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Current weather in Graton is clear sky.

Where can I find the hourly weather forecast for Graton?

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

Is the weather forecast for Graton updated regularly?

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

Now · 10:56 AM

Graton Weather & Hourly Forecast

United States · California · 95472

78°F

Sunny

Feels like: 78°F

💧 Humidity 54% 🌡 Pressure 29.97 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi ☁ Clouds 3% ☀️ UV index 3.3 · Moderate 🌅 Sunrise 6:38 AM 🌇 Sunset 7:46 PM

Hourly Forecast for Graton

Today

11:00 AM

Sunny

78° 💧 None 💨 4 mph H 54%29.97 inHg

2:00 PM

Sunny

77° 💧 None 💨 10 mph H 42%29.94 inHg

5:00 PM

Sunny

71° 💧 None 💨 9 mph H 23%29.83 inHg

8:00 PM

Clear night

65° 💧 None 💨 4 mph H 52%29.85 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 79%29.88 inHg

Tomorrow

2:00 AM

Clear night

48° 💧 None 💨 1 mph H 89%29.88 inHg

5:00 AM

Clear night

45° 💧 None 💨 1 mph H 89%29.88 inHg

8:00 AM

Sunny

51° 💧 None 💨 1 mph H 71%29.91 inHg

11:00 AM

Sunny

74° 💧 None 💨 3 mph H 34%29.91 inHg

2:00 PM

Sunny

78° 💧 None 💨 8 mph H 27%29.85 inHg

5:00 PM

Sunny

64° 💧 None 💨 8 mph H 38%29.83 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 69%29.83 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 86%29.85 inHg

Monday

2:00 AM

Clear night

53° 💧 None 💨 2 mph H 89%29.85 inHg

5:00 AM

Clear night

52° 💧 None 💨 1 mph H 91%29.85 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 2 mph H 84%29.88 inHg

Today

11:00 AM

Sunny

78° 💧 None 💨 4 mph H 54%29.97 inHg

12:00 PM

Sunny

77° 💧 None 💨 6 mph H 51%29.97 inHg

1:00 PM

Sunny

77° 💧 None 💨 8 mph H 46%29.94 inHg

2:00 PM

Sunny

77° 💧 None 💨 10 mph H 42%29.94 inHg

3:00 PM

Sunny

77° 💧 None 💨 9 mph H 36%29.91 inHg

4:00 PM

Sunny

73° 💧 None 💨 9 mph H 23%29.85 inHg

5:00 PM

Sunny

71° 💧 None 💨 9 mph H 23%29.83 inHg

6:00 PM

Sunny

73° 💧 None 💨 7 mph H 27%29.83 inHg

7:00 PM

Sunny

71° 💧 None 💨 5 mph H 35%29.85 inHg

8:00 PM

Clear night

65° 💧 None 💨 4 mph H 52%29.85 inHg

9:00 PM

Clear night

60° 💧 None 💨 3 mph H 65%29.88 inHg

10:00 PM

Clear night

56° 💧 None 💨 2 mph H 72%29.88 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 79%29.88 inHg

Tomorrow

12:00 AM

Clear night

51° 💧 None 💨 2 mph H 85%29.88 inHg

1:00 AM

Clear night

49° 💧 None 💨 1 mph H 88%29.88 inHg

2:00 AM

Clear night

48° 💧 None 💨 1 mph H 89%29.88 inHg

3:00 AM

Clear night

47° 💧 None 💨 1 mph H 89%29.88 inHg

4:00 AM

Clear night

46° 💧 None 💨 1 mph H 89%29.88 inHg

5:00 AM

Clear night

45° 💧 None 💨 1 mph H 89%29.88 inHg

6:00 AM

Clear night

45° 💧 None 💨 1 mph H 89%29.88 inHg

7:00 AM

Sunny

46° 💧 None 💨 1 mph H 88%29.91 inHg

8:00 AM

Sunny

51° 💧 None 💨 1 mph H 71%29.91 inHg

9:00 AM

Sunny

60° 💧 None 💨 2 mph H 56%29.91 inHg

10:00 AM

Sunny

68° 💧 None 💨 2 mph H 43%29.91 inHg

11:00 AM

Sunny

74° 💧 None 💨 3 mph H 34%29.91 inHg

12:00 PM

Sunny

77° 💧 None 💨 4 mph H 29%29.88 inHg

1:00 PM

Sunny

76° 💧 None 💨 5 mph H 27%29.85 inHg

2:00 PM

Sunny

78° 💧 None 💨 8 mph H 27%29.85 inHg

3:00 PM

Sunny

77° 💧 None 💨 11 mph H 31%29.85 inHg

4:00 PM

Sunny

68° 💧 None 💨 11 mph H 37%29.83 inHg

5:00 PM

Sunny

64° 💧 None 💨 8 mph H 38%29.83 inHg

6:00 PM

Sunny

67° 💧 None 💨 7 mph H 41%29.83 inHg

7:00 PM

Sunny

66° 💧 None 💨 6 mph H 50%29.83 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 69%29.83 inHg

9:00 PM

Clear night

57° 💧 None 💨 3 mph H 78%29.85 inHg

10:00 PM

Clear night

55° 💧 None 💨 3 mph H 84%29.85 inHg

11:00 PM

Clear night

52° 💧 None 💨 2 mph H 86%29.85 inHg

Monday

12:00 AM

Clear night

54° 💧 None 💨 2 mph H 87%29.85 inHg

1:00 AM

Clear night

54° 💧 None 💨 2 mph H 88%29.85 inHg

2:00 AM

Clear night

53° 💧 None 💨 2 mph H 89%29.85 inHg

3:00 AM

Clear night

53° 💧 None 💨 2 mph H 90%29.83 inHg

4:00 AM

Clear night

52° 💧 None 💨 2 mph H 90%29.85 inHg

5:00 AM

Clear night

52° 💧 None 💨 1 mph H 91%29.85 inHg

6:00 AM

Clear night

52° 💧 None 💨 1 mph H 92%29.85 inHg

7:00 AM

Sunny

52° 💧 None 💨 1 mph H 92%29.88 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 2 mph H 84%29.88 inHg

9:00 AM

Mostly sunny

60° 💧 None 💨 2 mph H 75%29.88 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 4 mph H 65%29.88 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 5 mph H 52%29.88 inHg

12:00 PM

Sunny

73° 💧 None 💨 8 mph H 45%29.88 inHg

1:00 PM

Sunny

74° 💧 None 💨 10 mph H 44%29.88 inHg

2:00 PM

Sunny

73° 💧 None 💨 11 mph H 46%29.88 inHg

3:00 PM

Sunny

72° 💧 None 💨 11 mph H 50%29.88 inHg

4:00 PM

Mostly sunny

71° 💧 None 💨 11 mph H 53%29.85 inHg

5:00 PM

Partly cloudy

69° 💧 None 💨 11 mph H 58%29.85 inHg

6:00 PM

Overcast

67° 💧 None 💨 10 mph H 64%29.85 inHg

7:00 PM

Mostly cloudy

64° 💧 None 💨 8 mph H 73%29.88 inHg

8:00 PM

Partly cloudy night

59° 💧 None 💨 5 mph H 90%29.88 inHg

9:00 PM

Partly cloudy night

57° 💧 None 💨 4 mph H 94%29.91 inHg

10:00 PM

Mostly cloudy night

56° 💧 None 💨 3 mph H 94%29.91 inHg

11:00 PM

Mostly cloudy night

55° 💧 None 💨 3 mph H 94%29.91 inHg

Tuesday

12:00 AM

Mostly cloudy night

55° 💧 None 💨 2 mph H 94%29.91 inHg

1:00 AM

Mostly cloudy night

54° 💧 None 💨 2 mph H 95%29.91 inHg

2:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 95%29.91 inHg

3:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 95%29.91 inHg

4:00 AM

Partly cloudy night

53° 💧 None 💨 1 mph H 95%29.94 inHg

5:00 AM

Partly cloudy night

52° 💧 None 💨 1 mph H 95%29.94 inHg

6:00 AM

Partly cloudy night

52° 💧 None 💨 1 mph H 95%29.97 inHg

7:00 AM

Partly cloudy

53° 💧 None 💨 1 mph H 93%29.97 inHg

8:00 AM

Mostly cloudy

57° 💧 None 💨 1 mph H 84%29.97 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 1 mph H 74%30.00 inHg

10:00 AM

Mostly cloudy

67° 💧 None 💨 2 mph H 62%30.00 inHg

11:00 AM

Mostly cloudy

69° 💧 None 💨 4 mph H 55%30.00 inHg

12:00 PM

Overcast

71° 💧 None 💨 5 mph H 52%29.97 inHg

1:00 PM

Overcast

72° 💧 None 💨 8 mph H 49%29.97 inHg

2:00 PM

Overcast

73° 💧 None 💨 9 mph H 49%29.97 inHg

3:00 PM

Mostly cloudy

74° 💧 None 💨 10 mph H 47%29.94 inHg

4:00 PM

Mostly cloudy

74° 💧 None 💨 10 mph H 47%29.94 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 12 mph H 50%29.94 inHg

6:00 PM

Sunny

69° 💧 None 💨 12 mph H 57%29.94 inHg

7:00 PM

Mostly sunny

66° 💧 None 💨 7 mph H 62%29.94 inHg

8:00 PM

Partly cloudy night

60° 💧 None 💨 5 mph H 79%29.94 inHg

9:00 PM

Partly cloudy night

57° 💧 None 💨 4 mph H 87%29.97 inHg

10:00 PM

Partly cloudy night

56° 💧 None 💨 4 mph H 90%30.00 inHg

11:00 PM

Mostly clear night

55° 💧 None 💨 3 mph H 90%30.00 inHg

Wednesday

12:00 AM

Clear night

55° 💧 None 💨 3 mph H 90%30.00 inHg

1:00 AM

Clear night

54° 💧 None 💨 2 mph H 91%30.00 inHg

2:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 91%30.00 inHg

3:00 AM

Partly cloudy night

53° 💧 None 💨 1 mph H 91%30.03 inHg

4:00 AM

Mostly cloudy night

54° 💧 None 💨 1 mph H 92%30.00 inHg

5:00 AM

Mostly cloudy night

53° 💧 None 💨 1 mph H 92%30.03 inHg

6:00 AM

Mostly cloudy night

52° 💧 None 💨 1 mph H 92%30.03 inHg

7:00 AM

Partly cloudy

52° 💧 None 💨 1 mph H 93%30.03 inHg

8:00 AM

Partly cloudy

57° 💧 None 💨 0 mph H 83%30.06 inHg

9:00 AM

Partly cloudy

63° 💧 None 💨 2 mph H 68%30.06 inHg

10:00 AM

Partly cloudy

69° 💧 None 💨 3 mph H 55%30.06 inHg

In Graton and, more broadly, across the state of California: Skies will remain clear for the rest of the day, with temperatures climbing into the high 80s. Expect a hot afternoon with highs around 87 degrees. Winds will be moderate from the northwest, reaching up to 18 mph, with gusts possibly hitting 32 mph. No precipitation is anticipated, so outdoor plans should be straightforward. The combination of mostly sunny skies and breezy conditions will make for a warm but pleasant afternoon. Temperatures will gradually cool toward evening, but it will still remain warm after sunset.

15-Day Weather Outlook for Graton

TomorrowTomorrow

Sunny 78°/45° 💧 None 💨 11 mph

Monday, Aug 31Mon Aug 31

Sunny 74°/52° 💧 None 💨 11 mph

Tuesday, Sep 1Tue Sep 1

Overcast 73°/52° 💧 None 💨 12 mph

Wednesday, Sep 2Wed Sep 2

Partly cloudy 75°/53° 💧 None 💨 12 mph

Thursday, Sep 3Thu Sep 3

Sunny 78°/53° 💧 None 💨 14 mph

Friday, Sep 4Fri Sep 4

Sunny 78°/51° 💧 None 💨 11 mph

Saturday, Sep 5Sat Sep 5

Sunny 78°/49° 💧 None 💨 9 mph

Sunday, Sep 6Sun Sep 6

Mostly cloudy 81°/52° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Partly cloudy 84°/55° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Sunny 90°/58° 💧 None 💨 10 mph

Wednesday, Sep 9Wed Sep 9

Sunny 92°/57° 💧 None 💨 10 mph

Thursday, Sep 10Thu Sep 10

Overcast 96°/62° 💧 None 💨 8 mph

Friday, Sep 11Fri Sep 11

Sunny 102°/67° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Sunny 86°/60° 💧 None 💨 10 mph

Sunday, Sep 13Sun Sep 13

Light rain 78°/61° 💧 0.01 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Graton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Graton

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 2,9µg/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 11,4µg/m³

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

O₃ Ozone Fair 75,0µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/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 Graton

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 7,7High 🙂Fair

Tomorrow UV 7,5High 🙂Fair

Monday UV 7,5High 🙂Fair

Tuesday UV 6,7High 🙂Fair

Wednesday UV 7,0High 🙂Fair

Thursday UV 6,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

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

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 Graton

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.72 Population: 1,806

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Forecast data for Graton were last refreshed today at 10:56 AM. The current forecast period extends through 31/08/2026 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.