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Current weather in Walnut Creek is clear sky.

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Is the weather forecast for Walnut Creek updated regularly?

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

Now · 1:21 AM

Walnut Creek Weather & Hourly Forecast

United States · Ohio · 44654

62°F

Clear night

Feels like: 59°F

💧 Humidity 85% 🌡 Pressure 29.97 inHg 💨 Wind 8 mph 👁 Visibility 16.4 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Walnut Creek

Today

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 86%29.97 inHg

5:00 AM

Clear night

58° 💧 None 💨 9 mph H 90%29.97 inHg

8:00 AM

Sunny

59° 💧 None 💨 9 mph H 91%30.00 inHg

11:00 AM

Sunny

69° 💧 0.000 in 💨 10 mph H 73%30.03 inHg

2:00 PM

Mostly cloudy

73° 💧 0.001 in 💨 11 mph H 61%30.00 inHg

5:00 PM

Partly cloudy

74° 💧 0.000 in 💨 10 mph H 63%30.00 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 7 mph H 79%30.03 inHg

11:00 PM

Clear night

63° 💧 None 💨 10 mph H 89%30.09 inHg

Tomorrow

2:00 AM

Mostly clear night

61° 💧 None 💨 9 mph H 94%30.09 inHg

5:00 AM

Overcast night

59° 💧 None 💨 8 mph H 93%30.09 inHg

8:00 AM

Sunny

60° 💧 None 💨 9 mph H 91%30.18 inHg

11:00 AM

Sunny

70° 💧 None 💨 6 mph H 75%30.18 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 58%30.15 inHg

5:00 PM

Sunny

77° 💧 None 💨 4 mph H 51%30.15 inHg

8:00 PM

Clear night

69° 💧 None 💨 6 mph H 72%30.15 inHg

11:00 PM

Clear night

64° 💧 None 💨 7 mph H 82%30.21 inHg

Today

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 86%29.97 inHg

3:00 AM

Clear night

60° 💧 None 💨 7 mph H 86%29.97 inHg

4:00 AM

Clear night

59° 💧 None 💨 8 mph H 87%29.97 inHg

5:00 AM

Clear night

58° 💧 None 💨 9 mph H 90%29.97 inHg

6:00 AM

Clear night

58° 💧 None 💨 9 mph H 92%29.97 inHg

7:00 AM

Sunny

58° 💧 None 💨 9 mph H 93%30.00 inHg

8:00 AM

Sunny

59° 💧 None 💨 9 mph H 91%30.00 inHg

9:00 AM

Sunny

63° 💧 None 💨 8 mph H 87%30.03 inHg

10:00 AM

Sunny

66° 💧 None 💨 9 mph H 81%30.03 inHg

11:00 AM

Sunny

69° 💧 None 💨 10 mph H 73%30.03 inHg

12:00 PM

Sunny

71° 💧 None 💨 11 mph H 68%30.03 inHg

1:00 PM

Mostly cloudy

73° 💧 0.000 in 💨 12 mph H 62%30.03 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 11 mph H 61%30.00 inHg

3:00 PM

Mostly cloudy

74° 💧 None 💨 10 mph H 59%30.00 inHg

4:00 PM

Partly cloudy

74° 💧 0.001 in 💨 10 mph H 60%30.00 inHg

5:00 PM

Partly cloudy

74° 💧 0.000 in 💨 10 mph H 63%30.00 inHg

6:00 PM

Partly cloudy

73° 💧 None 💨 8 mph H 66%30.00 inHg

7:00 PM

Mostly sunny

71° 💧 None 💨 8 mph H 72%30.00 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 7 mph H 79%30.03 inHg

9:00 PM

Clear night

66° 💧 None 💨 8 mph H 82%30.03 inHg

10:00 PM

Clear night

65° 💧 None 💨 10 mph H 84%30.06 inHg

11:00 PM

Clear night

63° 💧 None 💨 10 mph H 89%30.09 inHg

Tomorrow

12:00 AM

Clear night

62° 💧 None 💨 9 mph H 93%30.09 inHg

1:00 AM

Clear night

61° 💧 None 💨 9 mph H 94%30.09 inHg

2:00 AM

Mostly clear night

61° 💧 None 💨 9 mph H 94%30.09 inHg

3:00 AM

Partly cloudy night

60° 💧 None 💨 8 mph H 94%30.09 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 8 mph H 93%30.09 inHg

5:00 AM

Overcast night

59° 💧 None 💨 8 mph H 93%30.09 inHg

6:00 AM

Clear night

59° 💧 None 💨 9 mph H 93%30.12 inHg

7:00 AM

Sunny

58° 💧 None 💨 9 mph H 93%30.15 inHg

8:00 AM

Sunny

60° 💧 None 💨 9 mph H 91%30.18 inHg

9:00 AM

Sunny

63° 💧 None 💨 8 mph H 86%30.18 inHg

10:00 AM

Sunny

66° 💧 None 💨 7 mph H 81%30.18 inHg

11:00 AM

Sunny

70° 💧 None 💨 6 mph H 75%30.18 inHg

12:00 PM

Sunny

73° 💧 None 💨 6 mph H 70%30.18 inHg

1:00 PM

Sunny

75° 💧 None 💨 6 mph H 64%30.18 inHg

2:00 PM

Sunny

77° 💧 None 💨 5 mph H 58%30.15 inHg

3:00 PM

Partly cloudy

77° 💧 None 💨 4 mph H 54%30.15 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 4 mph H 53%30.15 inHg

5:00 PM

Sunny

77° 💧 None 💨 4 mph H 51%30.15 inHg

6:00 PM

Sunny

76° 💧 None 💨 4 mph H 54%30.12 inHg

7:00 PM

Sunny

74° 💧 None 💨 4 mph H 67%30.12 inHg

8:00 PM

Clear night

69° 💧 None 💨 6 mph H 72%30.15 inHg

9:00 PM

Clear night

67° 💧 None 💨 6 mph H 71%30.15 inHg

10:00 PM

Clear night

65° 💧 None 💨 5 mph H 76%30.18 inHg

11:00 PM

Clear night

64° 💧 None 💨 7 mph H 82%30.21 inHg

Tuesday

12:00 AM

Clear night

63° 💧 None 💨 7 mph H 83%30.21 inHg

1:00 AM

Clear night

62° 💧 None 💨 8 mph H 84%30.21 inHg

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 86%30.21 inHg

3:00 AM

Clear night

60° 💧 None 💨 6 mph H 88%30.18 inHg

4:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 88%30.21 inHg

5:00 AM

Clear night

59° 💧 None 💨 5 mph H 89%30.21 inHg

6:00 AM

Mostly clear night

58° 💧 None 💨 5 mph H 89%30.21 inHg

7:00 AM

Mostly cloudy

58° 💧 None 💨 4 mph H 90%30.21 inHg

8:00 AM

Mostly cloudy

60° 💧 None 💨 6 mph H 86%30.24 inHg

5:00 PM

Mostly cloudy

80° 💧 None 💨 7 mph H 55%30.15 inHg

8:00 PM

Overcast night

72° 💧 None 💨 6 mph H 71%30.15 inHg

11:00 PM

Overcast night

70° 💧 None 💨 7 mph H 72%30.15 inHg

Wednesday

2:00 AM

Mostly clear night

69° 💧 None 💨 8 mph H 75%30.12 inHg

5:00 AM

Partly cloudy night

67° 💧 None 💨 8 mph H 80%30.12 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 9 mph H 84%30.15 inHg

11:00 AM

Mostly sunny

78° 💧 None 💨 12 mph H 74%30.12 inHg

2:00 PM

Partly cloudy

85° 💧 None 💨 15 mph H 60%30.06 inHg

5:00 PM

Sunny

85° 💧 None 💨 13 mph H 57%29.97 inHg

8:00 PM

Clear night

79° 💧 None 💨 10 mph H 68%29.94 inHg

11:00 PM

Overcast night

76° 💧 None 💨 9 mph H 73%29.94 inHg

Thursday

2:00 AM

Overcast night

74° 💧 None 💨 9 mph H 78%29.94 inHg

5:00 AM

Moderate rain

70° 💧 None 💨 10 mph H 96%29.91 inHg

8:00 AM

Moderate rain

69° 💧 None 💨 11 mph H 98%29.94 inHg

11:00 AM

Moderate rain

70° 💧 None 💨 9 mph H 98%29.91 inHg

2:00 PM

Light rain

71° 💧 None 💨 11 mph H 96%29.85 inHg

5:00 PM

Mostly cloudy

76° 💧 None 💨 10 mph H 78%29.80 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 8 mph H 86%29.85 inHg

11:00 PM

Clear night

63° 💧 None 💨 5 mph H 86%29.91 inHg

Friday

2:00 AM

Mostly clear night

60° 💧 None 💨 4 mph H 89%29.91 inHg

5:00 AM

Clear night

60° 💧 None 💨 7 mph H 88%29.91 inHg

8:00 AM

Sunny

59° 💧 None 💨 7 mph H 86%29.97 inHg

11:00 AM

Sunny

68° 💧 None 💨 6 mph H 67%29.97 inHg

2:00 PM

Sunny

71° 💧 None 💨 4 mph H 56%29.94 inHg

8:00 PM

Clear night

75° 💧 None 💨 6 mph H 54%29.97 inHg

Saturday

2:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 73%29.94 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 4 mph H 90%29.94 inHg

2:00 PM

Mostly sunny

60° 💧 None 💨 6 mph H 89%30.00 inHg

8:00 PM

Clear night

77° 💧 None 💨 5 mph H 52%29.97 inHg

Sunday

2:00 AM

Clear night

70° 💧 None 💨 3 mph H 70%29.94 inHg

8:00 AM

Sunny

62° 💧 None 💨 6 mph H 78%29.94 inHg

2:00 PM

Mostly sunny

65° 💧 None 💨 10 mph H 90%29.97 inHg

8:00 PM

Clear night

86° 💧 None 💨 13 mph H 62%29.91 inHg

Monday

2:00 AM

Mostly clear night

80° 💧 None 💨 7 mph H 72%29.88 inHg

8:00 AM

Partly cloudy

69° 💧 None 💨 2 mph H 98%29.91 inHg

2:00 PM

Moderate rain

61° 💧 None 💨 18 mph H 97%29.97 inHg

8:00 PM

Mostly clear night

63° 💧 None 💨 17 mph H 76%30.09 inHg

Tuesday

2:00 AM

Clear night

60° 💧 None 💨 10 mph H 73%30.12 inHg

8:00 AM

Sunny

52° 💧 None 💨 6 mph H 86%30.18 inHg

2:00 PM

Sunny

51° 💧 None 💨 7 mph H 92%30.24 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 5 mph H 57%30.21 inHg

Wednesday

2:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 74%30.18 inHg

8:00 AM

Sunny

53° 💧 None 💨 6 mph H 88%30.24 inHg

2:00 PM

Sunny

52° 💧 None 💨 5 mph H 86%30.30 inHg

8:00 PM

Mostly cloudy night

68° 💧 None 💨 8 mph H 53%30.30 inHg

Thursday

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 73%30.27 inHg

8:00 AM

Sunny

54° 💧 None 💨 4 mph H 91%30.27 inHg

2:00 PM

Sunny

53° 💧 None 💨 7 mph H 85%30.30 inHg

8:00 PM

Mostly cloudy night

69° 💧 None 💨 9 mph H 59%30.27 inHg

Friday

2:00 AM

Mostly clear night

61° 💧 None 💨 4 mph H 82%30.24 inHg

8:00 AM

Sunny

55° 💧 None 💨 5 mph H 91%30.24 inHg

2:00 PM

Mostly sunny

55° 💧 None 💨 4 mph H 90%30.24 inHg

8:00 PM

Mostly clear night

72° 💧 None 💨 5 mph H 60%30.21 inHg

Saturday

2:00 AM

Mostly clear night

65° 💧 None 💨 0 mph H 73%30.12 inHg

8:00 AM

Sunny

59° 💧 None 💨 6 mph H 85%30.09 inHg

2:00 PM

Partly cloudy

58° 💧 None 💨 5 mph H 89%30.06 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 10 mph H 55%29.97 inHg

Sunday

2:00 AM

Overcast night

69° 💧 None 💨 7 mph H 61%29.88 inHg

8:00 AM

Overcast

65° 💧 None 💨 6 mph H 71%29.88 inHg

2:00 PM

Mostly cloudy

61° 💧 None 💨 9 mph H 88%29.91 inHg

In Walnut Creek and, more broadly, across the state of Ohio: The evening will feature mostly sunny skies with a few clouds drifting through. Temperatures will remain mild to warm, ranging from about 70 to 77 degrees Fahrenheit. There is a possibility of light rain during the night, with an estimated accumulation of around 0.02 inches. Winds will be moderate from the northeast, reaching up to 10 mph, with occasional gusts up to 22 mph. Those heading outdoors can expect a relatively calm evening, although a brief shower could occur. It’s advisable to keep an umbrella handy if planning to be outside later tonight, especially during the late hours when rain chances are higher. The weather will gradually settle into the overnight hours, with temperatures remaining mild and wind speeds easing.

15-Day Weather Outlook for Walnut Creek

TomorrowTomorrow

Mostly sunny 77°/58° 💧 None 💨 10 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 80°/58° 💧 0.068 in 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 85°/67° 💧 0.001 in 💨 15 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 79°/69° 💧 1.364 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 71°/59° 💧 0.004 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 75°/60° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 77°/62° 💧 None 💨 10 mph

Monday, Sep 14Mon Sep 14

Moderate rain 86°/61° 💧 0.477 in 💨 18 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 63°/51° 💧 0.346 in 💨 17 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 67°/52° 💧 0.002 in 💨 6 mph

Thursday, Sep 17Thu Sep 17

Mostly cloudy 68°/53° 💧 None 💨 8 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 69°/55° 💧 0.022 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 72°/58° 💧 0.011 in 💨 6 mph

Sunday, Sep 20Sun Sep 20

Mostly cloudy 74°/61° 💧 0.023 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Walnut Creek

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Walnut Creek

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

PM2.5 Fine particles Good 6,0µg/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 6,4µg/m³

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

O₃ Ozone Good 51,0µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Walnut Creek

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 7,2High 😊Good

Tomorrow UV 7,0High 🙂Fair

Tuesday UV 7,0High 🙂Fair

Wednesday UV 7,4High 🙂Fair

Thursday UV 5,0Moderate 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

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

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.

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 Walnut Creek

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WALNUT CREEK, OHIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:27 PM–5:24 AM

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

☾ Moonlight 32% Last Quarter · Moon about 5° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 49° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min65%

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 Walnut Creek were last refreshed today at 1:21 AM. The current forecast period extends through 07/09/2026 at 11:00 PM. 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.