Live Weather & Forecast

Weather in Mechanicsburg

Pennsylvania, United States · Real-time conditions & 3-day outlook

Flag of United States
Clear
8°C
Feels like 7°C
47°F / Feels 45°F
Clear
Mechanicsburg, Pennsylvania
🌙 Nighttime
Updated: 2026-04-12 00:45
💧
Humidity
60%
💨
Wind
7.2 km/h NNE
🌬️
Wind Gust
15.1 km/h
🌡️
Pressure
1028 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
-1.6°C
🌐
Wind Degree
29°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
220.9 μg/m³
NO₂
9.2 μg/m³
O₃
55 μg/m³
SO₂
13 μg/m³
PM 2.5
8 μg/m³
PM 10
8.2 μg/m³

Weather Alerts 1

Met · Minor · Expected
Frost Advisory issued April 11 at 1:20PM EDT until April 12 at 8:00AM EDT by NWS State College PA

* WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Dauphin, Juniata, Lancaster, Lebanon, Mifflin, Montour, Northumberland, Perry, Snyder, and Union Counties. * WHEN...From 2 AM to 8 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Near-ground freezing temperatures could kill uncovered sensitive outdoor vegetation. Valley locations and sheltered areas will experience the coldest temperatures. Take steps now to protect tender plants and vegetation from the cold.

Effective: 2026-04-11T13:20:00-04:00  ·  Expires: 2026-04-12T08:00:00-04:00

Today's Hourly Forecast

24-hour breakdown for Mechanicsburg, Pennsylvania

12 AM
Clear
10°
Clear
💧 43% 💨 7.6 km/h
1 AM
Clear
8°
Clear
💧 60% 💨 7.2 km/h
2 AM
Clear
8°
Clear
💧 52% 💨 6.5 km/h
3 AM
Clear
7°
Clear
💧 54% 💨 5 km/h
4 AM
Clear
6°
Clear
💧 57% 💨 4 km/h
5 AM
Clear
6°
Clear
💧 61% 💨 2.9 km/h
6 AM
Clear
5°
Clear
💧 67% 💨 5 km/h
7 AM
Sunny
6°
Sunny
💧 71% 💨 5 km/h
8 AM
Sunny
7°
Sunny
💧 61% 💨 6.5 km/h
9 AM
Sunny
9°
Sunny
💧 57% 💨 9 km/h
10 AM
Sunny
11°
Sunny
💧 53% 💨 11.5 km/h
11 AM
Sunny
13°
Sunny
💧 48% 💨 14 km/h
12 PM
Sunny
13°
Sunny
💧 43% 💨 17.6 km/h
1 PM
Overcast
14°
Overcast
💧 56% 💨 18.4 km/h
2 PM
Partly Cloudy
15°
Partly Cloudy
💧 52% 💨 20.2 km/h
3 PM
Partly Cloudy
15°
Partly Cloudy
💧 51% 💨 21.2 km/h
4 PM
Overcast
16°
Overcast
💧 54% 💨 19.8 km/h
5 PM
Overcast
16°
Overcast
💧 57% 💨 17.3 km/h
6 PM
Cloudy
16°
Cloudy
💧 57% 💨 18.7 km/h
7 PM
Sunny
15°
Sunny
💧 60% 💨 18.4 km/h
8 PM
Clear
13°
Clear
💧 66% 💨 19.1 km/h
9 PM
Cloudy
12°
Cloudy
💧 68% 💨 17.6 km/h
10 PM
Clear
11°
Clear
💧 70% 💨 17.6 km/h
11 PM
Clear
11°
Clear
💧 74% 💨 15.5 km/h

3-Day Forecast

Daily overview for Mechanicsburg, Pennsylvania

Today
Sunny
Sunny
16° / 5°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
Patchy rain nearby
27° / 9°
🌧️ 66% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0.24 mm
☀️ UV Index: 1
🌅 Sunrise: 06:32 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
Partly Cloudy
27° / 13°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Mechanicsburg

Plan your trip to Mechanicsburg, 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.
← Back to Mechanicsburg 🗓 View Holidays 2026

Frequently Asked Questions

People also ask — answers optimized for search engines and voice queries.

What is the current weather in Mechanicsburg?
Current conditions in Mechanicsburg: Clear, temperature 8°C, humidity 60%.
What is the best time to visit Mechanicsburg?
The best time to visit Mechanicsburg is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mechanicsburg?
Mechanicsburg is located at approximately 40.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mechanicsburg?
The wettest period in Mechanicsburg is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mechanicsburg?
For visits to Mechanicsburg during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mechanicsburg in?
Mechanicsburg is located in United States, in the state of Pennsylvania.
What are the public holidays in Mechanicsburg in 2026?
View the 2026 public holidays for Mechanicsburg on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mechanicsburg?
The weather forecast for Mechanicsburg uses coordinates 40.2102, -77.0047.