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      Elev 1276 ft, 41.086 °N 79.990 °W

      Harrisville, PA

      Slippery Rock Station59°
      Updated: 11:24 PM EDT on September 15, 2026 (GMT -4)
      4 minutes ago
      79°
      48°
      59
      Feels Like 59
      Clear
      N
      4
      Similar temperature is expected tomorrow
      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
        Tue 09/15
        Low 61°f
         16% Precip. / 0 in
        Clear to partly cloudy. Low 61F. Winds light and variable.
        Tomorrow
        Wed 09/16
        High 81°f
         24% Precip. / 0 in
        A mix of clouds and sun in the morning followed by cloudy skies during the afternoon. Slight chance of a rain shower. High 81F. Winds light and variable.
        Tomorrow night
        Wed 09/16
        Low 67°f
         82% Precip. / 0.22 in
        Scattered thunderstorms in the evening, then mainly cloudy overnight with thunderstorms likely. Low 67F. Winds light and variable. Chance of rain 80%. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        64°
        12AM
        64°
        1AM
        63°
        2AM
        63°
        3AM
        64°
        4AM
        63°
        5AM
        63°
        6AM
        63°
        7AM
        63°
        7:01AM
        Sunrise
        8AM
        64°
        9AM
        67°
        10AM
        70°
        11AM
        74°
        12PM
        76°
        1PM
        77°
        2PM
        78°
        3PM
        79°
        4PM
        79°
        5PM
        79°
        6PM
        40%
        78°
        7PM
        41%
        75°
        7:27PM
        Sunset
        8PM
        38%
        72°
        9PM
        70°
        10PM
        69°
        11PM
        69°
        Precipitation
        41%
        Pollen
        None
        Air Quality
        44
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.21 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point59°F
        5. Humidity 86%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KFKL Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 74°F 89°F 1955
        4. Low 48°F 50°F 30°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 74°F 90°F
        4. Low 48°F 50°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:01 AM 7:27 PM
        3. Civil Twilight 6:33 AM 7:54 PM
        4. Nautical Twilight 6:01 AM 8:27PM
        5. Astronomical Twilight 5:28 AM 9:00 PM
        1. Length of Visible Light 13h 20m
        2. Length of Day 12h 25m
        3. Tomorrow will be 2 minutes 42 seconds shorter
        1. Moon 1:02 PM 10:00 PM
        2. Waxing Crescent30% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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