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      Flood Advisory
      until 12:00 PM EDT
      Elev 909 ft, 39.754 °N 86.811 °W

      Greencastle, IN

      Greencastle Station
      Updated: 10:18 AM EDT on August 20, 2026 (GMT -4)
      1 minute ago
      81°
      63°
      70
      Feels Like 70
      Cloudy
      N
      1
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Fri 08/21
      High 81°f
      15% Precip. / 0 in
      Partly cloudy. High 81F. Winds NNE at 5 to 10 mph.
      Tonight
      Fri 08/21
      Low 59°f
      15% Precip. / 0 in
      Partly cloudy. Low 59F. Winds NNE at 5 to 10 mph.
      Tomorrow
      Sat 08/22
      High 82°f63°f
      20% Precip. / 0 in
      Partly cloudy. High 82F. Winds light and variable.
      Hourly Forecast
      Now
      70°
      11AM
      71°
      12PM
      74°
      1PM
      76°
      2PM
      78°
      3PM
      79°
      4PM
      79°
      5PM
      79°
      6PM
      78°
      7PM
      77°
      8PM
      75°
      8:36PM
      Sunset
      9PM
      72°
      10PM
      70°
      11PM
      68°
      12AM
      66°
      1AM
      65°
      2AM
      64°
      3AM
      63°
      4AM
      62°
      5AM
      62°
      6AM
      61°
      7AM
      60°
      7:05AM
      Sunrise
      8AM
      63°
      9AM
      66°
      10AM
      70°
      Precipitation
      21%
      Pollen
      Grass Pollen
      Moderate
      Air Quality
      27
      Good
      UV Index
      2
      Low
      Additional Conditions
      1. Pressure 29.97 in
      2. Visibility 8 miles
      3. Clouds Cloudy
      4. Dew Point66°F
      5. Humidity 89%
      6. Rainfall 1.09 in
      7. Snow Depth 0 in
       KGPC Station History
      Almanac for August 20, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 81°F 82°F 101°F 1983
      4. Low 63°F 59°F 47°F 1929
      5. Rain/Snow Depth
      6. Precipitation 0 in 4 in -
      7. Snow 0 in 0 in -
      Almanac for August 21, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 82°F 82°F 102°F
      4. Low 63°F 59°F 44°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:04 AM 8:36 PM
      3. Civil Twilight 6:35 AM 9:04 PM
      4. Nautical Twilight 6:01 AM 9:38PM
      5. Astronomical Twilight 5:24 AM 10:15 PM
      1. Length of Visible Light 14h 29m
      2. Length of Day 13h 32m
      3. Tomorrow will be 2 minutes 22 seconds shorter
      1. Moon 3:39 PM -
      2. Waxing Gibbous56% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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