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Current weather in McKnightstown is few clouds.

Where can I find the hourly weather forecast for McKnightstown?

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

Is the weather forecast for McKnightstown updated regularly?

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

Now · 9:07 PM

McKnightstown Weather & Hourly Forecast

United States · Pennsylvania · 17307

67°F

Mostly clear night

Feels like: 64°F

💧 Humidity 53% 🌡 Pressure 30.21 inHg 💨 Wind 3 mph 👁 Visibility 25.8 mi ☁ Clouds 20% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for McKnightstown

Today

10:00 PM

Mostly cloudy night

66° 💧 None 💨 3 mph H 51%30.21 inHg

Tomorrow

1:00 AM

Partly cloudy night

64° 💧 None 💨 1 mph H 51%30.24 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 0 mph H 55%30.24 inHg

7:00 AM

Mostly sunny

63° 💧 None 💨 1 mph H 55%30.27 inHg

10:00 AM

Sunny

75° 💧 None 💨 4 mph H 42%30.27 inHg

1:00 PM

Sunny

82° 💧 None 💨 4 mph H 39%30.24 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 7 mph H 36%30.18 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 45%30.18 inHg

10:00 PM

Overcast night

74° 💧 None 💨 4 mph H 57%30.21 inHg

Wednesday

1:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 70%30.21 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 70%30.18 inHg

7:00 AM

Partly cloudy

66° 💧 None 💨 6 mph H 66%30.21 inHg

10:00 AM

Mostly cloudy

78° 💧 0.001 in 💨 8 mph H 46%30.18 inHg

1:00 PM

Mostly sunny

85° 💧 0.002 in 💨 8 mph H 38%30.15 inHg

4:00 PM

Mostly sunny

89° 💧 0.002 in 💨 11 mph H 37%30.03 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 45%30.00 inHg

Today

10:00 PM

Mostly cloudy night

66° 💧 None 💨 3 mph H 51%30.21 inHg

11:00 PM

Clear night

66° 💧 None 💨 1 mph H 50%30.24 inHg

Tomorrow

12:00 AM

Clear night

65° 💧 None 💨 2 mph H 49%30.24 inHg

1:00 AM

Partly cloudy night

64° 💧 None 💨 1 mph H 51%30.24 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 1 mph H 53%30.24 inHg

3:00 AM

Overcast night

63° 💧 None 💨 0 mph H 53%30.24 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 0 mph H 55%30.24 inHg

5:00 AM

Mostly cloudy night

63° 💧 None 💨 0 mph H 54%30.24 inHg

6:00 AM

Mostly clear night

62° 💧 None 💨 1 mph H 54%30.24 inHg

7:00 AM

Mostly sunny

63° 💧 None 💨 1 mph H 55%30.27 inHg

8:00 AM

Partly cloudy

68° 💧 None 💨 2 mph H 49%30.27 inHg

9:00 AM

Sunny

72° 💧 None 💨 2 mph H 45%30.27 inHg

10:00 AM

Sunny

75° 💧 None 💨 4 mph H 42%30.27 inHg

11:00 AM

Mostly sunny

78° 💧 None 💨 4 mph H 40%30.27 inHg

12:00 PM

Sunny

80° 💧 None 💨 4 mph H 40%30.24 inHg

1:00 PM

Sunny

82° 💧 None 💨 4 mph H 39%30.24 inHg

2:00 PM

Mostly cloudy

85° 💧 None 💨 4 mph H 33%30.21 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 34%30.21 inHg

4:00 PM

Partly cloudy

85° 💧 None 💨 7 mph H 36%30.18 inHg

5:00 PM

Partly cloudy

83° 💧 None 💨 6 mph H 39%30.18 inHg

6:00 PM

Overcast

83° 💧 None 💨 3 mph H 39%30.18 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 5 mph H 45%30.18 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 6 mph H 57%30.21 inHg

9:00 PM

Mostly cloudy night

74° 💧 None 💨 4 mph H 57%30.21 inHg

10:00 PM

Overcast night

74° 💧 None 💨 4 mph H 57%30.21 inHg

11:00 PM

Overcast night

72° 💧 None 💨 4 mph H 62%30.21 inHg

Wednesday

12:00 AM

Mostly cloudy night

70° 💧 None 💨 4 mph H 68%30.21 inHg

1:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 70%30.21 inHg

2:00 AM

Mostly cloudy night

68° 💧 None 💨 6 mph H 70%30.21 inHg

3:00 AM

Mostly clear night

67° 💧 None 💨 5 mph H 70%30.21 inHg

4:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 70%30.18 inHg

5:00 AM

Mostly cloudy night

66° 💧 None 💨 5 mph H 68%30.18 inHg

6:00 AM

Mostly cloudy night

66° 💧 None 💨 6 mph H 67%30.18 inHg

7:00 AM

Partly cloudy

66° 💧 None 💨 6 mph H 66%30.21 inHg

8:00 AM

Mostly cloudy

70° 💧 None 💨 7 mph H 59%30.21 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 7 mph H 51%30.18 inHg

10:00 AM

Mostly cloudy

78° 💧 None 💨 8 mph H 46%30.18 inHg

11:00 AM

Mostly cloudy

81° 💧 0.001 in 💨 8 mph H 43%30.18 inHg

12:00 PM

Overcast

84° 💧 None 💨 7 mph H 39%30.18 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 8 mph H 38%30.15 inHg

2:00 PM

Partly cloudy

88° 💧 None 💨 9 mph H 36%30.09 inHg

3:00 PM

Mostly cloudy

89° 💧 0.002 in 💨 11 mph H 37%30.06 inHg

4:00 PM

Mostly sunny

89° 💧 0.002 in 💨 11 mph H 37%30.03 inHg

5:00 PM

Mostly sunny

89° 💧 None 💨 10 mph H 37%30.03 inHg

6:00 PM

Mostly sunny

87° 💧 None 💨 10 mph H 39%30.00 inHg

7:00 PM

Mostly sunny

84° 💧 None 💨 8 mph H 45%30.00 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 8 mph H 51%30.00 inHg

9:00 PM

Mostly clear night

79° 💧 None 💨 7 mph H 52%30.00 inHg

10:00 PM

Clear night

77° 💧 None 💨 8 mph H 51%30.03 inHg

11:00 PM

Clear night

76° 💧 None 💨 8 mph H 54%30.00 inHg

Thursday

12:00 AM

Clear night

74° 💧 None 💨 8 mph H 55%30.00 inHg

1:00 AM

Clear night

73° 💧 None 💨 6 mph H 58%29.97 inHg

2:00 AM

Clear night

72° 💧 None 💨 6 mph H 59%29.97 inHg

3:00 AM

Clear night

72° 💧 None 💨 6 mph H 58%29.94 inHg

4:00 AM

Clear night

71° 💧 None 💨 6 mph H 58%29.94 inHg

5:00 AM

Clear night

72° 💧 None 💨 6 mph H 58%29.94 inHg

6:00 AM

Mostly clear night

72° 💧 None 💨 6 mph H 60%29.94 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 6 mph H 64%29.97 inHg

8:00 AM

Overcast

74° 💧 0.003 in 💨 7 mph H 65%29.97 inHg

5:00 PM

Light rain

75° 💧 None 💨 5 mph H 94%29.85 inHg

8:00 PM

Heavy rain

73° 💧 None 💨 6 mph H 94%29.85 inHg

11:00 PM

Overcast night

71° 💧 None 💨 3 mph H 96%29.85 inHg

Friday

2:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 95%29.88 inHg

5:00 AM

Partly cloudy night

65° 💧 None 💨 7 mph H 93%29.91 inHg

8:00 AM

Partly cloudy

66° 💧 None 💨 7 mph H 92%30.00 inHg

11:00 AM

Sunny

73° 💧 None 💨 8 mph H 67%30.03 inHg

2:00 PM

Sunny

77° 💧 None 💨 6 mph H 49%30.00 inHg

5:00 PM

Sunny

77° 💧 None 💨 5 mph H 47%29.97 inHg

8:00 PM

Clear night

68° 💧 None 💨 2 mph H 68%30.00 inHg

11:00 PM

Clear night

64° 💧 None 💨 1 mph H 76%30.06 inHg

Saturday

2:00 AM

Clear night

60° 💧 None 💨 0 mph H 84%30.09 inHg

5:00 AM

Clear night

58° 💧 None 💨 1 mph H 87%30.09 inHg

8:00 AM

Sunny

60° 💧 None 💨 3 mph H 85%30.15 inHg

11:00 AM

Sunny

73° 💧 None 💨 4 mph H 59%30.15 inHg

2:00 PM

Sunny

80° 💧 None 💨 7 mph H 49%30.12 inHg

5:00 PM

Sunny

81° 💧 None 💨 6 mph H 51%30.06 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 6 mph H 63%30.09 inHg

11:00 PM

Mostly clear night

71° 💧 None 💨 5 mph H 76%30.12 inHg

Sunday

2:00 AM

Partly cloudy night

70° 💧 None 💨 7 mph H 80%30.15 inHg

5:00 AM

Light rain

68° 💧 None 💨 5 mph H 91%30.12 inHg

8:00 AM

Partly cloudy

69° 💧 None 💨 6 mph H 97%30.15 inHg

11:00 AM

Light rain

76° 💧 None 💨 6 mph H 85%30.15 inHg

2:00 PM

Light rain

81° 💧 None 💨 8 mph H 75%30.09 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 4 mph H 77%30.12 inHg

Monday

2:00 AM

Partly cloudy night

75° 💧 None 💨 3 mph H 84%30.09 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 1 mph H 96%30.15 inHg

2:00 PM

Overcast

68° 💧 None 💨 2 mph H 99%30.18 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 6 mph H 68%30.15 inHg

Tuesday

2:00 AM

Partly cloudy night

77° 💧 None 💨 6 mph H 80%30.12 inHg

8:00 AM

Overcast

74° 💧 None 💨 8 mph H 93%30.15 inHg

2:00 PM

Overcast

74° 💧 None 💨 8 mph H 93%30.18 inHg

8:00 PM

Mostly cloudy night

84° 💧 None 💨 10 mph H 69%30.12 inHg

Wednesday

2:00 AM

Light rain

79° 💧 None 💨 5 mph H 77%30.09 inHg

8:00 AM

Mostly sunny

72° 💧 None 💨 5 mph H 97%30.12 inHg

2:00 PM

Overcast

72° 💧 None 💨 1 mph H 98%30.15 inHg

8:00 PM

Moderate rain

71° 💧 None 💨 12 mph H 95%30.15 inHg

Thursday

2:00 AM

Overcast night

68° 💧 None 💨 7 mph H 93%30.15 inHg

8:00 AM

Sunny

60° 💧 None 💨 10 mph H 80%30.24 inHg

2:00 PM

Sunny

59° 💧 None 💨 9 mph H 80%30.30 inHg

8:00 PM

Clear night

73° 💧 None 💨 8 mph H 52%30.30 inHg

Friday

2:00 AM

Clear night

64° 💧 None 💨 4 mph H 72%30.24 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 1 mph H 85%30.21 inHg

2:00 PM

Overcast

56° 💧 None 💨 1 mph H 88%30.21 inHg

8:00 PM

Mostly cloudy night

76° 💧 None 💨 7 mph H 56%30.09 inHg

Saturday

2:00 AM

Partly cloudy night

68° 💧 None 💨 3 mph H 85%30.00 inHg

8:00 AM

Partly cloudy

65° 💧 None 💨 2 mph H 88%29.97 inHg

2:00 PM

Overcast

64° 💧 None 💨 3 mph H 83%29.97 inHg

8:00 PM

Light rain

71° 💧 None 💨 6 mph H 74%29.97 inHg

Sunday

2:00 AM

Mostly clear night

65° 💧 None 💨 2 mph H 90%29.97 inHg

8:00 AM

Mostly sunny

60° 💧 None 💨 6 mph H 79%30.03 inHg

2:00 PM

Partly cloudy

58° 💧 None 💨 6 mph H 71%30.06 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 1 mph H 61%30.03 inHg

Monday

2:00 AM

Clear night

66° 💧 None 💨 1 mph H 79%30.00 inHg

8:00 AM

Light rain

61° 💧 None 💨 2 mph H 91%30.03 inHg

2:00 PM

Partly cloudy

61° 💧 None 💨 1 mph H 96%30.06 inHg

8:00 PM

Partly cloudy night

77° 💧 None 💨 4 mph H 44%30.06 inHg

Tuesday

2:00 AM

Partly cloudy night

68° 💧 None 💨 5 mph H 59%30.09 inHg

8:00 AM

Partly cloudy

60° 💧 None 💨 6 mph H 80%30.15 inHg

2:00 PM

Overcast

61° 💧 None 💨 5 mph H 76%30.18 inHg

In McKnightstown and, more broadly, across the state of Pennsylvania: Clear skies continue into the evening, with temperatures remaining mild, ranging from 66 to 73 degrees Fahrenheit. Winds will be light, coming from the northeast at up to 2 mph, with gusts reaching 2 mph. No precipitation is expected during the upcoming hours, so conditions will be dry and comfortable. It should be a calm and clear evening, making it suitable for outdoor activities. Temperatures will gradually stay within the mild range as the night progresses.

15-Day Weather Outlook for McKnightstown

Wednesday, Sep 9Wed Sep 9

Mostly sunny 89°/66° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Light rain 80°/71° 💧 0.407 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Heavy rain 77°/65° 💧 0.236 in 💨 8 mph

Saturday, Sep 12Sat Sep 12

Sunny 81°/58° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light rain 81°/68° 💧 0.180 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 79°/68° 💧 0.000 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Overcast 82°/74° 💧 0.041 in 💨 8 mph

Wednesday, Sep 16Wed Sep 16

Light rain 84°/72° 💧 0.077 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Moderate rain 71°/59° 💧 0.598 in 💨 12 mph

Friday, Sep 18Fri Sep 18

Partly cloudy 73°/56° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly cloudy 76°/64° 💧 None 💨 7 mph

Sunday, Sep 20Sun Sep 20

Light rain 71°/58° 💧 0.038 in 💨 6 mph

Monday, Sep 21Mon Sep 21

Light rain 69°/61° 💧 0.016 in 💨 2 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 77°/60° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in McKnightstown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for McKnightstown

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 10:00 PM

PM2.5 Fine particles Good 4,7µg/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 6,0µg/m³

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

O₃ Ozone Good 28,3µg/m³

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

NO₂ Nitrogen dioxide Good 10,0µg/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 McKnightstown

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 6,9High 🙂Fair

Wednesday UV 7,5High 😐Moderate

Thursday UV 3,6Moderate 🙂Fair

Friday UV 6,5High 🙂Fair

Saturday UV 6,0High —Unavailable

Sunday UV 7,0High —Unavailable

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 McKnightstown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MCKNIGHTSTOWN, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:04 PM–5:10 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 15% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 32° 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 min59%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for McKnightstown were last refreshed today at 9:07 PM. The current forecast period extends through 09/09/2026 at 7:00 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.