Live Weather & Forecast
Weather in Chambersburg
Pennsylvania, United States · Real-time conditions & 3-day outlook
16°C
Feels like 16°C
61°F / Feels 61°F
Clear
Chambersburg, Pennsylvania
🌙 Nighttime
Updated: 2026-04-13 04:45
Humidity
70%
Wind
10.4 km/h S
Wind Gust
21.9 km/h
Pressure
1020 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
10.5°C
Wind Degree
173°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
181.9 μg/m³
NO₂
4.8 μg/m³
O₃
100 μg/m³
SO₂
4.4 μg/m³
PM 2.5
6 μg/m³
PM 10
6.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Chambersburg, Pennsylvania
12 AM
15°
Clear
1 AM
14°
Clear
2 AM
14°
Clear
3 AM
15°
Clear
4 AM
16°
Clear
5 AM
16°
Clear
6 AM
16°
Clear
7 AM
17°
Sunny
8 AM
19°
Sunny
9 AM
21°
Sunny
10 AM
24°
Sunny
11 AM
24°
Sunny
12 PM
25°
Patchy rain nearby
1 PM
26°
Patchy rain nearby
2 PM
26°
Sunny
3 PM
26°
Partly Cloudy
4 PM
26°
Sunny
5 PM
26°
Sunny
6 PM
24°
Overcast
7 PM
21°
Cloudy
8 PM
20°
Partly Cloudy
9 PM
18°
Partly Cloudy
10 PM
16°
Clear
11 PM
15°
Clear
3-Day Forecast
Daily overview for Chambersburg, Pennsylvania
Today
Patchy rain nearby
27°
/
13°
🌧️ 75% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 0.25 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:35 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
27°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 22 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:48 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
31°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:49 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Chambersburg
Plan your trip to Chambersburg, 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 Chambersburg?
Current conditions in Chambersburg: Clear, temperature 16°C, humidity 70%.
What is the best time to visit Chambersburg?
The best time to visit Chambersburg is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Chambersburg?
Chambersburg is located at approximately 39.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Chambersburg?
The wettest period in Chambersburg is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Chambersburg?
For visits to Chambersburg during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Chambersburg in?
Chambersburg is located in United States, in the state of Pennsylvania.
What are the public holidays in Chambersburg in 2026?
View the 2026 public holidays for Chambersburg on our Holidays page.
What are the GPS coordinates used for the weather forecast in Chambersburg?
The weather forecast for Chambersburg uses coordinates 39.9375, -77.6613.