Barstow Heights

Walla Walla County, California, United States

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Current Weather

16°

Clear

Feels Like: 17°

Min: 15°

Max: 31°

The next few hours will be clear, with today reaching 31°C and dropping to 16°C. The coming days will be clear

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Hourly Forecast

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Today
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Daylight Hours

06:37

Sunrise

18:47

Sunset

12 hours 10 minutes of sunlight today

Moon

Waxing Crescent

12:15

Moonrise

21:15

Moonset

Daily Forecast

Today

15°
31°

Thursday

16°
32°

Friday

20°
33°

Saturday

20°
29°

Sunday

19°
31°

Monday

20°
31°

Tuesday

20°
28°

Wednesday

20°
27°

Thursday

16°
32°

Friday

21°
33°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

69% Comfortable
Low High

Weather in Barstow Heights today, September 16, 2026

Barstow Heights is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Expect a brighter morning, with limited cloud around 3% by 09:00. Conditions start on a settled note.

The temperature range runs from about 15°C up to 31°C. The air stays humid, with relative humidity between 15% and 87% and the peak around 23:00. Winds stay light, near 10.5 km/h by 15:00, so the day feels still more than breezy.

Expect a more open afternoon, with limited cloud around 4% by 23:00. Residual damp risk should be lower than earlier. Visibility stays generally good near 15.8 km on average, though it can drop toward 11.1 km in thicker cloud or showers. Expect sunrise at 06:37, sunset at 18:47, and 12 hours 10 minutes of sunlight today overall.

The practical takeaway for Barstow Heights is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 31°C.

Frequently asked questions about weather in Barstow Heights

How warm does it get in Barstow Heights?

The warmest month in Barstow Heights is July, with average high temperatures of 38°C. The average temperature during this period is around 31°C.

How cold does it get in Barstow Heights?

The coldest month in Barstow Heights is January, with average low temperatures of 4°C. The average temperature during this period is around 9°C.

What is the wettest time of year in Barstow Heights?

The wettest month in Barstow Heights is January, with an average of 25mm of precipitation.

What is the driest time of year in Barstow Heights?

The driest month in Barstow Heights is June, with an average of 2mm of precipitation.

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Metric (°C, km/h)