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      Elev 146 ft, 40.535 °N 77.391 °W

      Mifflintown, PA

      Port Royal Station73°
      Updated: 2:38 PM EDT on September 20, 2026 (GMT -4)
      2 minutes ago
      74°
      64°
      73
      Feels Like 75
      Showers in Vicinity
      N
      1
      Higher temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sun 09/20
        High 74°f
         47% Precip. / 0.02 in
        Mixed clouds and sun with scattered thunderstorms. High 74F. Winds light and variable. Chance of rain 50%.
        Tonight
        Sun 09/20
        Low 58°f
         13% Precip. / 0 in
        Cloudy. Low 58F. Winds light and variable.
        Tomorrow
        Mon 09/21
        High 65°f55°f
         41% Precip. / 0.08 in
        Cloudy in the morning, then off and on rain showers during the afternoon hours. High near 65F. Winds light and variable. Chance of rain 40%.
        Hourly Forecast
        Now
        74°
        3PM
        33%
        74°
        4PM
        46%
        74°
        5PM
        74°
        6PM
        73°
        7PM
        72°
        7:10PM
        Sunset
        8PM
        71°
        9PM
        69°
        10PM
        68°
        11PM
        67°
        12AM
        66°
        1AM
        65°
        2AM
        64°
        3AM
        63°
        4AM
        62°
        5AM
        61°
        6AM
        61°
        6:56AM
        Sunrise
        7AM
        59°
        8AM
        59°
        9AM
        60°
        10AM
        60°
        11AM
        61°
        12PM
        62°
        1PM
        40%
        63°
        2PM
        40%
        63°
        Precipitation
        46%
        Storms continuing through 5 PM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        48
        Good
        UV Index
        2
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point70°F
        5. Humidity 89%
        6. Rainfall 0.54 in
        7. Snow Depth 0 in
         KRVL Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 75°F 91°F 1965
        4. Low 64°F 52°F 32°F 2020
        5. Rain/Snow Depth
        6. Precipitation 0.02 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 75°F 88°F
        4. Low 64°F 52°F 32°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:55 AM 7:09 PM
        3. Civil Twilight 6:27 AM 7:37 PM
        4. Nautical Twilight 5:55 AM 8:09PM
        5. Astronomical Twilight 5:23 AM 8:41 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 14m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 4:13 PM 12:22 AM
        2. Waxing Gibbous68% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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