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      Elev 383 ft, 40.850 °N 79.891 °W

      Penn Township, PA

      Pittsburgh/Butler Regional Airport Station61°
      Updated: 7:08 AM EDT on September 21, 2026 (GMT -4)
      5 minutes ago
      63°
      54°
      61
      Feels Like 61
      Cloudy
      N
      10
      Gusts 19 mph
      Lower 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
        Mon 09/21
        High 61°f
         69% Precip. / 0.08 in
        Considerable cloudiness. Occasional rain showers this afternoon. High 61F. Winds ENE at 10 to 15 mph. Chance of rain 70%.
        Tonight
        Mon 09/21
        Low 54°f
         76% Precip. / 0.37 in
        Rain. Low 54F. Winds ENE at 5 to 10 mph. Chance of rain 80%. Rainfall near a quarter of an inch.
        Tomorrow
        Tue 09/22
        High 58°f52°f
         71% Precip. / 0.17 in
        Rain showers in the morning will evolve into a more steady rain in the afternoon. High 58F. Winds E at 10 to 15 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        59°
        8AM
        58°
        9AM
        58°
        10AM
        58°
        11AM
        58°
        12PM
        58°
        1PM
        57%
        58°
        2PM
        60%
        58°
        3PM
        70%
        58°
        4PM
        39%
        58°
        5PM
        38%
        58°
        6PM
        31%
        58°
        7PM
        44%
        58°
        7:18PM
        Sunset
        8PM
        42%
        57°
        9PM
        52%
        57°
        10PM
        49%
        56°
        11PM
        60%
        56°
        12AM
        72%
        56°
        1AM
        77%
        55°
        2AM
        65%
        55°
        3AM
        61%
        55°
        4AM
        51%
        55°
        5AM
        51%
        55°
        6AM
        52%
        55°
        7AM
        42%
        55°
        Precipitation
        77%
        Rain possible after 1 PM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        32
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point56°F
        5. Humidity 88%
        6. Rainfall 0.14 in
        7. Snow Depth 0 in
         KBTP Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 63°F 73°F 89°F 1978
        4. Low 54°F 48°F 36°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.45 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 58°F 72°F 88°F
        4. Low 54°F 48°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:06 AM 7:18 PM
        3. Civil Twilight 6:38 AM 7:45 PM
        4. Nautical Twilight 6:06 AM 8:17PM
        5. Astronomical Twilight 5:33 AM 8:50 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 41 seconds shorter
        1. Moon 4:58 PM 1:33 AM
        2. Waxing Gibbous77% 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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