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      Elev 112 ft, 40.178 °N 75.454 °W

      Collegeville, PA

      Yerkes Station50°
      Wed, Oct 28, 2026
      Tonight
      Wed 10/28
      Low 44°f
      23% Precip. / 0 in
      Clear to partly cloudy. Areas of dense fog. Low 44F. Winds light and variable.
      Tomorrow
      Thu 10/29
      High 71°f
      20% Precip. / 0 in
      Foggy early, becoming mostly sunny in the afternoon. Warm. High 71F. Winds light and variable.
      Sunrise 7:26 AM
      Sunset 6:03 PM
      Moonrise 7:37 PM
      Moonset 10:35 AM
      Waning Gibbous, 89% visible
      Hourly Forecast
      Now
      52°
      9PM
      52°
      10PM
      50°
      11PM
      49°
      12AM
      49°
      1AM
      48°
      2AM
      47°
      3AM
      46°
      4AM
      45°
      5AM
      45°
      6AM
      23%
      45°
      7AM
      21%
      45°
      7:28AM
      Sunrise
      8AM
      21%
      46°
      9AM
      21%
      51°
      10AM
      20%
      55°
      11AM
      59°
      12PM
      63°
      1PM
      66°
      2PM
      68°
      3PM
      69°
      4PM
      69°
      5PM
      68°
      6PM
      65°
      6:02PM
      Sunset
      7PM
      61°
      8PM
      58°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      9:00 pm
      Clear
      		 52°F 52°F 2% 0in 0% 48°F 87% 0 mph SSE 30.37in
      10:00 pm
      Clear
      		 50°F 50°F 2% 0in 0% 48°F 90% 0 mph S 30.36in
      11:00 pm
      Clear
      		 49°F 49°F 3% 0in 0% 48°F 96% 0 mph S 30.36in
      Additional Conditions
      1. Pressure 30.37 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point48°F
      5. Humidity 87%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KPTW Station History
      Almanac for October 28, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 69°F 62°F 83°F 1963
      4. Low 38°F 38°F 12°F 1987
      5. Rain/Snow Depth
      6. Precipitation 0 in 4.2 in -
      7. Snow 0 in 0 in -
      Almanac for October 29, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 71°F 61°F 80°F
      4. Low 44°F 37°F 13°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:26 AM 6:03 PM
      3. Civil Twilight 6:58 AM 6:31 PM
      4. Nautical Twilight 6:26 AM 7:03PM
      5. Astronomical Twilight 5:55 AM 7:35 PM
      1. Length of Visible Light 11h 33m
      2. Length of Day 10h 37m
      3. Tomorrow will be 2 minutes 24 seconds shorter
      1. Moon 7:37 PM 10:35 AM
      2. Waning Gibbous89% of the Moon is Illuminated
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nov 24
      Full Moon
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