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      Flood Watch
      until 12:00 PM EDT
      Elev 738 ft, 40.599 °N 79.755 °W

      Tarentum, PA

      Tarentum Station66°
      Updated: 1:21 AM EDT on September 21, 2026 (GMT -4)
      9 minutes ago
      74°
      64°
      66
      Feels Like 66
      Cloudy
      N
      7
      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
        Tonight
        Sun 09/20
        Low 59°f
         54% Precip. / 0.02 in
        Cloudy with showers. Low 59F. Winds NE at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Mon 09/21
        High 61°f
         67% Precip. / 0.28 in
        Occasional rain tapering to a few showers late. High 61F. Winds ENE at 10 to 15 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
        Tomorrow night
        Mon 09/21
        Low 56°f
         61% Precip. / 0.09 in
        Cloudy with showers. Low 56F. Winds ENE at 5 to 10 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        66°
        2AM
        65°
        3AM
        65°
        4AM
        30%
        64°
        5AM
        46%
        63°
        6AM
        62°
        7AM
        36%
        61°
        7:05AM
        Sunrise
        8AM
        51%
        61°
        9AM
        54%
        60°
        10AM
        35%
        59°
        11AM
        36%
        59°
        12PM
        33%
        59°
        1PM
        30%
        60°
        2PM
        61°
        3PM
        33%
        61°
        4PM
        32%
        61°
        5PM
        34%
        61°
        6PM
        61°
        7PM
        60°
        7:17PM
        Sunset
        8PM
        59°
        9PM
        59°
        10PM
        33%
        58°
        11PM
        42%
        58°
        12AM
        61%
        57°
        1AM
        57%
        57°
        Precipitation
        61%
        Rain possible after 4 AM
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        35
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 93%
        6. Rainfall 0.05 in
        7. Snow Depth 0 in
         KBTP Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 74°F 90°F 2002
        4. Low 64°F 51°F 31°F 1956
        5. Rain/Snow Depth
        6. Precipitation 0.02 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 73°F 88°F
        4. Low 64°F 51°F 31°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:05 AM 7:17 PM
        3. Civil Twilight 6:38 AM 7:44 PM
        4. Nautical Twilight 6:06 AM 8:16PM
        5. Astronomical Twilight 5:33 AM 8:49 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 4:57 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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