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Current weather in Barstow is scattered clouds.

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Weather data for Barstow is updated regularly with the latest available observations and forecasts.

Now · 9:45 AM

Barstow Weather & Hourly Forecast

United States · Washington · 99141

66°F

Partly cloudy

Feels like: 64°F

💧 Humidity 47% 🌡 Pressure 29.88 inHg 💨 Wind 2 mph 👁 Visibility 29.9 mi ☁ Clouds 57% ☀️ UV index 0.8 · Low 🌅 Sunrise 6:38 AM 🌇 Sunset 6:52 PM

Hourly Forecast for Barstow

Today

10:00 AM

Partly cloudy

66° 💧 None 💨 2 mph H 47%29.88 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 38%29.83 inHg

4:00 PM

Sunny

77° 💧 None 💨 9 mph H 27%29.77 inHg

7:00 PM

Clear night

64° 💧 None 💨 4 mph H 41%29.80 inHg

10:00 PM

Clear night

55° 💧 None 💨 1 mph H 59%29.88 inHg

Tomorrow

1:00 AM

Mostly cloudy night

51° 💧 None 💨 1 mph H 63%29.91 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 1 mph H 65%29.97 inHg

7:00 AM

Mostly sunny

48° 💧 None 💨 0 mph H 67%30.03 inHg

10:00 AM

Partly cloudy

59° 💧 None 💨 4 mph H 53%30.06 inHg

1:00 PM

Overcast

66° 💧 None 💨 5 mph H 38%30.03 inHg

4:00 PM

Sunny

69° 💧 None 💨 8 mph H 31%30.00 inHg

7:00 PM

Clear night

59° 💧 None 💨 3 mph H 48%29.97 inHg

10:00 PM

Mostly clear night

54° 💧 None 💨 1 mph H 56%30.03 inHg

Thursday

1:00 AM

Partly cloudy night

49° 💧 None 💨 1 mph H 62%30.03 inHg

4:00 AM

Overcast night

48° 💧 None 💨 2 mph H 63%30.03 inHg

7:00 AM

Overcast

48° 💧 None 💨 3 mph H 63%30.00 inHg

Today

10:00 AM

Partly cloudy

66° 💧 None 💨 2 mph H 47%29.88 inHg

11:00 AM

Overcast

69° 💧 None 💨 3 mph H 43%29.85 inHg

12:00 PM

Mostly cloudy

71° 💧 None 💨 4 mph H 40%29.85 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 38%29.83 inHg

2:00 PM

Mostly cloudy

76° 💧 None 💨 7 mph H 34%29.80 inHg

3:00 PM

Sunny

77° 💧 None 💨 8 mph H 29%29.80 inHg

4:00 PM

Sunny

77° 💧 None 💨 9 mph H 27%29.77 inHg

5:00 PM

Sunny

75° 💧 None 💨 9 mph H 26%29.77 inHg

6:00 PM

Sunny

72° 💧 None 💨 6 mph H 31%29.77 inHg

7:00 PM

Clear night

64° 💧 None 💨 4 mph H 41%29.80 inHg

8:00 PM

Clear night

61° 💧 None 💨 3 mph H 48%29.83 inHg

9:00 PM

Clear night

58° 💧 None 💨 2 mph H 53%29.85 inHg

10:00 PM

Clear night

55° 💧 None 💨 1 mph H 59%29.88 inHg

11:00 PM

Partly cloudy night

53° 💧 None 💨 1 mph H 62%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

52° 💧 None 💨 1 mph H 62%29.88 inHg

1:00 AM

Mostly cloudy night

51° 💧 None 💨 1 mph H 63%29.91 inHg

2:00 AM

Partly cloudy night

50° 💧 None 💨 1 mph H 64%29.94 inHg

3:00 AM

Mostly clear night

49° 💧 None 💨 1 mph H 65%29.94 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 1 mph H 65%29.97 inHg

5:00 AM

Partly cloudy night

48° 💧 None 💨 1 mph H 66%29.97 inHg

6:00 AM

Partly cloudy night

48° 💧 None 💨 0 mph H 66%30.00 inHg

7:00 AM

Mostly sunny

48° 💧 None 💨 0 mph H 67%30.03 inHg

8:00 AM

Mostly sunny

52° 💧 None 💨 0 mph H 65%30.06 inHg

9:00 AM

Partly cloudy

56° 💧 None 💨 2 mph H 58%30.06 inHg

10:00 AM

Partly cloudy

59° 💧 None 💨 4 mph H 53%30.06 inHg

11:00 AM

Partly cloudy

62° 💧 None 💨 4 mph H 45%30.06 inHg

12:00 PM

Mostly cloudy

64° 💧 None 💨 5 mph H 40%30.06 inHg

1:00 PM

Overcast

66° 💧 None 💨 5 mph H 38%30.03 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 7 mph H 35%30.00 inHg

3:00 PM

Sunny

68° 💧 None 💨 8 mph H 32%30.00 inHg

4:00 PM

Sunny

69° 💧 None 💨 8 mph H 31%30.00 inHg

5:00 PM

Sunny

68° 💧 None 💨 8 mph H 32%30.00 inHg

6:00 PM

Sunny

65° 💧 None 💨 5 mph H 36%29.97 inHg

7:00 PM

Clear night

59° 💧 None 💨 3 mph H 48%29.97 inHg

8:00 PM

Partly cloudy night

58° 💧 None 💨 1 mph H 50%30.00 inHg

9:00 PM

Mostly clear night

56° 💧 None 💨 1 mph H 53%30.00 inHg

10:00 PM

Mostly clear night

54° 💧 None 💨 1 mph H 56%30.03 inHg

11:00 PM

Mostly clear night

52° 💧 None 💨 1 mph H 59%30.03 inHg

Thursday

12:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 62%30.03 inHg

1:00 AM

Partly cloudy night

49° 💧 None 💨 1 mph H 62%30.03 inHg

2:00 AM

Overcast night

48° 💧 None 💨 2 mph H 63%30.03 inHg

3:00 AM

Overcast night

48° 💧 None 💨 2 mph H 63%30.03 inHg

4:00 AM

Overcast night

48° 💧 None 💨 2 mph H 63%30.03 inHg

5:00 AM

Mostly cloudy night

48° 💧 None 💨 2 mph H 63%30.03 inHg

6:00 AM

Overcast night

47° 💧 None 💨 2 mph H 65%30.00 inHg

7:00 AM

Overcast

48° 💧 None 💨 3 mph H 63%30.00 inHg

8:00 AM

Overcast

50° 💧 None 💨 3 mph H 61%30.00 inHg

9:00 AM

Overcast

52° 💧 None 💨 2 mph H 59%30.00 inHg

10:00 AM

Overcast

58° 💧 None 💨 2 mph H 48%29.97 inHg

11:00 AM

Overcast

61° 💧 None 💨 3 mph H 42%29.97 inHg

12:00 PM

Mostly cloudy

65° 💧 None 💨 3 mph H 35%29.94 inHg

1:00 PM

Overcast

68° 💧 None 💨 3 mph H 28%29.88 inHg

2:00 PM

Mostly cloudy

71° 💧 None 💨 3 mph H 24%29.85 inHg

3:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 24%29.83 inHg

4:00 PM

Overcast

73° 💧 None 💨 1 mph H 26%29.80 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 1 mph H 28%29.77 inHg

Friday

2:00 AM

Moderate rain

55° 💧 None 💨 2 mph H 66%29.74 inHg

5:00 AM

Light rain

51° 💧 None 💨 1 mph H 84%29.74 inHg

8:00 AM

Moderate rain

52° 💧 None 💨 1 mph H 86%29.74 inHg

11:00 AM

Moderate rain

53° 💧 None 💨 3 mph H 97%29.74 inHg

2:00 PM

Light rain

51° 💧 None 💨 5 mph H 96%29.74 inHg

5:00 PM

Moderate rain

51° 💧 None 💨 3 mph H 90%29.77 inHg

8:00 PM

Light rain

47° 💧 None 💨 2 mph H 96%29.80 inHg

11:00 PM

Moderate rain

47° 💧 None 💨 3 mph H 97%29.83 inHg

Saturday

2:00 AM

Partly cloudy night

45° 💧 None 💨 4 mph H 94%29.88 inHg

5:00 AM

Partly cloudy night

43° 💧 None 💨 3 mph H 95%29.97 inHg

8:00 AM

Partly cloudy

44° 💧 None 💨 2 mph H 94%30.03 inHg

11:00 AM

Light rain

51° 💧 None 💨 1 mph H 68%30.03 inHg

2:00 PM

Light rain

50° 💧 None 💨 4 mph H 74%30.03 inHg

5:00 PM

Mostly sunny

52° 💧 None 💨 2 mph H 61%30.00 inHg

8:00 PM

Mostly clear night

44° 💧 None 💨 0 mph H 82%30.03 inHg

11:00 PM

Mostly cloudy night

40° 💧 None 💨 2 mph H 81%30.06 inHg

Sunday

2:00 AM

Mostly cloudy night

40° 💧 None 💨 1 mph H 78%30.06 inHg

5:00 AM

Overcast night

41° 💧 None 💨 1 mph H 76%30.06 inHg

8:00 AM

Overcast

43° 💧 None 💨 1 mph H 80%30.06 inHg

11:00 AM

Overcast

51° 💧 None 💨 2 mph H 65%30.03 inHg

2:00 PM

Overcast

54° 💧 None 💨 4 mph H 57%29.97 inHg

5:00 PM

Partly cloudy

54° 💧 None 💨 2 mph H 56%29.94 inHg

8:00 PM

Clear night

44° 💧 None 💨 2 mph H 77%29.94 inHg

11:00 PM

Clear night

39° 💧 None 💨 3 mph H 77%29.97 inHg

Monday

5:00 AM

Clear night

42° 💧 None 💨 2 mph H 54%29.97 inHg

11:00 AM

Sunny

41° 💧 None 💨 2 mph H 56%29.97 inHg

5:00 PM

Partly cloudy

54° 💧 None 💨 3 mph H 46%29.97 inHg

11:00 PM

Mostly clear night

58° 💧 None 💨 5 mph H 40%29.88 inHg

Tuesday

5:00 AM

Mostly cloudy night

42° 💧 None 💨 2 mph H 64%29.88 inHg

11:00 AM

Mostly cloudy

43° 💧 None 💨 1 mph H 61%29.88 inHg

5:00 PM

Mostly sunny

54° 💧 None 💨 4 mph H 61%29.88 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 6 mph H 48%29.77 inHg

Wednesday

5:00 AM

Overcast night

48° 💧 None 💨 2 mph H 77%29.74 inHg

11:00 AM

Light rain

47° 💧 None 💨 1 mph H 90%29.77 inHg

5:00 PM

Light rain

54° 💧 None 💨 1 mph H 73%29.85 inHg

11:00 PM

Mostly cloudy night

56° 💧 None 💨 3 mph H 61%29.83 inHg

Thursday

5:00 AM

Overcast night

46° 💧 None 💨 2 mph H 75%29.85 inHg

11:00 AM

Overcast

44° 💧 None 💨 1 mph H 74%29.85 inHg

5:00 PM

Mostly sunny

56° 💧 None 💨 1 mph H 52%29.88 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 43%29.88 inHg

Friday

5:00 AM

Partly cloudy night

43° 💧 None 💨 2 mph H 54%29.94 inHg

11:00 AM

Mostly cloudy

44° 💧 None 💨 1 mph H 47%29.94 inHg

5:00 PM

Sunny

55° 💧 None 💨 2 mph H 44%29.97 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 3 mph H 40%29.94 inHg

Saturday

5:00 AM

Clear night

41° 💧 None 💨 4 mph H 72%30.03 inHg

11:00 AM

Sunny

39° 💧 None 💨 3 mph H 71%30.15 inHg

5:00 PM

Partly cloudy

55° 💧 None 💨 2 mph H 48%30.24 inHg

11:00 PM

Mostly clear night

58° 💧 None 💨 3 mph H 47%30.18 inHg

Sunday

5:00 AM

Mostly cloudy night

46° 💧 None 💨 1 mph H 71%30.21 inHg

11:00 AM

Mostly cloudy

45° 💧 None 💨 1 mph H 62%30.18 inHg

5:00 PM

Overcast

56° 💧 None 💨 3 mph H 54%30.15 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 2 mph H 59%30.03 inHg

Monday

5:00 AM

Clear night

48° 💧 None 💨 2 mph H 68%30.03 inHg

11:00 AM

Mostly sunny

47° 💧 None 💨 1 mph H 61%30.06 inHg

5:00 PM

Partly cloudy

59° 💧 None 💨 3 mph H 52%30.09 inHg

11:00 PM

Mostly clear night

62° 💧 None 💨 2 mph H 53%30.03 inHg

Tuesday

5:00 AM

Clear night

51° 💧 None 💨 1 mph H 66%30.03 inHg

11:00 AM

Sunny

50° 💧 None 💨 1 mph H 61%30.03 inHg

5:00 PM

Mostly sunny

63° 💧 None 💨 3 mph H 48%30.06 inHg

11:00 PM

Mostly cloudy night

66° 💧 None 💨 1 mph H 53%29.94 inHg

In Barstow and, more broadly, across the state of Washington: Clear skies will persist into the evening, with temperatures remaining mild between 58 and 67 degrees Fahrenheit. Light eastward winds are expected, averaging around 2 mph, with occasional gusts reaching up to 9 mph. No precipitation is anticipated during the next few hours, providing a calm and dry evening. Temperatures will gradually cool as the night progresses, but conditions should remain comfortable and clear through the late evening and into the early morning hours.

15-Day Weather Outlook for Barstow

TomorrowTomorrow

Mostly cloudy 69°/48° 💧 None 💨 8 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 73°/47° 💧 None 💨 3 mph

Friday, Sep 25Fri Sep 25

Moderate rain 55°/47° 💧 0.988 in 💨 5 mph

Saturday, Sep 26Sat Sep 26

Light rain 52°/40° 💧 0.225 in 💨 4 mph

Sunday, Sep 27Sun Sep 27

Overcast 54°/39° 💧 0.005 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 58°/41° 💧 0.577 in 💨 5 mph

Tuesday, Sep 29Tue Sep 29

Mostly cloudy 57°/42° 💧 None 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Light rain 56°/47° 💧 0.195 in 💨 3 mph

Thursday, Oct 1Thu Oct 1

Mostly sunny 57°/44° 💧 0.012 in 💨 2 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 59°/43° 💧 None 💨 3 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 58°/39° 💧 None 💨 4 mph

Sunday, Oct 4Sun Oct 4

Mostly cloudy 58°/45° 💧 None 💨 3 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 62°/47° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 66°/50° 💧 None 💨 3 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Barstow

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Barstow

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 AM

PM2.5 Fine particles Good 5,9µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 8,4µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 45,8µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 5,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Barstow

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 3,9Moderate 😊Good

Tomorrow UV 2,4Low 🙂Fair

Thursday UV 2,9Low 😐Moderate

Friday UV 2,4Low 🙂Fair

Saturday UV 4,0Moderate 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

10:00 AMUV 1,8 11:00 AMUV 2,8 12:00 PMUV 3,5 1:00 PMUV 3,9 2:00 PMUV 3,6 3:00 PMUV 2,8 4:00 PMUV 1,6 5:00 PMUV 0,7 6:00 PMUV 0,2 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Barstow

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · BARSTOW, WASHINGTON

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

93/100Best-hour score

BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 8:37 PM–4:54 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 87% Waxing Gibbous · Moon about 23° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 0° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min5%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Barstow were last refreshed today at 9:45 AM. The current forecast period extends through 24/09/2026 at 7:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.