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Current weather in Barstow is overcast clouds.

Where can I find the hourly weather forecast for Barstow?

This page shows hourly weather forecast for Barstow, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Barstow updated regularly?

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

Now · 10:19 AM

Barstow Weather & Hourly Forecast

United States · Washington · 99141

71°F

Overcast

Feels like: 70°F

💧 Humidity 53% 🌡 Pressure 29.80 inHg 💨 Wind 1 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 2.9 · Low 🌅 Sunrise 6:09 AM 🌇 Sunset 7:35 PM

Hourly Forecast for Barstow

Today

11:00 AM

Overcast

71° 💧 None 💨 1 mph H 53%29.80 inHg

2:00 PM

Overcast

83° 💧 None 💨 3 mph H 32%29.68 inHg

5:00 PM

Overcast

82° 💧 None 💨 9 mph H 24%29.62 inHg

8:00 PM

Overcast night

70° 💧 None 💨 1 mph H 45%29.65 inHg

11:00 PM

Mostly cloudy night

62° 💧 None 💨 1 mph H 53%29.68 inHg

Tomorrow

2:00 AM

Overcast night

58° 💧 0.01 in 💨 2 mph H 54%29.68 inHg

5:00 AM

Light rain

54° 💧 0.03 in 💨 2 mph H 72%29.68 inHg

8:00 AM

Light rain

56° 💧 0.02 in 💨 3 mph H 85%29.74 inHg

11:00 AM

Overcast

62° 💧 0.02 in 💨 6 mph H 60%29.77 inHg

2:00 PM

Light rain

65° 💧 0.01 in 💨 7 mph H 73%29.80 inHg

5:00 PM

Overcast

68° 💧 None 💨 5 mph H 52%29.74 inHg

8:00 PM

Overcast night

60° 💧 None 💨 1 mph H 78%29.77 inHg

11:00 PM

Overcast night

54° 💧 None 💨 1 mph H 85%29.74 inHg

Thursday

2:00 AM

Overcast night

54° 💧 0.01 in 💨 3 mph H 89%29.74 inHg

5:00 AM

Light rain

53° 💧 0.02 in 💨 2 mph H 97%29.77 inHg

8:00 AM

Overcast

54° 💧 0.01 in 💨 2 mph H 97%29.77 inHg

Today

11:00 AM

Overcast

71° 💧 None 💨 1 mph H 53%29.80 inHg

12:00 PM

Overcast

74° 💧 None 💨 3 mph H 47%29.77 inHg

1:00 PM

Overcast

79° 💧 None 💨 2 mph H 40%29.74 inHg

2:00 PM

Overcast

83° 💧 None 💨 3 mph H 32%29.68 inHg

3:00 PM

Overcast

86° 💧 None 💨 5 mph H 23%29.62 inHg

4:00 PM

Overcast

84° 💧 None 💨 9 mph H 18%29.59 inHg

5:00 PM

Overcast

82° 💧 None 💨 9 mph H 24%29.62 inHg

6:00 PM

Overcast

79° 💧 None 💨 5 mph H 32%29.62 inHg

7:00 PM

Overcast

75° 💧 None 💨 2 mph H 40%29.62 inHg

8:00 PM

Overcast night

70° 💧 None 💨 1 mph H 45%29.65 inHg

9:00 PM

Mostly cloudy night

67° 💧 None 💨 2 mph H 50%29.65 inHg

10:00 PM

Mostly cloudy night

64° 💧 None 💨 1 mph H 51%29.68 inHg

11:00 PM

Mostly cloudy night

62° 💧 None 💨 1 mph H 53%29.68 inHg

Tomorrow

12:00 AM

Overcast night

60° 💧 None 💨 1 mph H 53%29.68 inHg

1:00 AM

Overcast night

59° 💧 None 💨 2 mph H 52%29.71 inHg

2:00 AM

Overcast night

58° 💧 None 💨 2 mph H 54%29.68 inHg

3:00 AM

Overcast night

56° 💧 None 💨 1 mph H 53%29.68 inHg

4:00 AM

Light rain

55° 💧 0.01 in 💨 2 mph H 62%29.68 inHg

5:00 AM

Light rain

54° 💧 0.01 in 💨 2 mph H 72%29.68 inHg

6:00 AM

Light rain

53° 💧 0.01 in 💨 2 mph H 78%29.71 inHg

7:00 AM

Light rain

54° 💧 0.01 in 💨 3 mph H 86%29.71 inHg

8:00 AM

Light rain

56° 💧 0.02 in 💨 3 mph H 85%29.74 inHg

9:00 AM

Overcast

59° 💧 None 💨 5 mph H 80%29.74 inHg

10:00 AM

Overcast

61° 💧 None 💨 7 mph H 70%29.74 inHg

11:00 AM

Overcast

62° 💧 None 💨 6 mph H 60%29.77 inHg

12:00 PM

Light rain

62° 💧 0.01 in 💨 7 mph H 69%29.77 inHg

1:00 PM

Light rain

63° 💧 0.01 in 💨 6 mph H 76%29.80 inHg

2:00 PM

Light rain

65° 💧 0.01 in 💨 7 mph H 73%29.80 inHg

3:00 PM

Light rain

66° 💧 0.01 in 💨 6 mph H 68%29.77 inHg

4:00 PM

Overcast

69° 💧 None 💨 5 mph H 56%29.74 inHg

5:00 PM

Overcast

68° 💧 None 💨 5 mph H 52%29.74 inHg

6:00 PM

Overcast

68° 💧 None 💨 5 mph H 53%29.74 inHg

7:00 PM

Mostly cloudy

64° 💧 None 💨 3 mph H 64%29.74 inHg

8:00 PM

Overcast night

60° 💧 None 💨 1 mph H 78%29.77 inHg

9:00 PM

Overcast night

57° 💧 None 💨 2 mph H 82%29.77 inHg

10:00 PM

Overcast night

55° 💧 None 💨 2 mph H 82%29.77 inHg

11:00 PM

Overcast night

54° 💧 None 💨 1 mph H 85%29.74 inHg

Thursday

12:00 AM

Overcast night

52° 💧 None 💨 2 mph H 91%29.74 inHg

1:00 AM

Overcast night

53° 💧 None 💨 2 mph H 89%29.74 inHg

2:00 AM

Overcast night

54° 💧 None 💨 3 mph H 89%29.74 inHg

3:00 AM

Light rain

54° 💧 0.01 in 💨 2 mph H 92%29.74 inHg

4:00 AM

Overcast night

53° 💧 None 💨 3 mph H 95%29.74 inHg

5:00 AM

Light rain

53° 💧 0.01 in 💨 2 mph H 97%29.77 inHg

6:00 AM

Light rain

52° 💧 0.00 in 💨 2 mph H 98%29.77 inHg

7:00 AM

Light rain

53° 💧 0.01 in 💨 2 mph H 98%29.77 inHg

8:00 AM

Overcast

54° 💧 None 💨 2 mph H 97%29.77 inHg

9:00 AM

Overcast

57° 💧 None 💨 3 mph H 88%29.77 inHg

10:00 AM

Light rain

60° 💧 0.01 in 💨 5 mph H 77%29.77 inHg

11:00 AM

Light rain

61° 💧 0.01 in 💨 5 mph H 69%29.77 inHg

12:00 PM

Overcast

65° 💧 None 💨 5 mph H 56%29.77 inHg

1:00 PM

Light rain

66° 💧 0.00 in 💨 5 mph H 52%29.74 inHg

2:00 PM

Light rain

66° 💧 0.01 in 💨 7 mph H 51%29.74 inHg

3:00 PM

Light rain

66° 💧 0.01 in 💨 6 mph H 52%29.74 inHg

4:00 PM

Light rain

64° 💧 0.01 in 💨 7 mph H 59%29.74 inHg

5:00 PM

Light rain

60° 💧 0.03 in 💨 5 mph H 78%29.77 inHg

6:00 PM

Light rain

57° 💧 0.03 in 💨 1 mph H 90%29.80 inHg

7:00 PM

Light rain

56° 💧 0.02 in 💨 1 mph H 91%29.80 inHg

8:00 PM

Light rain

53° 💧 0.00 in 💨 1 mph H 94%29.83 inHg

9:00 PM

Overcast night

52° 💧 None 💨 2 mph H 96%29.83 inHg

10:00 PM

Overcast night

52° 💧 None 💨 2 mph H 95%29.83 inHg

11:00 PM

Overcast night

51° 💧 None 💨 3 mph H 95%29.83 inHg

Friday

12:00 AM

Overcast night

51° 💧 None 💨 3 mph H 94%29.83 inHg

1:00 AM

Overcast night

51° 💧 None 💨 2 mph H 94%29.83 inHg

2:00 AM

Overcast night

51° 💧 None 💨 2 mph H 93%29.83 inHg

3:00 AM

Overcast night

51° 💧 None 💨 1 mph H 93%29.85 inHg

4:00 AM

Overcast night

51° 💧 None 💨 2 mph H 93%29.85 inHg

5:00 AM

Overcast night

50° 💧 None 💨 2 mph H 94%29.85 inHg

6:00 AM

Overcast night

49° 💧 None 💨 2 mph H 95%29.88 inHg

7:00 AM

Overcast

50° 💧 None 💨 1 mph H 93%29.91 inHg

8:00 AM

Overcast

53° 💧 None 💨 1 mph H 87%29.91 inHg

9:00 AM

Overcast

57° 💧 None 💨 2 mph H 79%29.91 inHg

10:00 AM

Light rain

62° 💧 0.00 in 💨 3 mph H 66%29.91 inHg

11:00 AM

Light rain

64° 💧 0.01 in 💨 3 mph H 57%29.91 inHg

12:00 PM

Light rain

65° 💧 0.02 in 💨 4 mph H 57%29.91 inHg

1:00 PM

Light rain

65° 💧 0.03 in 💨 4 mph H 59%29.91 inHg

2:00 PM

Light rain

66° 💧 0.02 in 💨 4 mph H 58%29.91 inHg

3:00 PM

Light rain

68° 💧 0.01 in 💨 3 mph H 53%29.91 inHg

4:00 PM

Light rain

66° 💧 0.01 in 💨 2 mph H 53%29.94 inHg

5:00 PM

Light rain

64° 💧 0.02 in 💨 1 mph H 59%29.94 inHg

6:00 PM

Light rain

63° 💧 0.01 in 💨 1 mph H 66%29.97 inHg

7:00 PM

Overcast

59° 💧 None 💨 1 mph H 71%29.97 inHg

8:00 PM

Overcast night

54° 💧 None 💨 2 mph H 82%30.00 inHg

9:00 PM

Mostly cloudy night

52° 💧 None 💨 3 mph H 87%30.06 inHg

10:00 PM

Mostly cloudy night

51° 💧 None 💨 3 mph H 89%30.06 inHg

11:00 PM

Partly cloudy night

51° 💧 None 💨 3 mph H 89%30.06 inHg

Saturday

12:00 AM

Clear night

50° 💧 None 💨 3 mph H 90%30.06 inHg

1:00 AM

Clear night

49° 💧 None 💨 3 mph H 92%30.06 inHg

2:00 AM

Clear night

49° 💧 None 💨 3 mph H 94%30.09 inHg

3:00 AM

Clear night

48° 💧 None 💨 3 mph H 95%30.09 inHg

4:00 AM

Clear night

48° 💧 None 💨 3 mph H 95%30.09 inHg

5:00 AM

Clear night

47° 💧 None 💨 3 mph H 96%30.12 inHg

6:00 AM

Clear night

47° 💧 None 💨 4 mph H 95%30.12 inHg

7:00 AM

Sunny

48° 💧 None 💨 3 mph H 93%30.12 inHg

8:00 AM

Sunny

53° 💧 None 💨 3 mph H 83%30.09 inHg

9:00 AM

Sunny

58° 💧 None 💨 4 mph H 73%30.06 inHg

10:00 AM

Sunny

63° 💧 None 💨 4 mph H 61%30.06 inHg

In Barstow and, more broadly, across the state of Washington: The rest of the day will see mostly cloudy skies with mild temperatures ranging from 54 to 66 degrees Fahrenheit. There is a high likelihood of rain, with an estimated accumulation of around 0.06 inches. Winds will be light, coming from the west at a maximum of 8 mph, with gusts reaching up to 11 mph. Folks should be prepared for the possibility of rain during the afternoon hours, so carrying an umbrella or rain gear is advisable. Overall, it will be a relatively cool and damp day with occasional light breezes.

15-Day Weather Outlook for Barstow

TomorrowTomorrow

Light rain 69°/53° 💧 0.08 in 💨 7 mph

Thursday, Sep 3Thu Sep 3

Light rain 66°/51° 💧 0.16 in 💨 7 mph

Friday, Sep 4Fri Sep 4

Light rain 66°/49° 💧 0.15 in 💨 4 mph

Saturday, Sep 5Sat Sep 5

Sunny 75°/47° 💧 None 💨 4 mph

Sunday, Sep 6Sun Sep 6

Light rain 79°/55° 💧 0.01 in 💨 5 mph

Monday, Sep 7Mon Sep 7

Heavy rain 81°/57° 💧 0.72 in 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Overcast 69°/55° 💧 None 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Sunny 73°/52° 💧 None 💨 12 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 73°/49° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Sunny 74°/47° 💧 None 💨 4 mph

Saturday, Sep 12Sat Sep 12

Sunny 73°/48° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Overcast 75°/47° 💧 None 💨 4 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 79°/54° 💧 None 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 80°/53° 💧 None 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Overcast 82°/53° 💧 None 💨 9 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 11:00 AM

PM2.5 Fine particles Good 2,0µg/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 2,4µg/m³

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

O₃ Ozone Good 52,7µg/m³

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

NO₂ Nitrogen dioxide Good 2,8µg/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 5,5Moderate 😊Good

Tomorrow UV 3,9Moderate 🙂Fair

Thursday UV 2,8Low 😐Moderate

Friday UV 4,9Moderate 😐Moderate

Saturday UV 5,0Moderate 😊Good

Sunday UV 6,0High —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

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

Internal PR simulation: 3.56 Population: 246

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Forecast data for Barstow were last refreshed today at 10:19 AM. The current forecast period extends through 03/09/2026 at 8:00 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.