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Current weather in Petersburg is overcast clouds.

Where can I find the hourly weather forecast for Petersburg?

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

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

Now · 6:20 AM

Petersburg Weather & Hourly Forecast

United States · Kentucky · 41080

70°F

Overcast night

Feels like: 76°F

💧 Humidity 97% 🌡 Pressure 29.88 inHg 💨 Wind 3 mph 👁 Visibility 8.9 mi ☁ Clouds 98% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Petersburg

Today

7:00 AM

Overcast night

70° 💧 None 💨 4 mph H 97%29.88 inHg

10:00 AM

Overcast

75° 💧 0.012 in 💨 3 mph H 88%29.91 inHg

1:00 PM

Light thunderstorms

81° 💧 0.124 in 💨 3 mph H 75%29.91 inHg

4:00 PM

Light rain

79° 💧 0.222 in 💨 6 mph H 83%29.88 inHg

7:00 PM

Light rain

73° 💧 0.016 in 💨 4 mph H 97%29.88 inHg

10:00 PM

Clear night

70° 💧 None 💨 3 mph H 100%29.94 inHg

Tomorrow

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 100%29.94 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 99%29.94 inHg

7:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 100%29.97 inHg

10:00 AM

Sunny

74° 💧 None 💨 3 mph H 94%30.03 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 4 mph H 57%30.00 inHg

4:00 PM

Partly cloudy

87° 💧 0.058 in 💨 7 mph H 51%29.91 inHg

7:00 PM

Thunderstorms

71° 💧 0.100 in 💨 3 mph H 98%30.00 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 4 mph H 98%30.03 inHg

Monday

1:00 AM

Partly cloudy night

68° 💧 0.001 in 💨 9 mph H 95%30.06 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 9 mph H 77%30.12 inHg

Today

7:00 AM

Overcast night

70° 💧 None 💨 4 mph H 97%29.88 inHg

8:00 AM

Overcast

71° 💧 None 💨 4 mph H 96%29.91 inHg

9:00 AM

Overcast

73° 💧 None 💨 4 mph H 93%29.91 inHg

10:00 AM

Overcast

75° 💧 0.000 in 💨 3 mph H 88%29.91 inHg

11:00 AM

Overcast

78° 💧 0.001 in 💨 5 mph H 80%29.94 inHg

12:00 PM

Light rain

79° 💧 0.011 in 💨 4 mph H 79%29.94 inHg

1:00 PM

Light thunderstorms

81° 💧 0.006 in 💨 3 mph H 75%29.91 inHg

2:00 PM

Light thunderstorms

82° 💧 0.008 in 💨 5 mph H 71%29.91 inHg

3:00 PM

Thunderstorms

74° 💧 0.110 in 💨 8 mph H 96%29.91 inHg

4:00 PM

Light rain

79° 💧 0.013 in 💨 6 mph H 83%29.88 inHg

5:00 PM

Light rain

80° 💧 0.007 in 💨 3 mph H 78%29.88 inHg

6:00 PM

Thunderstorms

72° 💧 0.202 in 💨 4 mph H 98%29.88 inHg

7:00 PM

Light rain

73° 💧 0.016 in 💨 4 mph H 97%29.88 inHg

8:00 PM

Clear night

72° 💧 0.000 in 💨 2 mph H 99%29.88 inHg

9:00 PM

Clear night

71° 💧 None 💨 3 mph H 99%29.91 inHg

10:00 PM

Clear night

70° 💧 None 💨 3 mph H 100%29.94 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 3 mph H 100%29.94 inHg

Tomorrow

12:00 AM

Mostly clear night

70° 💧 None 💨 3 mph H 99%29.97 inHg

1:00 AM

Clear night

70° 💧 None 💨 3 mph H 100%29.94 inHg

2:00 AM

Clear night

69° 💧 None 💨 3 mph H 99%29.94 inHg

3:00 AM

Mostly clear night

69° 💧 None 💨 3 mph H 99%29.94 inHg

4:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 99%29.94 inHg

5:00 AM

Mostly clear night

68° 💧 None 💨 3 mph H 99%29.94 inHg

6:00 AM

Mostly clear night

68° 💧 None 💨 2 mph H 99%29.97 inHg

7:00 AM

Partly cloudy night

67° 💧 None 💨 2 mph H 100%29.97 inHg

8:00 AM

Mist

68° 💧 None 💨 4 mph H 100%30.00 inHg

9:00 AM

Mostly sunny

71° 💧 None 💨 3 mph H 98%30.00 inHg

10:00 AM

Sunny

74° 💧 None 💨 3 mph H 94%30.03 inHg

11:00 AM

Sunny

79° 💧 None 💨 3 mph H 82%30.03 inHg

12:00 PM

Sunny

83° 💧 None 💨 3 mph H 67%30.00 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 4 mph H 57%30.00 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 6 mph H 54%29.97 inHg

3:00 PM

Partly cloudy

87° 💧 None 💨 7 mph H 51%29.94 inHg

4:00 PM

Partly cloudy

87° 💧 None 💨 7 mph H 51%29.91 inHg

5:00 PM

Mostly cloudy

86° 💧 None 💨 8 mph H 52%29.91 inHg

6:00 PM

Light thunderstorms

75° 💧 0.058 in 💨 14 mph H 82%30.00 inHg

7:00 PM

Thunderstorms

71° 💧 0.099 in 💨 3 mph H 98%30.00 inHg

8:00 PM

Mostly cloudy night

71° 💧 0.001 in 💨 4 mph H 98%30.00 inHg

9:00 PM

Mostly cloudy night

71° 💧 None 💨 2 mph H 97%30.00 inHg

10:00 PM

Partly cloudy night

70° 💧 None 💨 4 mph H 98%30.03 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 98%30.06 inHg

Monday

12:00 AM

Mostly clear night

69° 💧 None 💨 6 mph H 98%30.06 inHg

1:00 AM

Partly cloudy night

68° 💧 None 💨 9 mph H 95%30.06 inHg

2:00 AM

Overcast night

65° 💧 0.001 in 💨 9 mph H 91%30.09 inHg

3:00 AM

Overcast night

65° 💧 None 💨 8 mph H 82%30.09 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 9 mph H 77%30.12 inHg

5:00 AM

Overcast night

63° 💧 None 💨 9 mph H 74%30.15 inHg

6:00 AM

Overcast night

62° 💧 None 💨 9 mph H 69%30.15 inHg

7:00 AM

Mostly cloudy night

62° 💧 None 💨 8 mph H 69%30.18 inHg

8:00 AM

Sunny

61° 💧 None 💨 8 mph H 73%30.21 inHg

9:00 AM

Sunny

62° 💧 None 💨 8 mph H 72%30.21 inHg

10:00 AM

Sunny

64° 💧 None 💨 8 mph H 68%30.24 inHg

11:00 AM

Sunny

67° 💧 None 💨 8 mph H 63%30.24 inHg

12:00 PM

Sunny

69° 💧 None 💨 7 mph H 56%30.24 inHg

1:00 PM

Sunny

71° 💧 None 💨 7 mph H 52%30.21 inHg

2:00 PM

Sunny

73° 💧 None 💨 7 mph H 50%30.18 inHg

3:00 PM

Mostly sunny

74° 💧 None 💨 6 mph H 49%30.18 inHg

4:00 PM

Mostly cloudy

74° 💧 None 💨 5 mph H 50%30.15 inHg

5:00 PM

Mostly sunny

74° 💧 None 💨 5 mph H 51%30.15 inHg

6:00 PM

Partly cloudy

73° 💧 None 💨 6 mph H 54%30.15 inHg

7:00 PM

Sunny

71° 💧 None 💨 4 mph H 65%30.15 inHg

8:00 PM

Clear night

66° 💧 None 💨 4 mph H 74%30.15 inHg

11:00 PM

Clear night

63° 💧 None 💨 7 mph H 77%30.18 inHg

Tuesday

2:00 AM

Clear night

61° 💧 None 💨 7 mph H 77%30.18 inHg

5:00 AM

Clear night

60° 💧 None 💨 7 mph H 83%30.15 inHg

8:00 AM

Sunny

61° 💧 None 💨 6 mph H 82%30.21 inHg

11:00 AM

Partly cloudy

73° 💧 None 💨 5 mph H 68%30.21 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 5 mph H 59%30.18 inHg

5:00 PM

Mostly cloudy

87° 💧 None 💨 6 mph H 57%30.12 inHg

8:00 PM

Clear night

79° 💧 None 💨 6 mph H 75%30.12 inHg

11:00 PM

Clear night

76° 💧 None 💨 7 mph H 78%30.18 inHg

Wednesday

2:00 AM

Clear night

73° 💧 None 💨 6 mph H 84%30.18 inHg

5:00 AM

Clear night

71° 💧 None 💨 4 mph H 88%30.21 inHg

8:00 AM

Sunny

70° 💧 None 💨 4 mph H 89%30.24 inHg

11:00 AM

Sunny

83° 💧 None 💨 3 mph H 68%30.27 inHg

2:00 PM

Mostly sunny

90° 💧 None 💨 2 mph H 53%30.24 inHg

5:00 PM

Sunny

91° 💧 None 💨 5 mph H 50%30.18 inHg

8:00 PM

Clear night

82° 💧 None 💨 6 mph H 68%30.21 inHg

11:00 PM

Clear night

78° 💧 None 💨 7 mph H 75%30.24 inHg

Thursday

2:00 AM

Clear night

75° 💧 None 💨 6 mph H 82%30.21 inHg

5:00 AM

Clear night

72° 💧 None 💨 4 mph H 85%30.24 inHg

8:00 AM

Sunny

71° 💧 None 💨 3 mph H 87%30.24 inHg

11:00 AM

Sunny

83° 💧 None 💨 3 mph H 63%30.24 inHg

2:00 PM

Sunny

90° 💧 None 💨 1 mph H 51%30.21 inHg

5:00 PM

Sunny

91° 💧 None 💨 2 mph H 48%30.15 inHg

8:00 PM

Clear night

82° 💧 None 💨 4 mph H 70%30.15 inHg

Friday

2:00 AM

Clear night

75° 💧 None 💨 4 mph H 79%30.15 inHg

8:00 AM

Sunny

71° 💧 None 💨 4 mph H 81%30.15 inHg

2:00 PM

Sunny

92° 💧 None 💨 4 mph H 45%30.09 inHg

8:00 PM

Clear night

84° 💧 None 💨 1 mph H 62%30.00 inHg

Saturday

2:00 AM

Clear night

75° 💧 None 💨 5 mph H 75%30.00 inHg

8:00 AM

Sunny

70° 💧 None 💨 6 mph H 80%29.97 inHg

2:00 PM

Sunny

91° 💧 None 💨 8 mph H 34%29.88 inHg

8:00 PM

Partly cloudy night

84° 💧 None 💨 0 mph H 48%29.80 inHg

Sunday

2:00 AM

Overcast night

74° 💧 None 💨 5 mph H 72%29.83 inHg

8:00 AM

Light rain

70° 💧 None 💨 7 mph H 87%29.88 inHg

2:00 PM

Partly cloudy

76° 💧 None 💨 11 mph H 50%29.94 inHg

8:00 PM

Overcast night

71° 💧 None 💨 7 mph H 48%29.97 inHg

Monday

2:00 AM

Mostly cloudy night

63° 💧 None 💨 10 mph H 57%30.03 inHg

8:00 AM

Overcast

58° 💧 None 💨 8 mph H 74%30.09 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 44%30.06 inHg

8:00 PM

Overcast night

65° 💧 None 💨 6 mph H 52%30.00 inHg

Tuesday

2:00 AM

Mostly clear night

58° 💧 None 💨 6 mph H 71%30.03 inHg

8:00 AM

Mostly sunny

58° 💧 None 💨 6 mph H 72%30.03 inHg

2:00 PM

Sunny

76° 💧 None 💨 6 mph H 49%30.00 inHg

8:00 PM

Overcast night

73° 💧 None 💨 6 mph H 64%30.00 inHg

Wednesday

2:00 AM

Overcast night

65° 💧 None 💨 6 mph H 75%30.06 inHg

8:00 AM

Overcast

61° 💧 None 💨 6 mph H 85%30.12 inHg

2:00 PM

Overcast

79° 💧 None 💨 8 mph H 46%30.12 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 5 mph H 54%30.09 inHg

Thursday

2:00 AM

Overcast night

65° 💧 None 💨 4 mph H 81%30.15 inHg

8:00 AM

Overcast

63° 💧 None 💨 6 mph H 87%30.18 inHg

2:00 PM

Overcast

77° 💧 None 💨 7 mph H 57%30.18 inHg

8:00 PM

Overcast night

75° 💧 None 💨 6 mph H 63%30.15 inHg

Friday

2:00 AM

Overcast night

71° 💧 None 💨 4 mph H 78%30.18 inHg

8:00 AM

Overcast

68° 💧 None 💨 5 mph H 86%30.21 inHg

2:00 PM

Partly cloudy

81° 💧 None 💨 7 mph H 49%30.15 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 4 mph H 53%30.12 inHg

Saturday

2:00 AM

Clear night

66° 💧 None 💨 3 mph H 80%30.12 inHg

8:00 AM

Sunny

61° 💧 None 💨 3 mph H 89%30.09 inHg

2:00 PM

Sunny

81° 💧 None 💨 5 mph H 41%30.00 inHg

8:00 PM

Clear night

74° 💧 None 💨 5 mph H 50%29.94 inHg

In Petersburg and, more broadly, across the state of Kentucky: This morning will start with a mix of sun and clouds, with temperatures gradually warming to a mild to warm range between 73 and 79 degrees Fahrenheit. Winds will be light from the south, blowing at up to 7 mph with gusts reaching 11 mph. As the day progresses, there's a high likelihood of rain, with some areas possibly receiving around 0.29 inches of precipitation. The rain could begin mid-morning and continue into the afternoon, so plan accordingly. Temperatures are expected to remain steady, making for a relatively comfortable day despite the unsettled weather. Keep an eye on local updates throughout the day for any changes in the forecast.

15-Day Weather Outlook for Petersburg

TomorrowTomorrow

Partly cloudy 86°/68° 💧 None 💨 8 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 78°/61° 💧 0.470 in 💨 11 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 85°/58° 💧 None 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 89°/69° 💧 0.001 in 💨 5 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 90°/72° 💧 0.003 in 💨 4 mph

Friday, Sep 18Fri Sep 18

Light rain 80°/60° 💧 0.340 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 76°/62° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Sunny 84°/71° 💧 0.017 in 💨 8 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 86°/70° 💧 None 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Light rain 87°/72° 💧 0.061 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Light rain 76°/60° 💧 0.255 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 73°/57° 💧 None 💨 6 mph

Friday, Sep 25Fri Sep 25

Overcast 69°/57° 💧 0.002 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Overcast 65°/58° 💧 0.001 in 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Petersburg

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Petersburg

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 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 3,3µg/m³

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

O₃ Ozone Good 17,8µg/m³

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

NO₂ Nitrogen dioxide Good 2,6µg/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 Petersburg

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 7,0High 😊Good

Tomorrow UV 7,2High 🙂Fair

Monday UV 7,1High 🙂Fair

Tuesday UV 9,0Very high 🙂Fair

Wednesday UV 9,0Very high 😊Good

Thursday UV 8,0Very high —Unavailable

Friday UV 8,0Very high —Unavailable

Hourly UV index today

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

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 Petersburg

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · PETERSBURG, KENTUCKY

Tonight's Stargazing & Shooting Stars

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

91/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:23 PM–5:48 AM

☁ Cloud cover 3% 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 51° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min70%

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 Petersburg were last refreshed today at 6:20 AM. The current forecast period extends through 14/09/2026 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.