Live Weather & Forecast
Weather in Greencastle
Indiana, United States · Real-time conditions & 3-day outlook
20°C
Feels like 20°C
68°F / Feels 68°F
Light rain
Greencastle, Indiana
🌙 Nighttime
Updated: 2026-04-16 02:45
Humidity
81%
Wind
27.4 km/h SW
Wind Gust
46.7 km/h
Pressure
1012 mb
Visibility
13 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
16°C
Wind Degree
217°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
4.8 μg/m³
O₃
77 μg/m³
SO₂
4.2 μg/m³
PM 2.5
6.3 μg/m³
PM 10
6.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Greencastle, Indiana
12 AM
20°
Clear
1 AM
20°
Clear
2 AM
20°
Light rain
3 AM
19°
Clear
4 AM
18°
Clear
5 AM
18°
Clear
6 AM
17°
Clear
7 AM
17°
Patchy rain nearby
8 AM
17°
Patchy rain nearby
9 AM
17°
Patchy rain nearby
10 AM
18°
Sunny
11 AM
19°
Patchy rain nearby
12 PM
19°
Sunny
1 PM
21°
Partly Cloudy
2 PM
23°
Partly Cloudy
3 PM
24°
Sunny
4 PM
25°
Sunny
5 PM
26°
Sunny
6 PM
26°
Sunny
7 PM
23°
Sunny
8 PM
21°
Sunny
9 PM
20°
Clear
10 PM
19°
Clear
11 PM
18°
Clear
3-Day Forecast
Daily overview for Greencastle, Indiana
Today
Patchy rain nearby
27°
/
17°
🌧️ 84% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 0.44 mm
☀️ UV Index: 1.6
🌅 Sunrise: 07:09 AM
🌇 Sunset: 08:26 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
27°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0.09 mm
☀️ UV Index: 1.8
🌅 Sunrise: 07:07 AM
🌇 Sunset: 08:27 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Heavy rain
19°
/
7°
🌧️ 82% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 40.48 mm
☀️ UV Index: 0.6
🌅 Sunrise: 07:06 AM
🌇 Sunset: 08:28 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Greencastle
Plan your trip to Greencastle, 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 Greencastle?
Current conditions in Greencastle: Light rain, temperature 20°C, humidity 81%.
What is the best time to visit Greencastle?
The best time to visit Greencastle is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Greencastle?
Greencastle is located at approximately 39.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Greencastle?
The wettest period in Greencastle is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Greencastle?
For visits to Greencastle during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Greencastle in?
Greencastle is located in United States, in the state of Indiana.
What are the public holidays in Greencastle in 2026?
View the 2026 public holidays for Greencastle on our Holidays page.
What are the GPS coordinates used for the weather forecast in Greencastle?
The weather forecast for Greencastle uses coordinates 39.6445, -86.8647.