My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 33 ft, 40.415 °N 76.483 °W

      Jonestown, PA

      Jonestown Station64°
      Updated: 12:17 AM EDT on September 21, 2026 (GMT -4)
      2 minutes ago
      74°
      61°
      64
      Feels Like 64
      Cloudy
      N
      4
      Lower temperature is expected today
      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
        Sun 09/20
        Low 60°f
         5% Precip. / 0 in
        Considerable cloudiness. Low around 60F. Winds light and variable.
        Tomorrow
        Mon 09/21
        High 68°f
         38% Precip. / 0.02 in
        Cloudy early with showers for the afternoon hours. High 68F. Winds NE at 5 to 10 mph. Chance of rain 40%.
        Tomorrow night
        Mon 09/21
        Low 54°f
         87% Precip. / 0.26 in
        Showers early, becoming a steady rain late. Low 54F. Winds ENE at 5 to 10 mph. Chance of rain 90%. Rainfall around a quarter of an inch.
        Hourly Forecast
        Now
        65°
        1AM
        64°
        2AM
        64°
        3AM
        63°
        4AM
        63°
        5AM
        62°
        6AM
        62°
        6:52AM
        Sunrise
        7AM
        61°
        8AM
        61°
        9AM
        62°
        10AM
        63°
        11AM
        64°
        12PM
        66°
        1PM
        67°
        2PM
        67°
        3PM
        38%
        67°
        4PM
        68°
        5PM
        66°
        6PM
        30%
        66°
        7PM
        65°
        7:04PM
        Sunset
        8PM
        62°
        9PM
        32%
        62°
        10PM
        35%
        61°
        11PM
        39%
        60°
        12AM
        45%
        60°
        Precipitation
        45%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        29
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point62°F
        5. Humidity 92%
        6. Rainfall 1.05 in
        7. Snow Depth 0 in
         KMUI Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 74°F 74°F 88°F 1983
        4. Low 61°F 54°F 36°F 2020
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 69°F 73°F 95°F
        4. Low 61°F 53°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 7:04 PM
        3. Civil Twilight 6:25 AM 7:31 PM
        4. Nautical Twilight 5:53 AM 8:03PM
        5. Astronomical Twilight 5:20 AM 8:36 PM
        1. Length of Visible Light 13h 6m
        2. Length of Day 12h 12m
        3. Tomorrow will be 2 minutes 40 seconds shorter
        1. Moon 4:43 PM 1:20 AM
        2. Waxing Gibbous77% 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
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary