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

Now · 4:16 PM

Mount Pleasant Weather & Hourly Forecast

United States · Pennsylvania · 15666

80°F

Mostly sunny

Feels like: 82°F

💧 Humidity 64% 🌡 Pressure 29.88 inHg 💨 Wind 7 mph 👁 Visibility 21.6 mi ☁ Clouds 30% ☀️ UV index 3.1 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Mount Pleasant

Today

5:00 PM

Mostly sunny

80° 💧 0.016 in 💨 7 mph H 65%29.88 inHg

8:00 PM

Light rain

68° 💧 0.132 in 💨 8 mph H 95%30.00 inHg

11:00 PM

Partly cloudy night

66° 💧 0.001 in 💨 3 mph H 100%30.00 inHg

Tomorrow

2:00 AM

Overcast night

66° 💧 0.008 in 💨 7 mph H 100%30.03 inHg

5:00 AM

Overcast night

62° 💧 0.002 in 💨 9 mph H 98%30.09 inHg

8:00 AM

Sunny

59° 💧 0.001 in 💨 7 mph H 97%30.18 inHg

11:00 AM

Sunny

63° 💧 None 💨 7 mph H 71%30.24 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 6 mph H 56%30.21 inHg

5:00 PM

Sunny

68° 💧 None 💨 5 mph H 51%30.21 inHg

8:00 PM

Clear night

60° 💧 None 💨 4 mph H 73%30.21 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 3 mph H 76%30.24 inHg

Tuesday

2:00 AM

Mostly clear night

52° 💧 None 💨 4 mph H 88%30.24 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 6 mph H 72%30.24 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 10 mph H 70%30.24 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 8 mph H 63%30.27 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 58%30.24 inHg

Today

5:00 PM

Mostly sunny

80° 💧 None 💨 7 mph H 65%29.88 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 7 mph H 70%29.88 inHg

7:00 PM

Light rain

73° 💧 0.016 in 💨 12 mph H 81%29.94 inHg

8:00 PM

Light rain

68° 💧 0.029 in 💨 8 mph H 95%30.00 inHg

9:00 PM

Thunderstorms

67° 💧 0.099 in 💨 2 mph H 97%30.03 inHg

10:00 PM

Mostly clear night

67° 💧 0.003 in 💨 4 mph H 98%29.97 inHg

11:00 PM

Partly cloudy night

66° 💧 0.000 in 💨 3 mph H 100%30.00 inHg

Tomorrow

12:00 AM

Mostly cloudy night

66° 💧 None 💨 4 mph H 100%30.00 inHg

1:00 AM

Overcast night

66° 💧 0.001 in 💨 6 mph H 98%30.03 inHg

2:00 AM

Overcast night

66° 💧 0.001 in 💨 7 mph H 100%30.03 inHg

3:00 AM

Mostly cloudy night

66° 💧 0.003 in 💨 8 mph H 100%30.03 inHg

4:00 AM

Light rain

64° 💧 0.004 in 💨 9 mph H 98%30.06 inHg

5:00 AM

Overcast night

62° 💧 0.001 in 💨 9 mph H 98%30.09 inHg

6:00 AM

Mostly cloudy night

61° 💧 0.001 in 💨 9 mph H 97%30.12 inHg

7:00 AM

Sunny

60° 💧 0.000 in 💨 7 mph H 97%30.15 inHg

8:00 AM

Sunny

59° 💧 0.000 in 💨 7 mph H 97%30.18 inHg

9:00 AM

Mostly sunny

60° 💧 0.000 in 💨 8 mph H 92%30.21 inHg

10:00 AM

Mostly sunny

61° 💧 None 💨 8 mph H 84%30.21 inHg

11:00 AM

Sunny

63° 💧 None 💨 7 mph H 71%30.24 inHg

12:00 PM

Sunny

65° 💧 None 💨 7 mph H 62%30.24 inHg

1:00 PM

Sunny

66° 💧 None 💨 6 mph H 58%30.21 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 6 mph H 56%30.21 inHg

3:00 PM

Partly cloudy

68° 💧 None 💨 6 mph H 52%30.21 inHg

4:00 PM

Sunny

68° 💧 None 💨 5 mph H 51%30.18 inHg

5:00 PM

Sunny

68° 💧 None 💨 5 mph H 51%30.21 inHg

6:00 PM

Sunny

67° 💧 None 💨 5 mph H 56%30.21 inHg

7:00 PM

Sunny

63° 💧 None 💨 3 mph H 71%30.21 inHg

8:00 PM

Clear night

60° 💧 None 💨 4 mph H 73%30.21 inHg

9:00 PM

Clear night

58° 💧 None 💨 4 mph H 72%30.21 inHg

10:00 PM

Clear night

58° 💧 None 💨 4 mph H 72%30.24 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 3 mph H 76%30.24 inHg

Tuesday

12:00 AM

Clear night

54° 💧 None 💨 3 mph H 80%30.24 inHg

1:00 AM

Clear night

53° 💧 None 💨 4 mph H 87%30.24 inHg

2:00 AM

Mostly clear night

52° 💧 None 💨 4 mph H 88%30.24 inHg

3:00 AM

Mostly cloudy night

52° 💧 None 💨 4 mph H 84%30.24 inHg

4:00 AM

Mostly clear night

53° 💧 None 💨 4 mph H 78%30.24 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 6 mph H 72%30.24 inHg

6:00 AM

Clear night

56° 💧 None 💨 8 mph H 69%30.24 inHg

7:00 AM

Sunny

57° 💧 None 💨 10 mph H 68%30.24 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 10 mph H 70%30.24 inHg

9:00 AM

Mostly cloudy

62° 💧 None 💨 8 mph H 70%30.27 inHg

10:00 AM

Mostly cloudy

66° 💧 None 💨 8 mph H 68%30.27 inHg

11:00 AM

Partly cloudy

70° 💧 None 💨 8 mph H 63%30.27 inHg

12:00 PM

Partly cloudy

74° 💧 None 💨 8 mph H 59%30.27 inHg

1:00 PM

Mostly sunny

76° 💧 None 💨 7 mph H 58%30.27 inHg

2:00 PM

Partly cloudy

77° 💧 None 💨 7 mph H 58%30.24 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 7 mph H 55%30.21 inHg

4:00 PM

Sunny

79° 💧 None 💨 7 mph H 52%30.21 inHg

5:00 PM

Sunny

79° 💧 None 💨 6 mph H 53%30.21 inHg

6:00 PM

Sunny

77° 💧 None 💨 4 mph H 64%30.21 inHg

7:00 PM

Sunny

74° 💧 None 💨 3 mph H 73%30.21 inHg

8:00 PM

Clear night

70° 💧 None 💨 5 mph H 77%30.21 inHg

9:00 PM

Clear night

70° 💧 None 💨 8 mph H 73%30.24 inHg

10:00 PM

Clear night

69° 💧 None 💨 8 mph H 69%30.24 inHg

11:00 PM

Clear night

68° 💧 None 💨 7 mph H 68%30.24 inHg

Wednesday

12:00 AM

Clear night

67° 💧 None 💨 6 mph H 69%30.24 inHg

1:00 AM

Clear night

66° 💧 None 💨 5 mph H 74%30.24 inHg

2:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 80%30.24 inHg

3:00 AM

Clear night

62° 💧 None 💨 3 mph H 84%30.24 inHg

4:00 AM

Clear night

62° 💧 None 💨 3 mph H 87%30.24 inHg

5:00 AM

Clear night

61° 💧 None 💨 3 mph H 88%30.24 inHg

6:00 AM

Clear night

62° 💧 None 💨 2 mph H 86%30.27 inHg

7:00 AM

Sunny

63° 💧 None 💨 3 mph H 83%30.30 inHg

8:00 AM

Sunny

67° 💧 None 💨 2 mph H 77%30.33 inHg

11:00 AM

Sunny

76° 💧 None 💨 4 mph H 66%30.33 inHg

2:00 PM

Sunny

83° 💧 None 💨 3 mph H 61%30.30 inHg

5:00 PM

Sunny

84° 💧 None 💨 2 mph H 59%30.24 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 2 mph H 85%30.24 inHg

11:00 PM

Clear night

71° 💧 None 💨 2 mph H 95%30.27 inHg

Thursday

2:00 AM

Mostly clear night

70° 💧 None 💨 4 mph H 88%30.24 inHg

5:00 AM

Clear night

70° 💧 None 💨 4 mph H 77%30.21 inHg

8:00 AM

Sunny

71° 💧 None 💨 7 mph H 76%30.24 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 9 mph H 66%30.24 inHg

2:00 PM

Light rain

85° 💧 None 💨 9 mph H 67%30.18 inHg

5:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 70%30.09 inHg

8:00 PM

Light rain

72° 💧 None 💨 7 mph H 99%30.15 inHg

11:00 PM

Mostly cloudy night

70° 💧 None 💨 6 mph H 98%30.15 inHg

Friday

2:00 AM

Overcast night

69° 💧 None 💨 5 mph H 99%30.15 inHg

5:00 AM

Overcast night

70° 💧 None 💨 5 mph H 99%30.12 inHg

8:00 AM

Light rain

69° 💧 None 💨 5 mph H 98%30.15 inHg

11:00 AM

Overcast

72° 💧 None 💨 5 mph H 85%30.18 inHg

2:00 PM

Overcast

76° 💧 None 💨 6 mph H 73%30.15 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 68%30.09 inHg

8:00 PM

Mostly clear night

70° 💧 None 💨 3 mph H 83%30.12 inHg

11:00 PM

Clear night

65° 💧 None 💨 4 mph H 88%30.12 inHg

Saturday

2:00 AM

Clear night

61° 💧 None 💨 4 mph H 94%30.12 inHg

5:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 93%30.09 inHg

8:00 AM

Overcast

63° 💧 None 💨 5 mph H 82%30.09 inHg

2:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 58%30.03 inHg

8:00 PM

Overcast night

71° 💧 None 💨 7 mph H 66%30.00 inHg

Sunday

2:00 AM

Overcast night

63° 💧 None 💨 10 mph H 93%30.00 inHg

8:00 AM

Heavy rain

67° 💧 None 💨 5 mph H 95%30.00 inHg

2:00 PM

Light rain

78° 💧 None 💨 13 mph H 75%29.97 inHg

8:00 PM

Light rain

70° 💧 None 💨 7 mph H 99%30.00 inHg

Monday

2:00 AM

Overcast night

66° 💧 None 💨 3 mph H 98%30.03 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 4 mph H 96%30.09 inHg

2:00 PM

Sunny

84° 💧 None 💨 6 mph H 68%30.06 inHg

8:00 PM

Mostly clear night

72° 💧 None 💨 4 mph H 94%30.09 inHg

Tuesday

2:00 AM

Clear night

70° 💧 None 💨 7 mph H 95%30.09 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 8 mph H 98%30.12 inHg

2:00 PM

Mostly cloudy

82° 💧 None 💨 8 mph H 72%30.06 inHg

8:00 PM

Light rain

69° 💧 None 💨 3 mph H 97%30.09 inHg

Wednesday

2:00 AM

Overcast night

65° 💧 None 💨 6 mph H 98%30.12 inHg

8:00 AM

Overcast

60° 💧 None 💨 7 mph H 97%30.18 inHg

2:00 PM

Sunny

71° 💧 None 💨 8 mph H 60%30.21 inHg

8:00 PM

Clear night

62° 💧 None 💨 7 mph H 75%30.21 inHg

Thursday

2:00 AM

Clear night

55° 💧 None 💨 8 mph H 82%30.30 inHg

8:00 AM

Sunny

49° 💧 None 💨 6 mph H 82%30.39 inHg

2:00 PM

Sunny

67° 💧 None 💨 8 mph H 55%30.36 inHg

8:00 PM

Clear night

58° 💧 None 💨 6 mph H 70%30.36 inHg

Friday

2:00 AM

Clear night

49° 💧 None 💨 4 mph H 82%30.39 inHg

8:00 AM

Sunny

49° 💧 None 💨 3 mph H 80%30.42 inHg

2:00 PM

Sunny

69° 💧 None 💨 4 mph H 49%30.36 inHg

8:00 PM

Clear night

59° 💧 None 💨 6 mph H 70%30.33 inHg

Saturday

2:00 AM

Clear night

52° 💧 None 💨 2 mph H 74%30.30 inHg

8:00 AM

Sunny

49° 💧 None 💨 1 mph H 85%30.33 inHg

2:00 PM

Sunny

70° 💧 None 💨 3 mph H 57%30.27 inHg

8:00 PM

Mostly clear night

60° 💧 None 💨 1 mph H 86%30.18 inHg

Sunday

2:00 AM

Mostly cloudy night

51° 💧 None 💨 3 mph H 94%30.12 inHg

8:00 AM

Mostly cloudy

53° 💧 None 💨 4 mph H 86%30.06 inHg

2:00 PM

Overcast

75° 💧 None 💨 10 mph H 50%29.97 inHg

8:00 PM

Light rain

65° 💧 None 💨 5 mph H 95%29.94 inHg

Monday

2:00 AM

Overcast night

64° 💧 None 💨 10 mph H 82%29.88 inHg

8:00 AM

Overcast

62° 💧 None 💨 11 mph H 96%29.85 inHg

In Mount Pleasant and, more broadly, across the state of Pennsylvania: The late afternoon will see a mix of sun and clouds with mild to warm temperatures ranging from 70 to 79 degrees Fahrenheit. Winds will be light, coming from the northwest at up to 7 mph, with occasional gusts reaching 12 mph. No precipitation is expected as evening approaches, and the weather will remain generally stable. Humidity levels will stay comfortable, making for a pleasant evening. Temperatures are likely to slowly taper off as night falls, with clear or partly cloudy skies continuing. Overall, the weather remains mild and quiet into the night.

15-Day Weather Outlook for Mount Pleasant

TomorrowTomorrow

Thunderstorms 68°/59° 💧 None 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 79°/52° 💧 None 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 84°/61° 💧 0.213 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Light rain 85°/70° 💧 0.026 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Light rain 76°/69° 💧 0.427 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 78°/59° 💧 None 💨 5 mph

Sunday, Sep 20Sun Sep 20

Heavy rain 78°/63° 💧 0.963 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Light rain 84°/66° 💧 0.692 in 💨 7 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 82°/68° 💧 0.144 in 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Light rain 71°/60° 💧 0.526 in 💨 8 mph

Thursday, Sep 24Thu Sep 24

Sunny 67°/49° 💧 None 💨 8 mph

Friday, Sep 25Fri Sep 25

Sunny 69°/49° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Sunny 70°/49° 💧 None 💨 6 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 75°/51° 💧 None 💨 10 mph

Monday, Sep 28Mon Sep 28

Light rain 65°/62° 💧 0.204 in 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mount Pleasant

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Mount Pleasant

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 3,5µg/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 3,5µg/m³

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

O₃ Ozone Fair 69,8µg/m³

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

NO₂ Nitrogen dioxide Good 0,9µg/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 Mount Pleasant

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 5,1Moderate 🙂Fair

Tomorrow UV 6,1High 🙂Fair

Tuesday UV 6,4High 🙂Fair

Wednesday UV 6,8High 🙂Fair

Thursday UV 5,0Moderate 🙂Fair

Friday UV 6,0High —Unavailable

Saturday UV 7,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,3 6:00 PMUV 0,6 7:00 PMUV 0,1

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Mount Pleasant

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MOUNT PLEASANT, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

80/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 9:03 PM–5:26 AM

☁ Cloud cover 13% Real hourly forecast for the best viewing hour.

☾ Moonlight 6% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 16° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min30%

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 Mount Pleasant were last refreshed today at 4:15 PM. The current forecast period extends through 15/09/2026 at 2:00 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.