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Current weather in Hartley is overcast clouds.

Where can I find the hourly weather forecast for Hartley?

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

Is the weather forecast for Hartley updated regularly?

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

Now · 6:43 AM

Hartley Weather & Hourly Forecast

United States · California · 95688

74°F

Overcast night

Feels like: 71°F

💧 Humidity 24% 🌡 Pressure 30.03 inHg 💨 Wind 1 mph 👁 Visibility 23.2 mi ☁ Clouds 96% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Hartley

Today

7:00 AM

Overcast

74° 💧 None 💨 1 mph H 24%30.03 inHg

10:00 AM

Overcast

87° 💧 None 💨 1 mph H 16%30.06 inHg

1:00 PM

Overcast

97° 💧 None 💨 3 mph H 11%30.00 inHg

4:00 PM

Overcast

101° 💧 None 💨 4 mph H 11%29.94 inHg

7:00 PM

Mostly cloudy

95° 💧 None 💨 5 mph H 15%29.91 inHg

10:00 PM

Mostly clear night

81° 💧 None 💨 3 mph H 28%29.94 inHg

Tomorrow

1:00 AM

Mostly clear night

78° 💧 None 💨 4 mph H 30%29.94 inHg

4:00 AM

Clear night

74° 💧 None 💨 4 mph H 32%29.91 inHg

7:00 AM

Mostly sunny

70° 💧 None 💨 3 mph H 39%29.94 inHg

10:00 AM

Sunny

88° 💧 None 💨 3 mph H 22%29.94 inHg

1:00 PM

Sunny

98° 💧 None 💨 7 mph H 17%29.88 inHg

4:00 PM

Partly cloudy

98° 💧 None 💨 12 mph H 15%29.83 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 27%29.83 inHg

10:00 PM

Clear night

72° 💧 None 💨 6 mph H 48%29.85 inHg

Friday

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 68%29.85 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 76%29.85 inHg

Today

7:00 AM

Overcast

74° 💧 None 💨 1 mph H 24%30.03 inHg

8:00 AM

Overcast

77° 💧 None 💨 1 mph H 28%30.06 inHg

9:00 AM

Overcast

82° 💧 None 💨 1 mph H 19%30.06 inHg

10:00 AM

Overcast

87° 💧 None 💨 1 mph H 16%30.06 inHg

11:00 AM

Overcast

90° 💧 None 💨 2 mph H 14%30.06 inHg

12:00 PM

Overcast

95° 💧 None 💨 3 mph H 12%30.03 inHg

1:00 PM

Overcast

97° 💧 None 💨 3 mph H 11%30.00 inHg

2:00 PM

Mostly cloudy

99° 💧 None 💨 2 mph H 11%30.00 inHg

3:00 PM

Mostly cloudy

101° 💧 None 💨 3 mph H 11%29.97 inHg

4:00 PM

Overcast

101° 💧 None 💨 4 mph H 11%29.94 inHg

5:00 PM

Overcast

100° 💧 None 💨 5 mph H 12%29.91 inHg

6:00 PM

Overcast

99° 💧 None 💨 6 mph H 12%29.91 inHg

7:00 PM

Mostly cloudy

95° 💧 None 💨 5 mph H 15%29.91 inHg

8:00 PM

Partly cloudy night

89° 💧 None 💨 4 mph H 19%29.91 inHg

9:00 PM

Partly cloudy night

84° 💧 None 💨 3 mph H 24%29.94 inHg

10:00 PM

Mostly clear night

81° 💧 None 💨 3 mph H 28%29.94 inHg

11:00 PM

Clear night

80° 💧 None 💨 3 mph H 30%29.94 inHg

Tomorrow

12:00 AM

Mostly clear night

79° 💧 None 💨 3 mph H 30%29.94 inHg

1:00 AM

Mostly clear night

78° 💧 None 💨 4 mph H 30%29.94 inHg

2:00 AM

Partly cloudy night

77° 💧 None 💨 4 mph H 31%29.94 inHg

3:00 AM

Mostly clear night

76° 💧 None 💨 4 mph H 31%29.91 inHg

4:00 AM

Clear night

74° 💧 None 💨 4 mph H 32%29.91 inHg

5:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 34%29.91 inHg

6:00 AM

Mostly clear night

71° 💧 None 💨 3 mph H 37%29.94 inHg

7:00 AM

Mostly sunny

70° 💧 None 💨 3 mph H 39%29.94 inHg

8:00 AM

Mostly sunny

75° 💧 None 💨 4 mph H 34%29.94 inHg

9:00 AM

Sunny

82° 💧 None 💨 3 mph H 26%29.94 inHg

10:00 AM

Sunny

88° 💧 None 💨 3 mph H 22%29.94 inHg

11:00 AM

Sunny

93° 💧 None 💨 4 mph H 19%29.94 inHg

12:00 PM

Sunny

96° 💧 None 💨 5 mph H 18%29.91 inHg

1:00 PM

Sunny

98° 💧 None 💨 7 mph H 17%29.88 inHg

2:00 PM

Sunny

99° 💧 None 💨 9 mph H 16%29.88 inHg

3:00 PM

Partly cloudy

99° 💧 None 💨 11 mph H 16%29.85 inHg

4:00 PM

Partly cloudy

98° 💧 None 💨 12 mph H 15%29.83 inHg

5:00 PM

Mostly cloudy

95° 💧 None 💨 11 mph H 16%29.83 inHg

6:00 PM

Overcast

91° 💧 None 💨 11 mph H 20%29.83 inHg

7:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 27%29.83 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 7 mph H 31%29.83 inHg

9:00 PM

Clear night

76° 💧 None 💨 6 mph H 38%29.83 inHg

10:00 PM

Clear night

72° 💧 None 💨 6 mph H 48%29.85 inHg

11:00 PM

Clear night

69° 💧 None 💨 6 mph H 56%29.85 inHg

Friday

12:00 AM

Clear night

67° 💧 None 💨 7 mph H 62%29.85 inHg

1:00 AM

Clear night

65° 💧 None 💨 7 mph H 68%29.85 inHg

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 71%29.85 inHg

3:00 AM

Clear night

62° 💧 None 💨 6 mph H 74%29.85 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 76%29.85 inHg

5:00 AM

Clear night

60° 💧 None 💨 5 mph H 80%29.85 inHg

6:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 83%29.85 inHg

7:00 AM

Fog

59° 💧 None 💨 5 mph H 85%29.85 inHg

8:00 AM

Fog

61° 💧 None 💨 5 mph H 79%29.88 inHg

9:00 AM

Mostly sunny

65° 💧 None 💨 5 mph H 67%29.88 inHg

10:00 AM

Sunny

71° 💧 None 💨 6 mph H 52%29.88 inHg

11:00 AM

Sunny

77° 💧 None 💨 6 mph H 40%29.88 inHg

12:00 PM

Sunny

81° 💧 None 💨 6 mph H 35%29.88 inHg

1:00 PM

Sunny

84° 💧 None 💨 7 mph H 33%29.85 inHg

2:00 PM

Sunny

86° 💧 None 💨 9 mph H 33%29.83 inHg

3:00 PM

Sunny

86° 💧 None 💨 10 mph H 34%29.83 inHg

4:00 PM

Sunny

85° 💧 None 💨 10 mph H 35%29.80 inHg

5:00 PM

Sunny

83° 💧 None 💨 10 mph H 37%29.80 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 71%29.80 inHg

5:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 72%29.80 inHg

8:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 62%29.85 inHg

11:00 AM

Partly cloudy

77° 💧 None 💨 7 mph H 28%29.85 inHg

2:00 PM

Sunny

84° 💧 None 💨 11 mph H 25%29.85 inHg

5:00 PM

Sunny

80° 💧 None 💨 12 mph H 30%29.83 inHg

8:00 PM

Clear night

69° 💧 None 💨 10 mph H 42%29.85 inHg

11:00 PM

Clear night

62° 💧 None 💨 5 mph H 60%29.91 inHg

Sunday

2:00 AM

Clear night

62° 💧 None 💨 8 mph H 55%29.94 inHg

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 67%29.94 inHg

8:00 AM

Sunny

63° 💧 None 💨 8 mph H 47%29.97 inHg

11:00 AM

Sunny

74° 💧 None 💨 12 mph H 24%29.97 inHg

2:00 PM

Sunny

82° 💧 None 💨 8 mph H 14%29.91 inHg

5:00 PM

Sunny

85° 💧 None 💨 7 mph H 10%29.83 inHg

8:00 PM

Clear night

75° 💧 None 💨 0 mph H 13%29.83 inHg

11:00 PM

Clear night

66° 💧 None 💨 4 mph H 44%29.83 inHg

Monday

2:00 AM

Clear night

66° 💧 None 💨 5 mph H 47%29.83 inHg

5:00 AM

Clear night

64° 💧 None 💨 4 mph H 45%29.83 inHg

8:00 AM

Sunny

70° 💧 None 💨 8 mph H 30%29.85 inHg

11:00 AM

Sunny

80° 💧 None 💨 9 mph H 18%29.85 inHg

2:00 PM

Sunny

89° 💧 None 💨 5 mph H 11%29.80 inHg

5:00 PM

Sunny

88° 💧 None 💨 7 mph H 18%29.74 inHg

8:00 PM

Clear night

74° 💧 None 💨 4 mph H 35%29.77 inHg

11:00 PM

Mostly clear night

65° 💧 None 💨 4 mph H 59%29.80 inHg

Tuesday

5:00 AM

Clear night

65° 💧 None 💨 4 mph H 56%29.80 inHg

11:00 AM

Mostly sunny

57° 💧 None 💨 3 mph H 84%29.83 inHg

5:00 PM

Sunny

73° 💧 None 💨 3 mph H 41%29.91 inHg

11:00 PM

Mostly clear night

79° 💧 None 💨 10 mph H 34%29.85 inHg

Wednesday

5:00 AM

Clear night

60° 💧 None 💨 4 mph H 81%29.91 inHg

11:00 AM

Mostly sunny

55° 💧 None 💨 2 mph H 95%29.94 inHg

5:00 PM

Sunny

69° 💧 None 💨 2 mph H 52%30.00 inHg

11:00 PM

Clear night

78° 💧 None 💨 9 mph H 35%29.91 inHg

Thursday

5:00 AM

Clear night

59° 💧 None 💨 4 mph H 74%29.94 inHg

11:00 AM

Partly cloudy

53° 💧 None 💨 3 mph H 96%29.94 inHg

5:00 PM

Sunny

71° 💧 None 💨 3 mph H 42%30.00 inHg

11:00 PM

Clear night

79° 💧 None 💨 11 mph H 18%29.91 inHg

Friday

5:00 AM

Clear night

57° 💧 None 💨 3 mph H 65%29.97 inHg

11:00 AM

Sunny

50° 💧 None 💨 3 mph H 96%30.00 inHg

5:00 PM

Sunny

69° 💧 None 💨 3 mph H 43%30.06 inHg

11:00 PM

Clear night

82° 💧 None 💨 3 mph H 19%29.97 inHg

Saturday

5:00 AM

Clear night

63° 💧 None 💨 3 mph H 62%29.97 inHg

11:00 AM

Sunny

55° 💧 None 💨 2 mph H 90%29.94 inHg

5:00 PM

Sunny

77° 💧 None 💨 2 mph H 29%29.94 inHg

11:00 PM

Clear night

81° 💧 None 💨 9 mph H 31%29.83 inHg

Sunday

5:00 AM

Clear night

60° 💧 None 💨 3 mph H 75%29.85 inHg

11:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 91%29.85 inHg

5:00 PM

Sunny

69° 💧 None 💨 2 mph H 51%29.94 inHg

11:00 PM

Clear night

81° 💧 None 💨 7 mph H 32%29.85 inHg

Monday

5:00 AM

Clear night

62° 💧 None 💨 3 mph H 70%29.88 inHg

11:00 AM

Sunny

57° 💧 None 💨 2 mph H 90%29.94 inHg

5:00 PM

Sunny

76° 💧 None 💨 5 mph H 38%30.00 inHg

11:00 PM

Clear night

88° 💧 None 💨 4 mph H 16%29.91 inHg

Tuesday

5:00 AM

Clear night

78° 💧 None 💨 12 mph H 14%29.94 inHg

11:00 AM

Sunny

69° 💧 None 💨 18 mph H 22%29.97 inHg

5:00 PM

Sunny

80° 💧 None 💨 25 mph H 12%29.97 inHg

11:00 PM

Clear night

91° 💧 None 💨 18 mph H 8%29.85 inHg

Wednesday

5:00 AM

Clear night

77° 💧 None 💨 15 mph H 18%29.91 inHg

11:00 AM

Sunny

72° 💧 None 💨 13 mph H 20%29.88 inHg

5:00 PM

Sunny

85° 💧 None 💨 12 mph H 15%29.91 inHg

11:00 PM

Clear night

94° 💧 None 💨 3 mph H 10%29.80 inHg

In Hartley and, more broadly, across the state of California: This morning, the sky will feature a mix of sun and clouds, with temperatures climbing quickly into the upper 60s. Expect the heat to intensify as the day progresses, with afternoon highs reaching up to 102 degrees. Winds will be moderate from the northwest at around 10 mph, with gusts up to 17 mph, providing some relief from the heat. No precipitation is anticipated throughout the day, so dry conditions will persist. It will be a very hot day overall, so residents are advised to stay hydrated and take precautions against the heat, especially during peak afternoon hours.

15-Day Weather Outlook for Hartley

TomorrowTomorrow

Overcast 100°/70° 💧 None 💨 12 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 95°/59° 💧 None 💨 11 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 84°/60° 💧 0.002 in 💨 11 mph

Sunday, Sep 13Sun Sep 13

Sunny 82°/59° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Sunny 89°/64° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 88°/57° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 79°/55° 💧 None 💨 10 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 78°/53° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Sunny 79°/50° 💧 None 💨 11 mph

Saturday, Sep 19Sat Sep 19

Sunny 82°/55° 💧 None 💨 3 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 81°/54° 💧 None 💨 9 mph

Monday, Sep 21Mon Sep 21

Sunny 81°/57° 💧 None 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Sunny 88°/69° 💧 None 💨 18 mph

Wednesday, Sep 23Wed Sep 23

Sunny 91°/72° 💧 None 💨 25 mph

Thursday, Sep 24Thu Sep 24

Sunny 94°/85° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hartley

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Hartley

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 AM

PM2.5 Fine particles Fair 13,1µg/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 18,6µg/m³

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

O₃ Ozone Good 46,9µg/m³

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

NO₂ Nitrogen dioxide Good 14,3µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Hartley

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 8,0Very high 🙂Fair

Tomorrow UV 7,3High 🙂Fair

Friday UV 7,8High 😐Moderate

Saturday UV 7,7High 🙂Fair

Sunday UV 7,0High 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 7,0High —Unavailable

Hourly UV index today

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

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed. Dry air can increase hydration needs.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Hartley

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · HARTLEY, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

91/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:56 PM–5:14 AM

☁ Cloud cover 12% Real hourly forecast for the best viewing hour.

☾ Moonlight 2% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 78° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min78%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Hartley were last refreshed today at 6:43 AM. The current forecast period extends through 11/09/2026 at 4:00 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.