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      Elev 112 ft, 40.178 °N 75.454 °W

      Collegeville, PA

      Yerkes Station48°

      Current Conditions

      Yerkes Station · updated

      48°F
      65° 47°
      Rain Feels Like 48°
      N 4 mph Wind
      Lower temperature is expected tomorrow
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      Temperature, dewpoint and wind modeled down to the neighborhood.

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      Now
      Radar debug
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Thu 11/12
        Low 40°f
         97% Precip. / 0.15 in
        Periods of rain. Low around 40F. Winds N at 5 to 10 mph. Chance of rain 100%.
        Tomorrow
        Fri 11/13
        High 42°f
         87% Precip. / 0.29 in
        Rain early...then remaining cloudy with showers in the afternoon. High 42F. Winds NNW at 5 to 10 mph. Chance of rain 90%. Rainfall around a quarter of an inch.
        Tomorrow night
        Fri 11/13
        Low 34°f
         22% Precip. / 0 in
        Mostly cloudy. Low 34F. Winds NW at 5 to 10 mph.
        Hourly Forecast
        Now
        48°
        11PM
        85%
        48°
        12AM
        71%
        47°
        1AM
        42%
        46°
        2AM
        34%
        46°
        3AM
        44°
        4AM
        44%
        43°
        5AM
        72%
        42°
        6AM
        81%
        42°
        6:45AM
        Sunrise
        7AM
        87%
        41°
        8AM
        88%
        42°
        9AM
        84%
        42°
        10AM
        81%
        41°
        11AM
        79%
        41°
        12PM
        73%
        41°
        1PM
        61%
        41°
        2PM
        58%
        41°
        3PM
        56%
        41°
        4PM
        46%
        41°
        4:46PM
        Sunset
        5PM
        41%
        41°
        6PM
        36%
        40°
        7PM
        39°
        8PM
        38°
        9PM
        38°
        10PM
        38°
        Precipitation
        88%
        Rain likely to continue
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        38
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.41 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point47°F
        5. Humidity 97%
        6. Rainfall 0.78 in
        7. Snow Depth 0 in
         KPTW Station History
        Almanac for November 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 56°F 74°F 2006
        4. Low 47°F 33°F 10°F 1987
        5. Rain/Snow Depth
        6. Precipitation 0.15 in 4.8 in -
        7. Snow 0 in 0.1 in -
        Almanac for November 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 49°F 56°F 71°F
        4. Low 36°F 33°F 14°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:44 AM 4:47 PM
        3. Civil Twilight 6:15 AM 5:16 PM
        4. Nautical Twilight 5:42 AM 5:49PM
        5. Astronomical Twilight 5:10 AM 6:21 PM
        1. Length of Visible Light 11h 1m
        2. Length of Day 10h 3m
        3. Tomorrow will be 2 minutes 3 seconds shorter
        1. Moon 10:08 AM 6:56 PM
        2. Waxing Crescent10% of the Moon is Illuminated
        Nov 17
        Waxing Half First Qtr
        Nov 24
        Full Moon
        Dec 1
        Waning Half Last Qtr
        Dec 8
        New Moon
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