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      Elev 217 ft, 40.351 °N 74.671 °W

      Princeton, NJ

      Updated: 8:51 PM EDT on September 24, 2026 (GMT -4)
      6 minutes ago
      66°
      50°
      53
      Feels Like 53
      Fair
      N
      6
      Higher temperature is expected tomorrow
      Wundermap
      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
        Thu 09/24
        Low 52°f
        1% Precip. / 0 in
        Some clouds. Low 52F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Fri 09/25
        High 74°f
        1% Precip. / 0 in
        Partly cloudy skies. High 74F. Winds NNE at 15 to 25 mph.
        Tomorrow night
        Fri 09/25
        Low 58°f
        39% Precip. / 0.05 in
        Cloudy skies early with showers later at night. Low 58F. Winds NNE at 10 to 20 mph. Chance of rain 40%.
        Hourly Forecast
        Now
        54°
        9PM
        55°
        10PM
        54°
        11PM
        54°
        12AM
        56°
        1AM
        55°
        2AM
        54°
        3AM
        53°
        4AM
        53°
        5AM
        54°
        6AM
        54°
        6:48AM
        Sunrise
        7AM
        54°
        8AM
        56°
        9AM
        59°
        10AM
        62°
        11AM
        65°
        12PM
        67°
        1PM
        70°
        2PM
        71°
        3PM
        72°
        4PM
        72°
        5PM
        72°
        6PM
        70°
        6:50PM
        Sunset
        7PM
        68°
        8PM
        66°
        Additional Conditions
        1. Pressure 30.26 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point44°F
        5. Humidity 70%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KTTN Station History
        Almanac for September 25, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 75°F 93°F 1970
        4. Low 50°F 50°F 31°F 1963
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 75°F 92°F
        4. Low 50°F 50°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:49 AM 6:50 PM
        3. Civil Twilight 6:22 AM 7:17 PM
        4. Nautical Twilight 5:50 AM 7:49PM
        5. Astronomical Twilight 5:18 AM 8:21 PM
        1. Length of Visible Light 12h 55m
        2. Length of Day 12h 1m
        3. Tomorrow will be 2 minutes 38 seconds shorter
        1. Moon 6:14 PM 5:34 AM
        2. Waxing Gibbous99% 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
        Nearby Weather Stations
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