Live Weather & Forecast
Weather in Jefferson
Pennsylvania, United States · Real-time conditions & 3-day outlook
22°C
Feels like 25°C
72°F / Feels 76°F
Clear
Jefferson, Pennsylvania
🌙 Nighttime
Updated: 2026-04-13 05:15
Humidity
87%
Wind
10.4 km/h SSE
Wind Gust
18.5 km/h
Pressure
1019 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
19.4°C
Wind Degree
156°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
126.9 μg/m³
NO₂
2.9 μg/m³
O₃
96 μg/m³
SO₂
1.8 μg/m³
PM 2.5
8.7 μg/m³
PM 10
12.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Jefferson, Pennsylvania
12 AM
22°
Patchy rain nearby
1 AM
23°
Clear
2 AM
22°
Clear
3 AM
22°
Clear
4 AM
22°
Clear
5 AM
22°
Clear
6 AM
22°
Clear
7 AM
22°
Sunny
8 AM
23°
Sunny
9 AM
25°
Sunny
10 AM
26°
Partly Cloudy
11 AM
27°
Partly Cloudy
12 PM
28°
Partly Cloudy
1 PM
28°
Partly Cloudy
2 PM
28°
Cloudy
3 PM
28°
Partly Cloudy
4 PM
28°
Partly Cloudy
5 PM
27°
Partly Cloudy
6 PM
26°
Partly Cloudy
7 PM
24°
Sunny
8 PM
23°
Clear
9 PM
23°
Clear
10 PM
22°
Overcast
11 PM
22°
Clear
3-Day Forecast
Daily overview for Jefferson, Pennsylvania
Today
Partly Cloudy
28°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:51 AM
🌇 Sunset: 07:42 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
25°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 25.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:50 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Partly Cloudy
27°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:49 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Jefferson
Plan your trip to Jefferson, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Jefferson?
Current conditions in Jefferson: Clear, temperature 22°C, humidity 87%.
What is the best time to visit Jefferson?
The best time to visit Jefferson is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Jefferson?
Jefferson is located at approximately 29.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Jefferson?
The wettest period in Jefferson is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Jefferson?
For visits to Jefferson during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Jefferson in?
Jefferson is located in United States, in the state of Pennsylvania.
What are the public holidays in Jefferson in 2026?
View the 2026 public holidays for Jefferson on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jefferson?
The weather forecast for Jefferson uses coordinates 29.8348, -94.1704.