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Current weather in East Porterville is clear sky.

Where can I find the hourly weather forecast for East Porterville?

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

Is the weather forecast for East Porterville updated regularly?

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

Now · 2:16 PM

East Porterville Weather & Hourly Forecast

United States · California · 93257

85°F

Sunny

Feels like: 81°F

💧 Humidity 21% 🌡 Pressure 29.88 inHg 💨 Wind 4 mph 👁 Visibility 22.7 mi ☁ Clouds 0% ☀️ UV index 4.7 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for East Porterville

Today

3:00 PM

Sunny

87° 💧 None 💨 5 mph H 19%29.85 inHg

6:00 PM

Sunny

86° 💧 None 💨 10 mph H 19%29.83 inHg

9:00 PM

Clear night

77° 💧 None 💨 8 mph H 23%29.85 inHg

Tomorrow

12:00 AM

Clear night

71° 💧 None 💨 4 mph H 27%29.88 inHg

3:00 AM

Clear night

66° 💧 None 💨 1 mph H 34%29.88 inHg

6:00 AM

Clear night

62° 💧 None 💨 0 mph H 46%29.91 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 1 mph H 33%29.94 inHg

12:00 PM

Sunny

81° 💧 None 💨 3 mph H 23%29.88 inHg

3:00 PM

Sunny

87° 💧 None 💨 5 mph H 18%29.80 inHg

6:00 PM

Sunny

86° 💧 None 💨 4 mph H 17%29.77 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 23%29.80 inHg

Tuesday

12:00 AM

Clear night

70° 💧 None 💨 3 mph H 32%29.83 inHg

3:00 AM

Clear night

66° 💧 None 💨 4 mph H 32%29.80 inHg

6:00 AM

Clear night

63° 💧 None 💨 3 mph H 30%29.85 inHg

9:00 AM

Sunny

79° 💧 None 💨 4 mph H 20%29.85 inHg

12:00 PM

Sunny

89° 💧 None 💨 5 mph H 14%29.85 inHg

Today

3:00 PM

Sunny

87° 💧 None 💨 5 mph H 19%29.85 inHg

4:00 PM

Sunny

88° 💧 None 💨 6 mph H 18%29.83 inHg

5:00 PM

Sunny

88° 💧 None 💨 9 mph H 18%29.83 inHg

6:00 PM

Sunny

86° 💧 None 💨 10 mph H 19%29.83 inHg

7:00 PM

Sunny

82° 💧 None 💨 8 mph H 21%29.83 inHg

8:00 PM

Clear night

79° 💧 None 💨 9 mph H 22%29.83 inHg

9:00 PM

Clear night

77° 💧 None 💨 8 mph H 23%29.85 inHg

10:00 PM

Clear night

75° 💧 None 💨 7 mph H 23%29.88 inHg

11:00 PM

Clear night

73° 💧 None 💨 6 mph H 25%29.88 inHg

Tomorrow

12:00 AM

Clear night

71° 💧 None 💨 4 mph H 27%29.88 inHg

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 29%29.88 inHg

2:00 AM

Clear night

68° 💧 None 💨 2 mph H 31%29.91 inHg

3:00 AM

Clear night

66° 💧 None 💨 1 mph H 34%29.88 inHg

4:00 AM

Clear night

65° 💧 None 💨 2 mph H 39%29.88 inHg

5:00 AM

Clear night

63° 💧 None 💨 1 mph H 43%29.91 inHg

6:00 AM

Clear night

62° 💧 None 💨 0 mph H 46%29.91 inHg

7:00 AM

Sunny

61° 💧 None 💨 1 mph H 47%29.91 inHg

8:00 AM

Sunny

66° 💧 None 💨 2 mph H 39%29.94 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 1 mph H 33%29.94 inHg

10:00 AM

Sunny

74° 💧 None 💨 1 mph H 29%29.94 inHg

11:00 AM

Sunny

78° 💧 None 💨 2 mph H 26%29.91 inHg

12:00 PM

Sunny

81° 💧 None 💨 3 mph H 23%29.88 inHg

1:00 PM

Sunny

84° 💧 None 💨 3 mph H 21%29.85 inHg

2:00 PM

Sunny

86° 💧 None 💨 3 mph H 19%29.83 inHg

3:00 PM

Sunny

87° 💧 None 💨 5 mph H 18%29.80 inHg

4:00 PM

Sunny

88° 💧 None 💨 5 mph H 17%29.80 inHg

5:00 PM

Sunny

87° 💧 None 💨 4 mph H 16%29.77 inHg

6:00 PM

Sunny

86° 💧 None 💨 4 mph H 17%29.77 inHg

7:00 PM

Sunny

82° 💧 None 💨 2 mph H 19%29.77 inHg

8:00 PM

Clear night

80° 💧 None 💨 1 mph H 21%29.80 inHg

9:00 PM

Mostly clear night

77° 💧 None 💨 2 mph H 23%29.80 inHg

10:00 PM

Mostly cloudy night

74° 💧 None 💨 3 mph H 27%29.80 inHg

11:00 PM

Clear night

72° 💧 None 💨 3 mph H 30%29.83 inHg

Tuesday

12:00 AM

Clear night

70° 💧 None 💨 3 mph H 32%29.83 inHg

1:00 AM

Clear night

68° 💧 None 💨 3 mph H 33%29.80 inHg

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 33%29.80 inHg

3:00 AM

Clear night

66° 💧 None 💨 4 mph H 32%29.80 inHg

4:00 AM

Clear night

64° 💧 None 💨 1 mph H 34%29.83 inHg

5:00 AM

Clear night

63° 💧 None 💨 1 mph H 32%29.83 inHg

6:00 AM

Clear night

63° 💧 None 💨 3 mph H 30%29.85 inHg

7:00 AM

Sunny

64° 💧 None 💨 4 mph H 27%29.85 inHg

8:00 AM

Sunny

70° 💧 None 💨 6 mph H 21%29.85 inHg

9:00 AM

Sunny

79° 💧 None 💨 4 mph H 20%29.85 inHg

10:00 AM

Sunny

83° 💧 None 💨 4 mph H 19%29.88 inHg

11:00 AM

Sunny

87° 💧 None 💨 4 mph H 16%29.88 inHg

12:00 PM

Sunny

89° 💧 None 💨 5 mph H 14%29.85 inHg

1:00 PM

Sunny

91° 💧 None 💨 5 mph H 13%29.85 inHg

2:00 PM

Sunny

93° 💧 None 💨 4 mph H 11%29.83 inHg

3:00 PM

Sunny

94° 💧 None 💨 4 mph H 11%29.80 inHg

4:00 PM

Sunny

94° 💧 None 💨 5 mph H 10%29.77 inHg

5:00 PM

Sunny

93° 💧 None 💨 4 mph H 10%29.77 inHg

6:00 PM

Sunny

91° 💧 None 💨 4 mph H 11%29.77 inHg

7:00 PM

Sunny

85° 💧 None 💨 3 mph H 13%29.77 inHg

8:00 PM

Clear night

83° 💧 None 💨 1 mph H 14%29.77 inHg

9:00 PM

Clear night

79° 💧 None 💨 2 mph H 21%29.80 inHg

10:00 PM

Clear night

75° 💧 None 💨 3 mph H 29%29.83 inHg

11:00 PM

Clear night

73° 💧 None 💨 5 mph H 35%29.83 inHg

Wednesday

12:00 AM

Clear night

71° 💧 None 💨 4 mph H 37%29.83 inHg

1:00 AM

Clear night

70° 💧 None 💨 4 mph H 38%29.85 inHg

2:00 AM

Clear night

68° 💧 None 💨 3 mph H 38%29.85 inHg

3:00 AM

Clear night

66° 💧 None 💨 3 mph H 40%29.85 inHg

4:00 AM

Clear night

65° 💧 None 💨 3 mph H 41%29.85 inHg

5:00 AM

Clear night

64° 💧 None 💨 3 mph H 42%29.88 inHg

8:00 AM

Sunny

67° 💧 None 💨 4 mph H 43%29.94 inHg

11:00 AM

Sunny

79° 💧 None 💨 5 mph H 32%29.94 inHg

2:00 PM

Sunny

87° 💧 None 💨 5 mph H 24%29.88 inHg

5:00 PM

Mostly sunny

88° 💧 None 💨 4 mph H 21%29.83 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 10 mph H 37%29.88 inHg

11:00 PM

Clear night

70° 💧 None 💨 4 mph H 52%29.94 inHg

Thursday

2:00 AM

Clear night

66° 💧 None 💨 4 mph H 59%29.94 inHg

5:00 AM

Clear night

62° 💧 None 💨 2 mph H 66%30.00 inHg

8:00 AM

Sunny

64° 💧 None 💨 3 mph H 62%30.06 inHg

11:00 AM

Sunny

74° 💧 None 💨 3 mph H 41%30.06 inHg

2:00 PM

Sunny

83° 💧 None 💨 3 mph H 25%30.00 inHg

5:00 PM

Sunny

85° 💧 None 💨 5 mph H 20%29.94 inHg

8:00 PM

Clear night

77° 💧 None 💨 7 mph H 28%29.97 inHg

11:00 PM

Clear night

71° 💧 None 💨 3 mph H 35%30.00 inHg

Friday

2:00 AM

Clear night

66° 💧 None 💨 3 mph H 42%30.03 inHg

5:00 AM

Clear night

62° 💧 None 💨 1 mph H 51%30.03 inHg

8:00 AM

Sunny

64° 💧 None 💨 2 mph H 52%30.06 inHg

11:00 AM

Sunny

76° 💧 None 💨 4 mph H 33%30.06 inHg

2:00 PM

Sunny

84° 💧 None 💨 5 mph H 21%29.97 inHg

5:00 PM

Sunny

86° 💧 None 💨 5 mph H 16%29.91 inHg

8:00 PM

Clear night

78° 💧 None 💨 1 mph H 23%29.91 inHg

11:00 PM

Clear night

69° 💧 None 💨 3 mph H 31%29.91 inHg

Saturday

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 39%29.91 inHg

5:00 AM

Clear night

62° 💧 None 💨 4 mph H 40%29.91 inHg

11:00 AM

Sunny

82° 💧 None 💨 5 mph H 21%29.91 inHg

5:00 PM

Sunny

90° 💧 None 💨 5 mph H 18%29.80 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 30%29.83 inHg

Sunday

5:00 AM

Clear night

65° 💧 None 💨 3 mph H 33%29.83 inHg

11:00 AM

Sunny

85° 💧 None 💨 4 mph H 23%29.85 inHg

5:00 PM

Sunny

94° 💧 None 💨 4 mph H 14%29.74 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 28%29.80 inHg

Monday

5:00 AM

Clear night

66° 💧 None 💨 4 mph H 33%29.83 inHg

11:00 AM

Mostly sunny

85° 💧 None 💨 4 mph H 21%29.85 inHg

5:00 PM

Partly cloudy

92° 💧 None 💨 6 mph H 16%29.77 inHg

11:00 PM

Mostly clear night

77° 💧 None 💨 4 mph H 36%29.83 inHg

Tuesday

5:00 AM

Clear night

65° 💧 None 💨 2 mph H 55%29.88 inHg

11:00 AM

Sunny

79° 💧 None 💨 3 mph H 36%29.91 inHg

5:00 PM

Partly cloudy

88° 💧 None 💨 4 mph H 18%29.77 inHg

11:00 PM

Clear night

71° 💧 None 💨 3 mph H 33%29.80 inHg

Wednesday

5:00 AM

Clear night

63° 💧 None 💨 2 mph H 54%29.83 inHg

11:00 AM

Sunny

76° 💧 None 💨 4 mph H 32%29.85 inHg

5:00 PM

Sunny

86° 💧 None 💨 5 mph H 17%29.74 inHg

11:00 PM

Clear night

71° 💧 None 💨 2 mph H 31%29.80 inHg

Thursday

5:00 AM

Clear night

62° 💧 None 💨 2 mph H 47%29.85 inHg

11:00 AM

Sunny

77° 💧 None 💨 6 mph H 28%29.94 inHg

5:00 PM

Sunny

85° 💧 None 💨 4 mph H 16%29.85 inHg

11:00 PM

Clear night

67° 💧 None 💨 3 mph H 31%29.91 inHg

Friday

5:00 AM

Clear night

60° 💧 None 💨 3 mph H 33%29.94 inHg

11:00 AM

Sunny

80° 💧 None 💨 3 mph H 20%29.97 inHg

5:00 PM

Sunny

90° 💧 None 💨 5 mph H 12%29.85 inHg

11:00 PM

Clear night

71° 💧 None 💨 3 mph H 23%29.91 inHg

Saturday

5:00 AM

Clear night

63° 💧 None 💨 2 mph H 26%29.91 inHg

11:00 AM

Mostly sunny

81° 💧 None 💨 2 mph H 17%29.94 inHg

5:00 PM

Sunny

95° 💧 None 💨 6 mph H 9%29.83 inHg

11:00 PM

Clear night

77° 💧 None 💨 3 mph H 16%29.88 inHg

Sunday

5:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 21%29.91 inHg

11:00 AM

Sunny

85° 💧 None 💨 2 mph H 14%29.97 inHg

5:00 PM

Sunny

99° 💧 None 💨 5 mph H 9%29.85 inHg

11:00 PM

Clear night

84° 💧 None 💨 1 mph H 17%29.91 inHg

Monday

5:00 AM

Clear night

74° 💧 None 💨 0 mph H 25%29.88 inHg

In East Porterville and, more broadly, across the state of California: As the afternoon winds down, skies remain clear, providing a peaceful evening setting. Temperatures will stay mild to warm, ranging from the low 66s to the upper 70s. Winds will shift to a northwest direction, reaching up to 15 mph with gusts potentially hitting 28 mph. The calm and dry conditions are expected to continue into the night, making for a comfortable evening. No rain is anticipated, so outdoor plans should proceed without concern for precipitation. It's a good evening to enjoy the clear skies and gentle breezes.

15-Day Weather Outlook for East Porterville

TomorrowTomorrow

Mostly sunny 88°/61° 💧 None 💨 5 mph

Tuesday, Sep 15Tue Sep 15

Sunny 94°/63° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 88°/64° 💧 None 💨 10 mph

Thursday, Sep 17Thu Sep 17

Sunny 85°/62° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Sunny 86°/62° 💧 None 💨 5 mph

Saturday, Sep 19Sat Sep 19

Sunny 90°/62° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Sunny 94°/65° 💧 None 💨 4 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 92°/66° 💧 None 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 88°/65° 💧 None 💨 4 mph

Wednesday, Sep 23Wed Sep 23

Sunny 86°/63° 💧 None 💨 5 mph

Thursday, Sep 24Thu Sep 24

Sunny 85°/62° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Sunny 90°/60° 💧 None 💨 5 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 95°/63° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Partly cloudy 99°/67° 💧 None 💨 5 mph

Monday, Sep 28Mon Sep 28

Sunny 74°/74° 💧 None 💨 0 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in East Porterville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for East Porterville

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 3,6µg/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 7,2µg/m³

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

O₃ Ozone Moderate 105,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in East Porterville

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 4,8Moderate 😐Moderate

Tomorrow UV 4,7Moderate 😐Moderate

Wednesday UV 0,0Low 😐Moderate

Hourly UV index today

3:00 PMUV 4,3 4:00 PMUV 3,5 5:00 PMUV 2,4 6:00 PMUV 1,3 7:00 PMUV 0,4

Hourly UV index tomorrow

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. Dry air can increase hydration needs.

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 East Porterville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · EAST PORTERVILLE, CALIFORNIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:33 PM–5:11 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 8% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 84° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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.

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The technical data used to calculate this forecast for East Porterville were updated today at 2:16 PM. The displayed forecasts cover the period through 15/09/2026 at 12:00 PM. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team. For informational purposes only.