Barstow?
The wettest month in Barstow is January, with an average of 24mm of precipitation.
What is the driest time of year in Barstow?
The driest month in Barstow is June, with an average of 1mm of precipitation.
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