Log In
    Favorites
        Member Settings
      Frost Advisory
      until 9:00 AM EDT
      Elev 148 ft, 39.896 °N 75.351 °W

      Swarthmore, PA

      Knauer Observatory Station48°
      Sat, Oct 24, 2026
      Tomorrow
      Sat 10/24
      High 64°f
      4% Precip. / 0 in
      Mostly sunny. High 64F. Winds light and variable.
      Tomorrow night
      Sat 10/24
      Low 40°f
      5% Precip. / 0 in
      A mostly clear sky. Low around 40F. Winds light and variable.
      Sunrise 7:21 AM
      Sunset 6:09 PM
      Moonrise 5:05 PM
      Moonset 5:33 AM
      Waxing Gibbous, 97% visible
      Hourly Forecast
      12AM
      46°
      1AM
      44°
      2AM
      43°
      3AM
      42°
      4AM
      41°
      5AM
      41°
      6AM
      41°
      7AM
      40°
      7:21AM
      Sunrise
      8AM
      41°
      9AM
      46°
      10AM
      51°
      11AM
      56°
      12PM
      58°
      1PM
      60°
      2PM
      61°
      3PM
      62°
      4PM
      62°
      5PM
      62°
      6PM
      59°
      6:08PM
      Sunset
      7PM
      55°
      8PM
      53°
      9PM
      51°
      10PM
      48°
      11PM
      47°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Partly Cloudy
      		 46°F 46°F 1% 0in 46% 36°F 68% 2 mph E 30.46in
      1:00 am
      Mostly Clear
      		 44°F 44°F 1% 0in 21% 36°F 72% 2 mph NNW 30.46in
      2:00 am
      Clear
      		 43°F 43°F 1% 0in 17% 36°F 75% 3 mph NNW 30.48in
      3:00 am
      Clear
      		 42°F 41°F 3% 0in 11% 35°F 75% 3 mph N 30.49in
      4:00 am
      Clear
      		 41°F 40°F 4% 0in 18% 35°F 77% 3 mph N 30.49in
      5:00 am
      Mostly Clear
      		 41°F 38°F 4% 0in 28% 34°F 76% 4 mph NNW 30.5in
      6:00 am
      Partly Cloudy
      		 41°F 38°F 4% 0in 34% 33°F 73% 4 mph N 30.51in
      7:00 am
      Mostly Clear
      		 40°F 37°F 4% 0in 27% 32°F 74% 4 mph N 30.53in
      8:00 am
      Mostly Sunny
      		 41°F 38°F 4% 0in 20% 33°F 74% 4 mph N 30.53in
      9:00 am
      Sunny
      		 46°F 44°F 2% 0in 18% 34°F 64% 4 mph N 30.55in
      10:00 am
      Mostly Sunny
      		 51°F 49°F 0% 0in 21% 34°F 52% 5 mph NNE 30.55in
      11:00 am
      Sunny
      		 56°F 55°F 0% 0in 17% 34°F 45% 4 mph NE 30.55in
      12:00 pm
      Sunny
      		 58°F 58°F 0% 0in 18% 34°F 40% 4 mph NE 30.55in
      1:00 pm
      Sunny
      		 60°F 60°F 0% 0in 15% 32°F 35% 3 mph ENE 30.53in
      2:00 pm
      Sunny
      		 61°F 61°F 0% 0in 12% 32°F 32% 3 mph ENE 30.51in
      3:00 pm
      Sunny
      		 62°F 62°F 0% 0in 11% 31°F 31% 3 mph ENE 30.5in
      4:00 pm
      Sunny
      		 62°F 62°F 0% 0in 7% 31°F 31% 2 mph ESE 30.5in
      5:00 pm
      Sunny
      		 62°F 62°F 0% 0in 7% 32°F 33% 3 mph ESE 30.51in
      6:00 pm
      Sunny
      		 59°F 59°F 0% 0in 7% 35°F 41% 2 mph SE 30.51in
      7:00 pm
      Clear
      		 55°F 55°F 0% 0in 7% 35°F 47% 2 mph NW 30.52in
      8:00 pm
      Clear
      		 53°F 53°F 0% 0in 7% 36°F 52% 2 mph W 30.53in
      9:00 pm
      Clear
      		 51°F 51°F 0% 0in 7% 36°F 56% 1 mph WNW 30.54in
      10:00 pm
      Clear
      		 48°F 48°F 2% 0in 3% 36°F 63% 2 mph W 30.55in
      11:00 pm
      Clear
      		 47°F 47°F 3% 0in 2% 36°F 67% 1 mph WNW 30.55in
      Additional Conditions
      1. Pressure 30.41 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point35°F
      5. Humidity 54%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KPHL Station History
      Almanac for October 23, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 62°F 66°F 91°F 1947
      4. Low 43°F 47°F 32°F 1969
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for October 24, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 64°F 65°F 79°F
      4. Low 39°F 47°F 30°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 7:20 AM 6:10 PM
      3. Civil Twilight 6:52 AM 6:38 PM
      4. Nautical Twilight 6:21 AM 7:09PM
      5. Astronomical Twilight 5:49 AM 7:40 PM
      1. Length of Visible Light 11h 45m
      2. Length of Day 10h 50m
      3. Tomorrow will be 2 minutes 26 seconds shorter
      1. Moon 4:41 PM 4:24 AM
      2. Waxing Gibbous93% of the Moon is Illuminated
      Oct 26
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
      Nov 17
      Waxing Half First Qtr
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
      Loading nearby stations…
      Our AppsAbout UsContactCareers
      PWS NetworkWunderMap
      Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
      Level Access
      The Weather Company The Weather Channel Weather Underground Storm Radar
      © The Weather Company, LLC 2026
      Glossary