What is the weather in Jefferson right now?

Current weather in Jefferson is overcast clouds.

Where can I find the hourly weather forecast for Jefferson?

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

Is the weather forecast for Jefferson updated regularly?

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

Now · 1:23 AM

Jefferson Weather & Hourly Forecast

United States · Pennsylvania · 15344

64°F

Overcast night

Feels like: 63°F

💧 Humidity 53% 🌡 Pressure 30.18 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 97% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:46 AM 🌇 Sunset 7:55 PM

Hourly Forecast for Jefferson

Today

2:00 AM

Overcast night

64° 💧 None 💨 3 mph H 53%30.18 inHg

5:00 AM

Overcast night

65° 💧 None 💨 2 mph H 80%30.15 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 5 mph H 85%30.15 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 8 mph H 60%30.12 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 10 mph H 43%30.09 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 9 mph H 46%30.03 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 3 mph H 72%30.06 inHg

11:00 PM

Overcast night

76° 💧 None 💨 1 mph H 75%30.09 inHg

Tomorrow

2:00 AM

Overcast night

73° 💧 None 💨 4 mph H 76%30.06 inHg

5:00 AM

Overcast night

73° 💧 None 💨 4 mph H 81%30.06 inHg

8:00 AM

Overcast

71° 💧 None 💨 4 mph H 81%30.12 inHg

11:00 AM

Overcast

73° 💧 None 💨 5 mph H 76%30.12 inHg

2:00 PM

Overcast

82° 💧 None 💨 2 mph H 53%30.09 inHg

5:00 PM

Overcast

85° 💧 None 💨 5 mph H 54%30.06 inHg

8:00 PM

Overcast night

76° 💧 None 💨 2 mph H 75%30.03 inHg

11:00 PM

Overcast night

75° 💧 None 💨 4 mph H 79%30.03 inHg

Today

2:00 AM

Overcast night

64° 💧 None 💨 3 mph H 53%30.18 inHg

3:00 AM

Overcast night

64° 💧 None 💨 4 mph H 62%30.18 inHg

4:00 AM

Overcast night

64° 💧 None 💨 4 mph H 70%30.15 inHg

5:00 AM

Overcast night

65° 💧 None 💨 2 mph H 80%30.15 inHg

6:00 AM

Mostly cloudy night

64° 💧 None 💨 4 mph H 89%30.15 inHg

7:00 AM

Mostly cloudy

64° 💧 None 💨 3 mph H 91%30.15 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 5 mph H 85%30.15 inHg

9:00 AM

Sunny

70° 💧 None 💨 7 mph H 74%30.15 inHg

10:00 AM

Mostly sunny

77° 💧 None 💨 8 mph H 67%30.12 inHg

11:00 AM

Mostly sunny

80° 💧 None 💨 8 mph H 60%30.12 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 8 mph H 51%30.12 inHg

1:00 PM

Partly cloudy

84° 💧 None 💨 9 mph H 45%30.09 inHg

2:00 PM

Mostly cloudy

84° 💧 None 💨 10 mph H 43%30.09 inHg

3:00 PM

Mostly cloudy

85° 💧 None 💨 10 mph H 40%30.06 inHg

4:00 PM

Partly cloudy

86° 💧 None 💨 10 mph H 40%30.06 inHg

5:00 PM

Partly cloudy

86° 💧 None 💨 9 mph H 46%30.03 inHg

6:00 PM

Mostly cloudy

84° 💧 None 💨 6 mph H 58%30.03 inHg

7:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 69%30.06 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 3 mph H 72%30.06 inHg

9:00 PM

Overcast night

76° 💧 None 💨 2 mph H 73%30.09 inHg

10:00 PM

Overcast night

75° 💧 None 💨 2 mph H 77%30.09 inHg

11:00 PM

Overcast night

76° 💧 None 💨 1 mph H 75%30.09 inHg

Tomorrow

12:00 AM

Overcast night

75° 💧 None 💨 0 mph H 76%30.09 inHg

1:00 AM

Overcast night

74° 💧 None 💨 2 mph H 80%30.09 inHg

2:00 AM

Overcast night

73° 💧 None 💨 4 mph H 76%30.06 inHg

3:00 AM

Overcast night

73° 💧 None 💨 3 mph H 77%30.06 inHg

4:00 AM

Overcast night

73° 💧 None 💨 4 mph H 77%30.06 inHg

5:00 AM

Overcast night

73° 💧 None 💨 4 mph H 81%30.06 inHg

6:00 AM

Overcast night

72° 💧 None 💨 3 mph H 80%30.06 inHg

7:00 AM

Overcast

72° 💧 None 💨 4 mph H 78%30.09 inHg

8:00 AM

Overcast

71° 💧 None 💨 4 mph H 81%30.12 inHg

9:00 AM

Overcast

69° 💧 None 💨 3 mph H 80%30.12 inHg

10:00 AM

Overcast

72° 💧 None 💨 5 mph H 72%30.12 inHg

11:00 AM

Overcast

73° 💧 None 💨 5 mph H 76%30.12 inHg

12:00 PM

Overcast

72° 💧 None 💨 4 mph H 76%30.15 inHg

1:00 PM

Overcast

78° 💧 None 💨 3 mph H 69%30.12 inHg

2:00 PM

Overcast

82° 💧 None 💨 2 mph H 53%30.09 inHg

3:00 PM

Overcast

84° 💧 None 💨 5 mph H 57%30.06 inHg

4:00 PM

Overcast

86° 💧 None 💨 9 mph H 51%30.06 inHg

5:00 PM

Overcast

85° 💧 None 💨 5 mph H 54%30.06 inHg

6:00 PM

Overcast

84° 💧 None 💨 1 mph H 67%30.03 inHg

7:00 PM

Overcast

80° 💧 None 💨 0 mph H 73%30.03 inHg

8:00 PM

Overcast night

76° 💧 None 💨 2 mph H 75%30.03 inHg

9:00 PM

Overcast night

75° 💧 None 💨 4 mph H 76%30.03 inHg

10:00 PM

Overcast night

75° 💧 None 💨 4 mph H 77%30.03 inHg

11:00 PM

Overcast night

75° 💧 None 💨 4 mph H 79%30.03 inHg

Tuesday

12:00 AM

Overcast night

75° 💧 None 💨 3 mph H 78%30.03 inHg

1:00 AM

Overcast night

75° 💧 None 💨 4 mph H 77%30.03 inHg

2:00 AM

Light rain

74° 💧 0.01 in 💨 5 mph H 78%30.03 inHg

3:00 AM

Overcast night

71° 💧 None 💨 4 mph H 81%30.03 inHg

4:00 AM

Overcast night

72° 💧 None 💨 5 mph H 79%30.03 inHg

5:00 AM

Overcast night

70° 💧 None 💨 6 mph H 84%30.03 inHg

6:00 AM

Overcast night

71° 💧 None 💨 6 mph H 83%30.03 inHg

7:00 AM

Light rain

70° 💧 0.00 in 💨 7 mph H 85%30.03 inHg

8:00 AM

Overcast

71° 💧 None 💨 7 mph H 88%30.06 inHg

9:00 AM

Light rain

74° 💧 0.01 in 💨 6 mph H 83%30.09 inHg

10:00 AM

Overcast

74° 💧 None 💨 6 mph H 83%30.09 inHg

11:00 AM

Overcast

82° 💧 None 💨 8 mph H 61%30.06 inHg

12:00 PM

Overcast

86° 💧 None 💨 10 mph H 52%30.06 inHg

1:00 PM

Overcast

87° 💧 None 💨 11 mph H 51%30.03 inHg

2:00 PM

Overcast

89° 💧 None 💨 11 mph H 48%30.03 inHg

3:00 PM

Overcast

87° 💧 None 💨 10 mph H 52%30.00 inHg

4:00 PM

Overcast

88° 💧 None 💨 10 mph H 52%30.00 inHg

5:00 PM

Mostly cloudy

89° 💧 None 💨 8 mph H 51%29.97 inHg

6:00 PM

Mostly cloudy

87° 💧 None 💨 8 mph H 56%29.97 inHg

7:00 PM

Mostly cloudy

82° 💧 None 💨 6 mph H 69%29.97 inHg

8:00 PM

Mostly cloudy night

78° 💧 None 💨 6 mph H 76%30.00 inHg

9:00 PM

Clear night

76° 💧 None 💨 5 mph H 78%30.00 inHg

10:00 PM

Clear night

75° 💧 None 💨 5 mph H 80%30.00 inHg

11:00 PM

Clear night

74° 💧 None 💨 4 mph H 83%30.00 inHg

Wednesday

12:00 AM

Partly cloudy night

73° 💧 None 💨 4 mph H 85%30.03 inHg

1:00 AM

Partly cloudy night

73° 💧 None 💨 5 mph H 85%30.03 inHg

2:00 AM

Partly cloudy night

73° 💧 None 💨 6 mph H 84%30.03 inHg

3:00 AM

Overcast night

72° 💧 None 💨 6 mph H 83%30.00 inHg

4:00 AM

Overcast night

73° 💧 None 💨 8 mph H 81%30.00 inHg

5:00 AM

Overcast night

73° 💧 None 💨 8 mph H 80%30.00 inHg

6:00 AM

Overcast night

72° 💧 None 💨 7 mph H 83%30.03 inHg

7:00 AM

Overcast

71° 💧 None 💨 6 mph H 87%30.03 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 5 mph H 86%30.06 inHg

9:00 AM

Mostly cloudy

77° 💧 None 💨 7 mph H 76%30.06 inHg

10:00 AM

Mostly cloudy

82° 💧 None 💨 8 mph H 65%30.06 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 7 mph H 57%30.06 inHg

12:00 PM

Mostly cloudy

89° 💧 None 💨 9 mph H 51%30.06 inHg

1:00 PM

Mostly cloudy

92° 💧 None 💨 10 mph H 46%30.03 inHg

2:00 PM

Partly cloudy

94° 💧 None 💨 10 mph H 42%30.00 inHg

3:00 PM

Sunny

95° 💧 None 💨 10 mph H 39%29.97 inHg

4:00 PM

Sunny

96° 💧 None 💨 10 mph H 39%29.94 inHg

5:00 PM

Sunny

95° 💧 None 💨 9 mph H 42%29.94 inHg

6:00 PM

Sunny

92° 💧 None 💨 7 mph H 50%29.94 inHg

7:00 PM

Sunny

86° 💧 None 💨 5 mph H 65%29.94 inHg

8:00 PM

Clear night

81° 💧 None 💨 5 mph H 70%29.97 inHg

9:00 PM

Clear night

80° 💧 None 💨 5 mph H 73%29.97 inHg

10:00 PM

Clear night

78° 💧 None 💨 5 mph H 74%29.97 inHg

11:00 PM

Clear night

77° 💧 None 💨 5 mph H 75%29.97 inHg

Thursday

12:00 AM

Clear night

76° 💧 None 💨 5 mph H 77%29.97 inHg

1:00 AM

Clear night

76° 💧 None 💨 5 mph H 79%29.97 inHg

In Jefferson and, more broadly, across the state of Pennsylvania: The evening will be mostly sunny with a few clouds drifting through the sky. Temperatures will be mild to warm, hovering between 71 and 75 degrees Fahrenheit. Light southeast winds will blow at around 3 mph, with occasional gusts up to 3 mph. No precipitation is expected during this time, making for a pleasant evening outdoors. The gentle breezes and clear skies should make for comfortable conditions as the night progresses.

15-Day Weather Outlook for Jefferson

TomorrowTomorrow

Overcast 86°/69° 💧 None 💨 9 mph

Tuesday, Sep 1Tue Sep 1

Light rain 89°/70° 💧 0.02 in 💨 11 mph

Wednesday, Sep 2Wed Sep 2

Partly cloudy 95°/72° 💧 None 💨 10 mph

Thursday, Sep 3Thu Sep 3

Light rain 92°/70° 💧 0.22 in 💨 9 mph

Friday, Sep 4Fri Sep 4

Moderate rain 84°/68° 💧 0.27 in 💨 6 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 79°/67° 💧 0.68 in 💨 5 mph

Sunday, Sep 6Sun Sep 6

Light rain 80°/65° 💧 0.19 in 💨 2 mph

Monday, Sep 7Mon Sep 7

Light rain 75°/54° 💧 0.02 in 💨 8 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 81°/50° 💧 None 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 86°/58° 💧 None 💨 11 mph

Thursday, Sep 10Thu Sep 10

Light rain 77°/63° 💧 0.11 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Overcast 62°/49° 💧 None 💨 12 mph

Saturday, Sep 12Sat Sep 12

Sunny 66°/45° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 68°/48° 💧 0.17 in 💨 12 mph

Monday, Sep 14Mon Sep 14

Light rain 80°/64° 💧 0.05 in 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Jefferson

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Jefferson

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 2:00 AM

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

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

O₃ Ozone Good 53,2µg/m³

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

NO₂ Nitrogen dioxide Good 1,6µg/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 Jefferson

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 7,8High 😊Good

Tomorrow UV 4,9Moderate 😐Moderate

Tuesday UV 5,9Moderate 😐Moderate

Wednesday UV 8,1Very high 😐Moderate

Thursday UV 7,0High 😊Good

Friday UV 6,0High —Unavailable

Saturday UV 5,0Moderate —Unavailable

Hourly UV index today

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

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 Jefferson

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.47 Population: 301

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Summerhill AU · Tasmania · 3,139 residents North Somercotes GB · England · 1,485 residents Lunenburg CA · Nova Scotia · 25,545 residents Southern Cross (Qld) AU · Queensland · 575 residents Collinsville US · Connecticut · 3,963 residents Upton Snodsbury GB · England · 390 residents South Heath GB · England · 1,280 residents Severn CA · Ontario · 14,576 residents Coffeeville US · Mississippi · 785 residents Cannon Falls US · Minnesota · 4,227 residents Highlands Ranch US · Colorado · 102,257 residents Nashville-Davidson US · Tennessee · 690,130 residents Linn Valley US · Kansas · 962 residents Kilham GB · England · 940 residents Albemarle US · North Carolina · 16,762 residents Fair Oaks US · Virginia · 35,545 residents

Forecast data for Jefferson were last refreshed today at 1:23 AM. The current forecast period extends through 31/08/2026 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.