My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
        More Settings
      Elev 173 ft, 42.440 °N 73.561 °W

      Old Chatham, NY

      Updated: 12:21 PM EDT on September 23, 2026 (GMT -4)
      9 minutes ago
      66°
      40°
      67
      Feels Like 67
      Sunny
      N
      12
      Gusts 20 mph
      Similar temperature is expected today
      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
        Today
        Wed 09/23
        High 66°f
        1% Precip. / 0 in
        Plentiful sunshine. High 66F. Winds ENE at 10 to 15 mph.
        Tonight
        Wed 09/23
        Low 39°f
        7% Precip. / 0 in
        Clear skies. Low 39F. Winds light and variable.
        Tomorrow
        Thu 09/24
        High 68°f44°f
        7% Precip. / 0 in
        A mainly sunny sky. High 68F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        64°
        1PM
        65°
        2PM
        66°
        3PM
        66°
        4PM
        64°
        5PM
        63°
        6PM
        60°
        6:49PM
        Sunset
        7PM
        56°
        8PM
        53°
        9PM
        51°
        10PM
        48°
        11PM
        47°
        12AM
        46°
        1AM
        45°
        2AM
        43°
        3AM
        42°
        4AM
        42°
        5AM
        42°
        6AM
        41°
        6:43AM
        Sunrise
        7AM
        40°
        8AM
        45°
        9AM
        50°
        10AM
        55°
        11AM
        59°
        12PM
        62°
        Additional Conditions
        1. Pressure 30.51 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point42°F
        5. Humidity 44%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KPSF Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 72°F 90°F 1980
        4. Low 40°F 50°F 36°F 1976
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 72°F 82°F
        4. Low 40°F 49°F 28°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 6:49 PM
        3. Civil Twilight 6:14 AM 7:17 PM
        4. Nautical Twilight 5:41 AM 7:50PM
        5. Astronomical Twilight 5:08 AM 8:23 PM
        1. Length of Visible Light 13h 2m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 50 seconds shorter
        1. Moon 5:28 PM 3:13 AM
        2. Waxing Gibbous91% 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
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Loading…
        Weather Alerts
        Loading…
        Level Access
        Glossary