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Current weather in St. Petersburg is broken clouds.

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

Now · 8:06 AM

St. Petersburg Weather & Hourly Forecast

United States · Pennsylvania · 16054

51°F

Mostly cloudy

Feels like: 45°F

💧 Humidity 93% 🌡 Pressure 30.42 inHg 💨 Wind 10 mph 👁 Visibility 16.2 mi ☁ Clouds 92% ☀️ UV index 0.1 · Low 🌅 Sunrise 7:06 AM 🌇 Sunset 7:15 PM

Hourly Forecast for St. Petersburg

Today

9:00 AM

Mostly cloudy

52° 💧 None 💨 9 mph H 86%30.42 inHg

12:00 PM

Mostly cloudy

60° 💧 None 💨 12 mph H 50%30.39 inHg

3:00 PM

Mostly sunny

63° 💧 None 💨 10 mph H 47%30.36 inHg

6:00 PM

Partly cloudy

61° 💧 None 💨 8 mph H 58%30.36 inHg

9:00 PM

Overcast night

56° 💧 None 💨 9 mph H 65%30.39 inHg

Tomorrow

12:00 AM

Partly cloudy night

52° 💧 None 💨 8 mph H 77%30.39 inHg

3:00 AM

Mostly clear night

49° 💧 None 💨 7 mph H 85%30.39 inHg

6:00 AM

Mostly clear night

46° 💧 None 💨 7 mph H 88%30.42 inHg

9:00 AM

Mostly cloudy

49° 💧 None 💨 7 mph H 78%30.45 inHg

12:00 PM

Overcast

58° 💧 None 💨 7 mph H 56%30.42 inHg

3:00 PM

Mostly cloudy

64° 💧 None 💨 7 mph H 47%30.33 inHg

6:00 PM

Sunny

62° 💧 None 💨 4 mph H 62%30.30 inHg

9:00 PM

Clear night

52° 💧 None 💨 7 mph H 75%30.30 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 7 mph H 76%30.33 inHg

3:00 AM

Clear night

45° 💧 None 💨 6 mph H 90%30.30 inHg

6:00 AM

Clear night

43° 💧 None 💨 4 mph H 93%30.30 inHg

Today

9:00 AM

Mostly cloudy

52° 💧 None 💨 9 mph H 86%30.42 inHg

10:00 AM

Mostly cloudy

55° 💧 None 💨 11 mph H 67%30.42 inHg

11:00 AM

Mostly cloudy

58° 💧 None 💨 12 mph H 55%30.42 inHg

12:00 PM

Mostly cloudy

60° 💧 None 💨 12 mph H 50%30.39 inHg

1:00 PM

Mostly cloudy

61° 💧 None 💨 12 mph H 49%30.39 inHg

2:00 PM

Mostly cloudy

62° 💧 None 💨 11 mph H 48%30.36 inHg

3:00 PM

Mostly sunny

63° 💧 None 💨 10 mph H 47%30.36 inHg

4:00 PM

Partly cloudy

63° 💧 None 💨 10 mph H 48%30.33 inHg

5:00 PM

Mostly sunny

63° 💧 None 💨 9 mph H 50%30.33 inHg

6:00 PM

Partly cloudy

61° 💧 None 💨 8 mph H 58%30.36 inHg

7:00 PM

Overcast

58° 💧 None 💨 8 mph H 63%30.36 inHg

8:00 PM

Overcast night

57° 💧 None 💨 9 mph H 63%30.36 inHg

9:00 PM

Overcast night

56° 💧 None 💨 9 mph H 65%30.39 inHg

10:00 PM

Mostly cloudy night

55° 💧 None 💨 9 mph H 69%30.39 inHg

11:00 PM

Mostly cloudy night

53° 💧 None 💨 8 mph H 73%30.39 inHg

Tomorrow

12:00 AM

Partly cloudy night

52° 💧 None 💨 8 mph H 77%30.39 inHg

1:00 AM

Partly cloudy night

51° 💧 None 💨 8 mph H 80%30.39 inHg

2:00 AM

Clear night

50° 💧 None 💨 7 mph H 83%30.39 inHg

3:00 AM

Mostly clear night

49° 💧 None 💨 7 mph H 85%30.39 inHg

4:00 AM

Mostly clear night

48° 💧 None 💨 7 mph H 86%30.39 inHg

5:00 AM

Mostly clear night

47° 💧 None 💨 7 mph H 87%30.42 inHg

6:00 AM

Mostly clear night

46° 💧 None 💨 7 mph H 88%30.42 inHg

7:00 AM

Partly cloudy night

46° 💧 None 💨 8 mph H 87%30.42 inHg

8:00 AM

Partly cloudy

46° 💧 None 💨 8 mph H 84%30.45 inHg

9:00 AM

Mostly cloudy

49° 💧 None 💨 7 mph H 78%30.45 inHg

10:00 AM

Mostly cloudy

53° 💧 None 💨 8 mph H 68%30.42 inHg

11:00 AM

Overcast

56° 💧 None 💨 8 mph H 61%30.42 inHg

12:00 PM

Overcast

58° 💧 None 💨 7 mph H 56%30.42 inHg

1:00 PM

Overcast

61° 💧 None 💨 7 mph H 53%30.39 inHg

2:00 PM

Overcast

63° 💧 None 💨 7 mph H 50%30.36 inHg

3:00 PM

Mostly cloudy

64° 💧 None 💨 7 mph H 47%30.33 inHg

4:00 PM

Partly cloudy

64° 💧 None 💨 7 mph H 44%30.30 inHg

5:00 PM

Mostly sunny

64° 💧 None 💨 7 mph H 45%30.30 inHg

6:00 PM

Sunny

62° 💧 None 💨 4 mph H 62%30.30 inHg

7:00 PM

Sunny

58° 💧 None 💨 2 mph H 67%30.30 inHg

8:00 PM

Clear night

54° 💧 None 💨 4 mph H 76%30.30 inHg

9:00 PM

Clear night

52° 💧 None 💨 7 mph H 75%30.30 inHg

10:00 PM

Clear night

50° 💧 None 💨 7 mph H 71%30.33 inHg

11:00 PM

Clear night

49° 💧 None 💨 7 mph H 73%30.33 inHg

Friday

12:00 AM

Clear night

48° 💧 None 💨 7 mph H 76%30.33 inHg

1:00 AM

Clear night

47° 💧 None 💨 7 mph H 81%30.33 inHg

2:00 AM

Clear night

46° 💧 None 💨 6 mph H 85%30.33 inHg

3:00 AM

Clear night

45° 💧 None 💨 6 mph H 90%30.30 inHg

4:00 AM

Clear night

44° 💧 None 💨 6 mph H 92%30.30 inHg

5:00 AM

Clear night

44° 💧 None 💨 6 mph H 93%30.30 inHg

6:00 AM

Clear night

43° 💧 None 💨 4 mph H 93%30.30 inHg

7:00 AM

Clear night

43° 💧 None 💨 5 mph H 94%30.33 inHg

8:00 AM

Sunny

45° 💧 None 💨 6 mph H 92%30.33 inHg

9:00 AM

Sunny

50° 💧 None 💨 4 mph H 85%30.33 inHg

10:00 AM

Sunny

56° 💧 None 💨 5 mph H 77%30.33 inHg

11:00 AM

Sunny

60° 💧 None 💨 6 mph H 68%30.30 inHg

12:00 PM

Sunny

63° 💧 None 💨 6 mph H 59%30.30 inHg

1:00 PM

Sunny

65° 💧 None 💨 6 mph H 54%30.27 inHg

2:00 PM

Sunny

66° 💧 None 💨 6 mph H 52%30.24 inHg

3:00 PM

Sunny

67° 💧 None 💨 6 mph H 50%30.21 inHg

4:00 PM

Sunny

67° 💧 None 💨 6 mph H 52%30.21 inHg

5:00 PM

Sunny

66° 💧 None 💨 7 mph H 55%30.21 inHg

6:00 PM

Sunny

64° 💧 None 💨 6 mph H 65%30.21 inHg

7:00 PM

Sunny

59° 💧 None 💨 6 mph H 75%30.21 inHg

8:00 PM

Partly cloudy night

57° 💧 None 💨 8 mph H 79%30.21 inHg

11:00 PM

Overcast night

53° 💧 None 💨 7 mph H 90%30.24 inHg

Saturday

2:00 AM

Partly cloudy night

49° 💧 None 💨 5 mph H 95%30.24 inHg

5:00 AM

Clear night

47° 💧 None 💨 5 mph H 96%30.21 inHg

8:00 AM

Sunny

49° 💧 None 💨 6 mph H 95%30.24 inHg

11:00 AM

Sunny

63° 💧 None 💨 5 mph H 70%30.24 inHg

2:00 PM

Sunny

69° 💧 None 💨 7 mph H 42%30.18 inHg

5:00 PM

Sunny

68° 💧 None 💨 7 mph H 52%30.12 inHg

8:00 PM

Clear night

59° 💧 None 💨 8 mph H 71%30.15 inHg

11:00 PM

Clear night

53° 💧 None 💨 7 mph H 79%30.15 inHg

Sunday

2:00 AM

Clear night

49° 💧 None 💨 4 mph H 85%30.12 inHg

5:00 AM

Mostly cloudy night

49° 💧 None 💨 6 mph H 86%30.09 inHg

8:00 AM

Overcast

52° 💧 None 💨 7 mph H 88%30.09 inHg

11:00 AM

Mostly cloudy

62° 💧 None 💨 9 mph H 72%30.09 inHg

2:00 PM

Partly cloudy

68° 💧 None 💨 11 mph H 56%30.03 inHg

5:00 PM

Mostly cloudy

65° 💧 None 💨 11 mph H 58%30.00 inHg

8:00 PM

Partly cloudy night

57° 💧 None 💨 8 mph H 79%30.00 inHg

11:00 PM

Mostly clear night

52° 💧 None 💨 6 mph H 89%30.00 inHg

Monday

2:00 AM

Mostly cloudy night

50° 💧 None 💨 6 mph H 90%29.97 inHg

5:00 AM

Mostly clear night

50° 💧 None 💨 7 mph H 93%29.97 inHg

8:00 AM

Overcast

54° 💧 None 💨 6 mph H 89%29.97 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 7 mph H 79%29.97 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 7 mph H 54%29.94 inHg

5:00 PM

Sunny

68° 💧 None 💨 7 mph H 57%29.94 inHg

8:00 PM

Clear night

58° 💧 None 💨 6 mph H 83%29.97 inHg

Tuesday

2:00 AM

Mostly clear night

50° 💧 None 💨 1 mph H 93%30.00 inHg

8:00 AM

Overcast

48° 💧 None 💨 1 mph H 99%30.06 inHg

2:00 PM

Partly cloudy

70° 💧 None 💨 3 mph H 57%30.00 inHg

8:00 PM

Clear night

60° 💧 None 💨 4 mph H 84%29.97 inHg

Wednesday

2:00 AM

Clear night

54° 💧 None 💨 7 mph H 93%29.94 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 8 mph H 84%29.94 inHg

2:00 PM

Partly cloudy

78° 💧 None 💨 12 mph H 60%29.88 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 10 mph H 82%29.85 inHg

Thursday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 10 mph H 72%29.83 inHg

8:00 AM

Overcast

64° 💧 None 💨 12 mph H 78%29.77 inHg

2:00 PM

Light rain

67° 💧 None 💨 15 mph H 97%29.71 inHg

8:00 PM

Light rain

65° 💧 None 💨 10 mph H 98%29.71 inHg

Friday

2:00 AM

Clear night

57° 💧 None 💨 7 mph H 95%29.80 inHg

8:00 AM

Mostly cloudy

56° 💧 None 💨 8 mph H 96%29.83 inHg

2:00 PM

Light rain

61° 💧 None 💨 11 mph H 63%29.85 inHg

8:00 PM

Mostly clear night

52° 💧 None 💨 7 mph H 92%29.94 inHg

Saturday

2:00 AM

Mostly clear night

48° 💧 None 💨 6 mph H 98%30.03 inHg

8:00 AM

Mostly sunny

48° 💧 None 💨 6 mph H 95%30.12 inHg

2:00 PM

Overcast

55° 💧 None 💨 8 mph H 57%30.15 inHg

8:00 PM

Overcast night

50° 💧 None 💨 5 mph H 75%30.21 inHg

Sunday

2:00 AM

Overcast night

48° 💧 None 💨 1 mph H 85%30.24 inHg

8:00 AM

Overcast

47° 💧 None 💨 3 mph H 88%30.30 inHg

2:00 PM

Overcast

57° 💧 None 💨 6 mph H 51%30.27 inHg

8:00 PM

Overcast night

49° 💧 None 💨 5 mph H 73%30.24 inHg

Monday

2:00 AM

Mostly clear night

45° 💧 None 💨 2 mph H 85%30.24 inHg

8:00 AM

Overcast

44° 💧 None 💨 4 mph H 89%30.27 inHg

2:00 PM

Overcast

63° 💧 None 💨 4 mph H 49%30.18 inHg

8:00 PM

Mostly clear night

52° 💧 None 💨 5 mph H 78%30.15 inHg

Tuesday

2:00 AM

Partly cloudy night

49° 💧 None 💨 6 mph H 86%30.12 inHg

8:00 AM

Overcast

55° 💧 None 💨 8 mph H 75%30.06 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 13 mph H 58%29.91 inHg

8:00 PM

Partly cloudy night

67° 💧 None 💨 12 mph H 69%29.83 inHg

Wednesday

2:00 AM

Mostly cloudy night

58° 💧 None 💨 11 mph H 97%29.83 inHg

8:00 AM

Sunny

46° 💧 None 💨 7 mph H 94%29.88 inHg

2:00 PM

Light rain

56° 💧 None 💨 13 mph H 55%29.85 inHg

8:00 PM

Mostly clear night

48° 💧 None 💨 5 mph H 74%29.85 inHg

In St. Petersburg and, more broadly, across the state of Pennsylvania: This morning will start with mostly cloudy skies and mild temperatures ranging from 55 to 64 degrees Fahrenheit. Light northeast winds will blow at around 8 mph, with gusts reaching up to 19 mph. As the day progresses, the sky will remain mostly cloudy, and there is a high likelihood of rain, with total accumulation around 0.24 inches. Winds will continue to be light, but gusts may be slightly stronger during the storm. Temperatures are expected to stay within the mild range through the afternoon, making for a relatively comfortable day despite the unsettled weather. Be prepared for the possibility of rain, especially later in the day.

15-Day Weather Outlook for St. Petersburg

TomorrowTomorrow

Partly cloudy 64°/46° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 67°/43° 💧 0.166 in 💨 8 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 69°/47° 💧 0.001 in 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly cloudy 68°/49° 💧 None 💨 11 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 69°/50° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 70°/48° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 78°/54° 💧 0.013 in 💨 12 mph

Thursday, Oct 1Thu Oct 1

Light rain 68°/64° 💧 0.376 in 💨 15 mph

Friday, Oct 2Fri Oct 2

Light rain 61°/52° 💧 0.084 in 💨 11 mph

Saturday, Oct 3Sat Oct 3

Overcast 55°/48° 💧 0.008 in 💨 8 mph

Sunday, Oct 4Sun Oct 4

Overcast 57°/47° 💧 0.001 in 💨 6 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 63°/44° 💧 None 💨 5 mph

Tuesday, Oct 6Tue Oct 6

Partly cloudy 69°/49° 💧 0.001 in 💨 13 mph

Wednesday, Oct 7Wed Oct 7

Light rain 58°/46° 💧 0.162 in 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Petersburg

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Petersburg

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 AM

PM2.5 Fine particles Good 1,8µg/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 2,7µg/m³

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

O₃ Ozone Good 44,8µg/m³

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

NO₂ Nitrogen dioxide Good 7,8µg/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 St. 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 5,4Moderate 😊Good

Tomorrow UV 5,4Moderate 🙂Fair

Friday UV 5,5Moderate 🙂Fair

Saturday UV 5,1Moderate 🙂Fair

Sunday UV 5,0Moderate 🙂Fair

Monday UV 6,0High —Unavailable

Tuesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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 St. Petersburg

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. PETERSBURG, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

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

89/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:46 PM–5:36 AM

☁ Cloud cover 5% Real hourly forecast for the best viewing hour.

☾ Moonlight 94% Waxing Gibbous · Moon about 26° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 48° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min37%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 St. Petersburg were last refreshed today at 8:06 AM. The current forecast period extends through 25/09/2026 at 6:00 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.