What is the weather in Greencastle right now?

Current weather in Greencastle is clear sky.

Where can I find the hourly weather forecast for Greencastle?

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

Is the weather forecast for Greencastle updated regularly?

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

Now · 2:08 PM

Greencastle Weather & Hourly Forecast

United States · Indiana · 46135

90°F

Sunny

Feels like: 95°F

💧 Humidity 53% 🌡 Pressure 29.91 inHg 💨 Wind 7 mph 👁 Visibility 21.8 mi ☁ Clouds 3% ☀️ UV index 7.8 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Greencastle

Today

3:00 PM

Mostly sunny

91° 💧 0.000 in 💨 7 mph H 52%29.88 inHg

6:00 PM

Light thunderstorms

88° 💧 0.005 in 💨 9 mph H 55%29.85 inHg

9:00 PM

Mostly clear night

80° 💧 0.001 in 💨 8 mph H 81%29.88 inHg

Tomorrow

12:00 AM

Clear night

75° 💧 None 💨 7 mph H 90%29.94 inHg

3:00 AM

Clear night

72° 💧 None 💨 8 mph H 93%29.94 inHg

6:00 AM

Clear night

68° 💧 None 💨 8 mph H 76%29.97 inHg

9:00 AM

Sunny

69° 💧 None 💨 9 mph H 74%30.03 inHg

12:00 PM

Sunny

77° 💧 None 💨 10 mph H 53%30.06 inHg

3:00 PM

Partly cloudy

81° 💧 None 💨 9 mph H 42%30.00 inHg

6:00 PM

Sunny

79° 💧 None 💨 9 mph H 40%30.00 inHg

9:00 PM

Clear night

71° 💧 None 💨 8 mph H 63%30.03 inHg

Monday

12:00 AM

Mostly cloudy night

67° 💧 None 💨 7 mph H 73%30.09 inHg

3:00 AM

Mostly cloudy night

65° 💧 None 💨 7 mph H 84%30.09 inHg

6:00 AM

Clear night

62° 💧 None 💨 6 mph H 89%30.09 inHg

9:00 AM

Sunny

65° 💧 None 💨 7 mph H 79%30.15 inHg

12:00 PM

Sunny

76° 💧 None 💨 7 mph H 55%30.15 inHg

Today

3:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 52%29.88 inHg

4:00 PM

Sunny

91° 💧 0.000 in 💨 7 mph H 52%29.88 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 8 mph H 51%29.85 inHg

6:00 PM

Light thunderstorms

88° 💧 0.003 in 💨 9 mph H 55%29.85 inHg

7:00 PM

Mostly sunny

85° 💧 0.002 in 💨 7 mph H 69%29.85 inHg

8:00 PM

Sunny

82° 💧 0.000 in 💨 6 mph H 77%29.88 inHg

9:00 PM

Mostly clear night

80° 💧 0.001 in 💨 8 mph H 81%29.88 inHg

10:00 PM

Clear night

78° 💧 0.000 in 💨 7 mph H 86%29.91 inHg

11:00 PM

Clear night

77° 💧 None 💨 7 mph H 89%29.94 inHg

Tomorrow

12:00 AM

Clear night

75° 💧 None 💨 7 mph H 90%29.94 inHg

1:00 AM

Clear night

74° 💧 None 💨 7 mph H 91%29.94 inHg

2:00 AM

Mostly clear night

73° 💧 None 💨 8 mph H 92%29.94 inHg

3:00 AM

Clear night

72° 💧 None 💨 8 mph H 93%29.94 inHg

4:00 AM

Clear night

71° 💧 None 💨 8 mph H 90%29.94 inHg

5:00 AM

Clear night

70° 💧 None 💨 8 mph H 82%29.97 inHg

6:00 AM

Clear night

68° 💧 None 💨 8 mph H 76%29.97 inHg

7:00 AM

Clear night

67° 💧 None 💨 9 mph H 75%30.00 inHg

8:00 AM

Sunny

67° 💧 None 💨 9 mph H 75%30.03 inHg

9:00 AM

Sunny

69° 💧 None 💨 9 mph H 74%30.03 inHg

10:00 AM

Sunny

71° 💧 None 💨 9 mph H 70%30.06 inHg

11:00 AM

Sunny

74° 💧 None 💨 10 mph H 61%30.06 inHg

12:00 PM

Sunny

77° 💧 None 💨 10 mph H 53%30.06 inHg

1:00 PM

Sunny

79° 💧 None 💨 10 mph H 49%30.03 inHg

2:00 PM

Mostly sunny

80° 💧 None 💨 10 mph H 46%30.03 inHg

3:00 PM

Partly cloudy

81° 💧 None 💨 9 mph H 42%30.00 inHg

4:00 PM

Mostly cloudy

81° 💧 None 💨 9 mph H 38%30.00 inHg

5:00 PM

Mostly cloudy

80° 💧 None 💨 9 mph H 37%30.00 inHg

6:00 PM

Sunny

79° 💧 None 💨 9 mph H 40%30.00 inHg

7:00 PM

Sunny

77° 💧 None 💨 9 mph H 47%30.00 inHg

8:00 PM

Sunny

73° 💧 None 💨 8 mph H 56%30.00 inHg

9:00 PM

Clear night

71° 💧 None 💨 8 mph H 63%30.03 inHg

10:00 PM

Clear night

70° 💧 None 💨 7 mph H 69%30.06 inHg

11:00 PM

Mostly cloudy night

68° 💧 None 💨 7 mph H 72%30.06 inHg

Monday

12:00 AM

Mostly cloudy night

67° 💧 None 💨 7 mph H 73%30.09 inHg

1:00 AM

Clear night

67° 💧 None 💨 8 mph H 73%30.09 inHg

2:00 AM

Mostly clear night

66° 💧 None 💨 8 mph H 79%30.09 inHg

3:00 AM

Mostly cloudy night

65° 💧 None 💨 7 mph H 84%30.09 inHg

4:00 AM

Mostly cloudy night

64° 💧 None 💨 6 mph H 87%30.09 inHg

5:00 AM

Mostly clear night

63° 💧 None 💨 6 mph H 88%30.09 inHg

6:00 AM

Clear night

62° 💧 None 💨 6 mph H 89%30.09 inHg

7:00 AM

Clear night

62° 💧 None 💨 7 mph H 89%30.12 inHg

8:00 AM

Sunny

62° 💧 None 💨 7 mph H 86%30.15 inHg

9:00 AM

Sunny

65° 💧 None 💨 7 mph H 79%30.15 inHg

10:00 AM

Sunny

69° 💧 None 💨 7 mph H 72%30.15 inHg

11:00 AM

Sunny

73° 💧 None 💨 6 mph H 65%30.15 inHg

12:00 PM

Sunny

76° 💧 None 💨 7 mph H 55%30.15 inHg

1:00 PM

Sunny

79° 💧 None 💨 9 mph H 48%30.15 inHg

2:00 PM

Sunny

80° 💧 None 💨 8 mph H 46%30.12 inHg

3:00 PM

Sunny

81° 💧 None 💨 7 mph H 43%30.09 inHg

4:00 PM

Sunny

82° 💧 None 💨 8 mph H 42%30.09 inHg

5:00 PM

Sunny

82° 💧 None 💨 8 mph H 42%30.09 inHg

6:00 PM

Sunny

81° 💧 None 💨 8 mph H 44%30.09 inHg

7:00 PM

Sunny

80° 💧 None 💨 8 mph H 49%30.09 inHg

8:00 PM

Sunny

76° 💧 None 💨 6 mph H 56%30.09 inHg

Tuesday

5:00 AM

Clear night

68° 💧 None 💨 9 mph H 76%30.09 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 7 mph H 76%30.12 inHg

11:00 AM

Mostly cloudy

79° 💧 None 💨 6 mph H 63%30.15 inHg

2:00 PM

Overcast

86° 💧 None 💨 6 mph H 49%30.12 inHg

5:00 PM

Overcast

88° 💧 None 💨 6 mph H 43%30.06 inHg

8:00 PM

Sunny

81° 💧 None 💨 3 mph H 59%30.06 inHg

11:00 PM

Clear night

77° 💧 None 💨 6 mph H 62%30.09 inHg

Wednesday

2:00 AM

Mostly clear night

76° 💧 None 💨 8 mph H 68%30.09 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 8 mph H 74%30.09 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 10 mph H 76%30.09 inHg

11:00 AM

Mostly sunny

84° 💧 None 💨 12 mph H 62%30.09 inHg

2:00 PM

Sunny

92° 💧 None 💨 13 mph H 46%30.03 inHg

5:00 PM

Sunny

94° 💧 None 💨 11 mph H 36%29.97 inHg

8:00 PM

Mostly sunny

86° 💧 None 💨 3 mph H 55%29.94 inHg

11:00 PM

Heavy rain

77° 💧 None 💨 13 mph H 73%30.00 inHg

Thursday

2:00 AM

Overcast night

74° 💧 None 💨 4 mph H 95%30.00 inHg

5:00 AM

Moderate rain

72° 💧 None 💨 6 mph H 95%29.97 inHg

8:00 AM

Moderate rain

70° 💧 None 💨 4 mph H 96%30.00 inHg

11:00 AM

Light rain

70° 💧 None 💨 2 mph H 93%30.00 inHg

2:00 PM

Overcast

75° 💧 None 💨 4 mph H 74%30.00 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 6 mph H 62%29.91 inHg

8:00 PM

Sunny

73° 💧 None 💨 2 mph H 76%29.94 inHg

11:00 PM

Clear night

67° 💧 None 💨 2 mph H 89%29.94 inHg

Friday

2:00 AM

Clear night

65° 💧 None 💨 6 mph H 83%29.94 inHg

8:00 AM

Sunny

61° 💧 None 💨 4 mph H 69%30.00 inHg

2:00 PM

Sunny

59° 💧 None 💨 4 mph H 80%30.03 inHg

8:00 PM

Overcast

76° 💧 None 💨 1 mph H 49%30.00 inHg

Saturday

2:00 AM

Overcast night

71° 💧 None 💨 1 mph H 70%29.91 inHg

8:00 AM

Mostly sunny

64° 💧 None 💨 6 mph H 73%29.94 inHg

2:00 PM

Sunny

60° 💧 None 💨 7 mph H 79%29.94 inHg

8:00 PM

Partly cloudy

78° 💧 None 💨 10 mph H 47%29.88 inHg

Sunday

2:00 AM

Mostly clear night

77° 💧 None 💨 10 mph H 58%29.74 inHg

8:00 AM

Light rain

67° 💧 None 💨 12 mph H 89%29.80 inHg

2:00 PM

Overcast

66° 💧 None 💨 14 mph H 85%29.85 inHg

8:00 PM

Overcast

71° 💧 None 💨 8 mph H 54%30.00 inHg

Monday

2:00 AM

Clear night

64° 💧 None 💨 5 mph H 56%30.00 inHg

8:00 AM

Sunny

56° 💧 None 💨 6 mph H 67%30.09 inHg

2:00 PM

Sunny

52° 💧 None 💨 5 mph H 78%30.21 inHg

8:00 PM

Clear night

70° 💧 None 💨 6 mph H 39%30.21 inHg

Tuesday

2:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 63%30.18 inHg

8:00 AM

Sunny

56° 💧 None 💨 4 mph H 69%30.24 inHg

2:00 PM

Sunny

53° 💧 None 💨 4 mph H 80%30.30 inHg

8:00 PM

Mostly clear night

75° 💧 None 💨 2 mph H 41%30.30 inHg

Wednesday

2:00 AM

Clear night

69° 💧 None 💨 2 mph H 65%30.24 inHg

8:00 AM

Sunny

62° 💧 None 💨 3 mph H 71%30.27 inHg

2:00 PM

Mostly sunny

59° 💧 None 💨 5 mph H 77%30.33 inHg

8:00 PM

Mostly clear night

80° 💧 None 💨 7 mph H 41%30.33 inHg

Thursday

2:00 AM

Clear night

74° 💧 None 💨 3 mph H 57%30.24 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 8 mph H 60%30.21 inHg

2:00 PM

Partly cloudy

64° 💧 None 💨 9 mph H 60%30.21 inHg

8:00 PM

Overcast night

83° 💧 None 💨 12 mph H 38%30.09 inHg

Friday

2:00 AM

Partly cloudy night

77° 💧 None 💨 6 mph H 49%30.00 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 4 mph H 81%30.03 inHg

2:00 PM

Sunny

65° 💧 None 💨 9 mph H 94%30.09 inHg

8:00 PM

Clear night

77° 💧 None 💨 11 mph H 48%30.12 inHg

Saturday

2:00 AM

Clear night

71° 💧 None 💨 10 mph H 54%30.09 inHg

8:00 AM

Sunny

60° 💧 None 💨 7 mph H 78%30.12 inHg

2:00 PM

Sunny

53° 💧 None 💨 5 mph H 88%30.12 inHg

8:00 PM

Overcast night

74° 💧 None 💨 4 mph H 44%30.06 inHg

Sunday

2:00 AM

Clear night

67° 💧 None 💨 3 mph H 62%30.00 inHg

In Greencastle and, more broadly, across the state of Indiana: Clear skies will continue through the afternoon with temperatures warming to between 71 and 86 degrees Fahrenheit. Expect moderate northwest winds around 10 mph, with gusts reaching up to 22 mph, which may bring a slight breeze to outdoor activities. There is a possibility of light rain, with an accumulated total of about 0.1 inches, indicating some brief showers could occur. Overall, the weather remains hot, so it’s advisable to stay hydrated and wear sun protection if spending time outdoors later in the day. Conditions are generally stable, but the gusty winds could cause minor disturbances. Keep an eye out for any quick changes in weather, especially if rain begins to develop.

15-Day Weather Outlook for Greencastle

TomorrowTomorrow

Mostly sunny 82°/67° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 82°/62° 💧 None 💨 9 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 88°/67° 💧 0.047 in 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 94°/74° 💧 0.001 in 💨 13 mph

Thursday, Sep 10Thu Sep 10

Heavy rain 86°/70° 💧 0.562 in 💨 13 mph

Friday, Sep 11Fri Sep 11

Sunny 73°/59° 💧 0.225 in 💨 6 mph

Saturday, Sep 12Sat Sep 12

Overcast 76°/60° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light rain 78°/66° 💧 0.228 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Overcast 71°/52° 💧 0.001 in 💨 8 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 70°/53° 💧 None 💨 6 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 75°/59° 💧 None 💨 5 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 80°/64° 💧 None 💨 9 mph

Friday, Sep 18Fri Sep 18

Overcast 83°/65° 💧 0.036 in 💨 12 mph

Saturday, Sep 19Sat Sep 19

Sunny 77°/53° 💧 None 💨 11 mph

Sunday, Sep 20Sun Sep 20

Overcast 74°/67° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Greencastle

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Greencastle

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 5,1µg/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 5,3µg/m³

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

O₃ Ozone Fair 88,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Greencastle

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 🙂Fair

Tomorrow UV 7,6High 🙂Fair

Monday UV 7,5High 😐Moderate

Tuesday UV 7,6High 😐Moderate

Wednesday UV 8,0Very high 🙂Fair

Thursday UV 5,0Moderate —Unavailable

Friday UV 5,0Moderate —Unavailable

Hourly UV index today

3:00 PMUV 7,0 4:00 PMUV 4,8 5:00 PMUV 2,9 6:00 PMUV 1,3 7:00 PMUV 0,4

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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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 Greencastle

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GREENCASTLE, INDIANA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:45 PM–5:47 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 30% Waning Crescent · Moon about 31° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 79° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min73%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Greencastle were last refreshed today at 2:08 PM. The current forecast period extends through 07/09/2026 at 12:00 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.