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Current weather in Penngrove is few clouds.

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

Is the weather forecast for Penngrove updated regularly?

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

Now · 3:51 AM

Penngrove Weather & Hourly Forecast

United States · California · 94951

68°F

Mostly clear night

Feels like: 67°F

💧 Humidity 53% 🌡 Pressure 29.97 inHg 💨 Wind 2 mph 👁 Visibility 21.5 mi ☁ Clouds 29% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Penngrove

Today

4:00 AM

Mostly clear night

68° 💧 None 💨 2 mph H 53%29.97 inHg

7:00 AM

Sunny

65° 💧 None 💨 5 mph H 64%29.97 inHg

10:00 AM

Sunny

77° 💧 None 💨 4 mph H 46%29.97 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 10 mph H 33%29.97 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 12 mph H 42%29.91 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 8 mph H 71%29.88 inHg

10:00 PM

Clear night

61° 💧 None 💨 7 mph H 83%29.91 inHg

Tomorrow

1:00 AM

Clear night

60° 💧 None 💨 6 mph H 85%29.91 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 5 mph H 95%29.91 inHg

7:00 AM

Partly cloudy

56° 💧 None 💨 4 mph H 98%29.91 inHg

10:00 AM

Sunny

68° 💧 None 💨 6 mph H 62%29.91 inHg

1:00 PM

Sunny

73° 💧 None 💨 10 mph H 54%29.91 inHg

4:00 PM

Sunny

70° 💧 None 💨 12 mph H 61%29.85 inHg

7:00 PM

Sunny

64° 💧 None 💨 8 mph H 74%29.83 inHg

10:00 PM

Clear night

60° 💧 None 💨 6 mph H 82%29.88 inHg

Saturday

1:00 AM

Clear night

57° 💧 None 💨 6 mph H 89%29.85 inHg

Today

4:00 AM

Mostly clear night

68° 💧 None 💨 2 mph H 53%29.97 inHg

5:00 AM

Mostly clear night

66° 💧 None 💨 3 mph H 57%29.97 inHg

6:00 AM

Mostly clear night

65° 💧 None 💨 1 mph H 62%29.97 inHg

7:00 AM

Sunny

65° 💧 None 💨 5 mph H 64%29.97 inHg

8:00 AM

Sunny

67° 💧 None 💨 4 mph H 62%29.97 inHg

9:00 AM

Sunny

72° 💧 None 💨 3 mph H 54%29.97 inHg

10:00 AM

Sunny

77° 💧 None 💨 4 mph H 46%29.97 inHg

11:00 AM

Sunny

82° 💧 None 💨 6 mph H 40%29.97 inHg

12:00 PM

Sunny

84° 💧 None 💨 8 mph H 36%29.97 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 10 mph H 33%29.97 inHg

2:00 PM

Overcast

83° 💧 None 💨 11 mph H 36%29.94 inHg

3:00 PM

Partly cloudy

81° 💧 None 💨 12 mph H 39%29.91 inHg

4:00 PM

Partly cloudy

80° 💧 None 💨 12 mph H 42%29.91 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 10 mph H 48%29.88 inHg

6:00 PM

Mostly cloudy

72° 💧 None 💨 9 mph H 59%29.88 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 8 mph H 71%29.88 inHg

8:00 PM

Partly cloudy night

64° 💧 None 💨 7 mph H 76%29.91 inHg

9:00 PM

Clear night

63° 💧 None 💨 7 mph H 75%29.91 inHg

10:00 PM

Clear night

61° 💧 None 💨 7 mph H 83%29.91 inHg

11:00 PM

Clear night

60° 💧 None 💨 6 mph H 86%29.91 inHg

Tomorrow

12:00 AM

Clear night

60° 💧 None 💨 6 mph H 85%29.91 inHg

1:00 AM

Clear night

60° 💧 None 💨 6 mph H 85%29.91 inHg

2:00 AM

Clear night

59° 💧 None 💨 7 mph H 87%29.91 inHg

3:00 AM

Clear night

58° 💧 None 💨 6 mph H 90%29.91 inHg

4:00 AM

Mostly clear night

57° 💧 None 💨 5 mph H 95%29.91 inHg

5:00 AM

Mostly clear night

56° 💧 None 💨 5 mph H 98%29.91 inHg

6:00 AM

Partly cloudy night

56° 💧 None 💨 5 mph H 98%29.91 inHg

7:00 AM

Partly cloudy

56° 💧 None 💨 4 mph H 98%29.91 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 4 mph H 88%29.91 inHg

9:00 AM

Sunny

63° 💧 None 💨 4 mph H 74%29.91 inHg

10:00 AM

Sunny

68° 💧 None 💨 6 mph H 62%29.91 inHg

11:00 AM

Sunny

72° 💧 None 💨 8 mph H 56%29.94 inHg

12:00 PM

Sunny

73° 💧 None 💨 9 mph H 55%29.91 inHg

1:00 PM

Sunny

73° 💧 None 💨 10 mph H 54%29.91 inHg

2:00 PM

Sunny

73° 💧 None 💨 11 mph H 55%29.88 inHg

3:00 PM

Sunny

72° 💧 None 💨 11 mph H 58%29.88 inHg

4:00 PM

Sunny

70° 💧 None 💨 12 mph H 61%29.85 inHg

5:00 PM

Sunny

68° 💧 None 💨 12 mph H 65%29.85 inHg

6:00 PM

Sunny

66° 💧 None 💨 9 mph H 68%29.85 inHg

7:00 PM

Sunny

64° 💧 None 💨 8 mph H 74%29.83 inHg

8:00 PM

Clear night

61° 💧 None 💨 6 mph H 80%29.85 inHg

9:00 PM

Clear night

61° 💧 None 💨 5 mph H 80%29.85 inHg

10:00 PM

Clear night

60° 💧 None 💨 6 mph H 82%29.88 inHg

11:00 PM

Clear night

59° 💧 None 💨 6 mph H 84%29.88 inHg

Saturday

12:00 AM

Clear night

58° 💧 None 💨 6 mph H 87%29.85 inHg

1:00 AM

Clear night

57° 💧 None 💨 6 mph H 89%29.85 inHg

2:00 AM

Clear night

56° 💧 None 💨 6 mph H 91%29.88 inHg

3:00 AM

Clear night

56° 💧 None 💨 7 mph H 92%29.88 inHg

4:00 AM

Clear night

55° 💧 None 💨 7 mph H 92%29.88 inHg

5:00 AM

Mostly cloudy night

55° 💧 None 💨 6 mph H 92%29.88 inHg

6:00 AM

Mostly cloudy night

55° 💧 None 💨 6 mph H 94%29.88 inHg

7:00 AM

Mostly cloudy

55° 💧 None 💨 6 mph H 93%29.91 inHg

8:00 AM

Overcast

58° 💧 None 💨 8 mph H 81%29.91 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 9 mph H 70%29.91 inHg

10:00 AM

Overcast

65° 💧 None 💨 10 mph H 60%29.91 inHg

11:00 AM

Overcast

68° 💧 None 💨 11 mph H 54%29.94 inHg

12:00 PM

Overcast

69° 💧 None 💨 14 mph H 52%29.94 inHg

1:00 PM

Overcast

70° 💧 None 💨 15 mph H 51%29.94 inHg

2:00 PM

Mostly cloudy

70° 💧 None 💨 17 mph H 50%29.94 inHg

3:00 PM

Mostly cloudy

69° 💧 None 💨 17 mph H 52%29.94 inHg

4:00 PM

Mostly cloudy

68° 💧 None 💨 18 mph H 53%29.91 inHg

5:00 PM

Sunny

67° 💧 None 💨 18 mph H 59%29.94 inHg

8:00 PM

Clear night

60° 💧 None 💨 15 mph H 80%29.97 inHg

11:00 PM

Clear night

58° 💧 None 💨 12 mph H 84%30.00 inHg

Sunday

2:00 AM

Clear night

56° 💧 None 💨 12 mph H 87%30.00 inHg

5:00 AM

Clear night

55° 💧 None 💨 9 mph H 87%30.03 inHg

8:00 AM

Sunny

58° 💧 None 💨 9 mph H 77%30.06 inHg

11:00 AM

Sunny

70° 💧 None 💨 9 mph H 47%30.06 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 16 mph H 48%30.00 inHg

5:00 PM

Mostly cloudy

69° 💧 None 💨 16 mph H 57%29.94 inHg

8:00 PM

Mostly cloudy night

63° 💧 None 💨 10 mph H 69%29.94 inHg

11:00 PM

Clear night

58° 💧 None 💨 7 mph H 76%29.97 inHg

Monday

2:00 AM

Clear night

56° 💧 None 💨 5 mph H 85%29.94 inHg

5:00 AM

Mostly clear night

52° 💧 None 💨 3 mph H 94%29.91 inHg

8:00 AM

Sunny

55° 💧 None 💨 2 mph H 89%29.94 inHg

11:00 AM

Sunny

71° 💧 None 💨 4 mph H 48%29.91 inHg

2:00 PM

Sunny

76° 💧 None 💨 11 mph H 42%29.85 inHg

5:00 PM

Sunny

70° 💧 None 💨 13 mph H 59%29.83 inHg

8:00 PM

Clear night

60° 💧 None 💨 10 mph H 82%29.83 inHg

11:00 PM

Clear night

57° 💧 None 💨 6 mph H 90%29.85 inHg

Tuesday

2:00 AM

Clear night

54° 💧 None 💨 3 mph H 97%29.85 inHg

5:00 AM

Partly cloudy night

52° 💧 None 💨 1 mph H 100%29.85 inHg

8:00 AM

Overcast

54° 💧 None 💨 3 mph H 98%29.91 inHg

11:00 AM

Mostly sunny

68° 💧 None 💨 3 mph H 59%29.94 inHg

2:00 PM

Partly cloudy

75° 💧 None 💨 8 mph H 47%29.88 inHg

5:00 PM

Sunny

65° 💧 None 💨 11 mph H 67%29.88 inHg

11:00 PM

Overcast night

56° 💧 None 💨 6 mph H 96%29.94 inHg

Wednesday

5:00 AM

Overcast night

56° 💧 None 💨 4 mph H 96%29.97 inHg

11:00 AM

Sunny

67° 💧 None 💨 5 mph H 63%30.03 inHg

5:00 PM

Mostly sunny

67° 💧 None 💨 9 mph H 66%30.00 inHg

11:00 PM

Partly cloudy night

57° 💧 None 💨 2 mph H 96%30.03 inHg

Thursday

5:00 AM

Partly cloudy night

56° 💧 None 💨 1 mph H 98%30.03 inHg

11:00 AM

Mostly sunny

68° 💧 None 💨 4 mph H 61%30.09 inHg

5:00 PM

Sunny

69° 💧 None 💨 9 mph H 61%30.06 inHg

11:00 PM

Partly cloudy night

57° 💧 None 💨 4 mph H 98%30.09 inHg

Friday

5:00 AM

Overcast night

57° 💧 None 💨 4 mph H 99%30.06 inHg

11:00 AM

Partly cloudy

66° 💧 None 💨 8 mph H 70%30.09 inHg

5:00 PM

Partly cloudy

67° 💧 None 💨 14 mph H 70%30.03 inHg

11:00 PM

Clear night

58° 💧 None 💨 9 mph H 94%30.03 inHg

Saturday

5:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 95%30.03 inHg

11:00 AM

Partly cloudy

69° 💧 None 💨 13 mph H 57%30.03 inHg

5:00 PM

Sunny

67° 💧 None 💨 17 mph H 64%29.94 inHg

11:00 PM

Clear night

58° 💧 None 💨 9 mph H 85%29.94 inHg

Sunday

5:00 AM

Clear night

54° 💧 None 💨 7 mph H 87%29.88 inHg

11:00 AM

Sunny

69° 💧 None 💨 8 mph H 49%29.88 inHg

5:00 PM

Sunny

67° 💧 None 💨 19 mph H 66%29.80 inHg

11:00 PM

Mostly clear night

57° 💧 None 💨 10 mph H 91%29.83 inHg

Monday

5:00 AM

Mostly clear night

54° 💧 None 💨 2 mph H 97%29.80 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 10 mph H 59%29.85 inHg

5:00 PM

Mostly sunny

66° 💧 None 💨 13 mph H 61%29.80 inHg

11:00 PM

Clear night

56° 💧 None 💨 3 mph H 96%29.83 inHg

Tuesday

5:00 AM

Overcast night

54° 💧 None 💨 0 mph H 99%29.83 inHg

11:00 AM

Mostly sunny

69° 💧 None 💨 6 mph H 55%29.91 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 11 mph H 58%29.91 inHg

11:00 PM

Partly cloudy night

59° 💧 None 💨 5 mph H 89%29.97 inHg

Wednesday

5:00 AM

Overcast night

60° 💧 None 💨 8 mph H 87%30.00 inHg

11:00 AM

Moderate rain

64° 💧 None 💨 11 mph H 76%30.09 inHg

5:00 PM

Mostly sunny

68° 💧 None 💨 10 mph H 66%30.06 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 2 mph H 98%30.12 inHg

Thursday

5:00 AM

Overcast night

58° 💧 None 💨 4 mph H 98%30.09 inHg

11:00 AM

Overcast

66° 💧 None 💨 6 mph H 67%30.09 inHg

5:00 PM

Overcast

66° 💧 None 💨 12 mph H 68%30.00 inHg

In Penngrove and, more broadly, across the state of California: This evening, the sky will be mostly sunny with just a few clouds passing through. Temperatures will remain quite hot, ranging from 88 to 97 degrees Fahrenheit. Light northwest winds will blow at up to 9 mph, with occasional gusts reaching 12 mph, providing only slight relief from the heat. No precipitation is expected during the next few hours, so outdoor activities can generally proceed without concern for rain. It will be a warm evening, and it’s advisable to stay hydrated if you plan to be outdoors. Temperatures will gradually stay in the high 80s to low 90s through the night, with the winds remaining gentle. Overall, it should be a warm, dry evening with clear skies.

15-Day Weather Outlook for Penngrove

TomorrowTomorrow

Mostly cloudy 76°/56° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 70°/55° 💧 None 💨 18 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 72°/55° 💧 0.001 in 💨 18 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 76°/52° 💧 None 💨 16 mph

Tuesday, Sep 15Tue Sep 15

Overcast 75°/52° 💧 None 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Overcast 67°/56° 💧 0.001 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 68°/56° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 69°/57° 💧 0.002 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 69°/58° 💧 0.001 in 💨 14 mph

Sunday, Sep 20Sun Sep 20

Sunny 69°/54° 💧 None 💨 17 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 67°/54° 💧 None 💨 19 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 69°/54° 💧 0.001 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Moderate rain 68°/59° 💧 0.047 in 💨 11 mph

Thursday, Sep 24Thu Sep 24

Overcast 68°/58° 💧 0.071 in 💨 10 mph

Friday, Sep 25Fri Sep 25

Overcast 66°/66° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Penngrove

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Penngrove

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 AM

PM2.5 Fine particles Fair 11,2µg/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 Fair 20,7µg/m³

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

O₃ Ozone Fair 70,0µg/m³

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

NO₂ Nitrogen dioxide Good 2,3µg/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 Penngrove

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 7,9High 🙂Fair

Tomorrow UV 7,7High 😐Moderate

Saturday UV 7,8High 🙂Fair

Sunday UV 7,0High 🙂Fair

Monday UV 7,0High 🙂Fair

Tuesday UV 6,0High —Unavailable

Wednesday UV 6,0High —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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.

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 Penngrove

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PENNGROVE, CALIFORNIA

Tonight's Stargazing & Shooting Stars

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

90/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:58 PM–5:18 AM

☁ Cloud cover 14% 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 88° 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.

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Forecast data for Penngrove were last refreshed today at 3:51 AM. The current forecast period extends through 12/09/2026 at 1:00 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.