Log In
    Favorites
        Member Settings
      Elev 586 ft, 38.756 °N 82.990 °W

      Portsmouth, OH

      Portsmouth Station76°
      Updated: 4:49 PM EDT on October 20, 2026 (GMT -4)
      3 minutes ago
      72°
      38°
      76
      Feels Like 74
      Sunny
      N
      3
      Similar temperature is expected tomorrow
      Wundermap

      Loading nearby stations…

       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
        Tue 10/20
        Low 40°f
         8% Precip. / 0 in
        A clear sky. Low around 40F. Winds light and variable.
        Tomorrow
        Wed 10/21
        High 72°f
         8% Precip. / 0 in
        A mainly sunny sky. High 72F. Winds light and variable.
        Tomorrow night
        Wed 10/21
        Low 40°f
         12% Precip. / 0 in
        Clear. Low around 40F. Winds light and variable.
        Hourly Forecast
        Now
        70°
        5PM
        69°
        6PM
        67°
        6:46PM
        Sunset
        7PM
        61°
        8PM
        56°
        9PM
        53°
        10PM
        50°
        11PM
        48°
        12AM
        47°
        1AM
        46°
        2AM
        44°
        3AM
        44°
        4AM
        42°
        5AM
        42°
        6AM
        41°
        7AM
        41°
        7:47AM
        Sunrise
        8AM
        41°
        9AM
        44°
        10AM
        49°
        11AM
        56°
        12PM
        62°
        1PM
        66°
        2PM
        69°
        3PM
        70°
        4PM
        70°
        Precipitation
        8%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        51
        Moderate
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.28 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point39°F
        5. Humidity 33%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KPMH Station History
        Almanac for October 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 67°F 84°F 2016
        4. Low 38°F 42°F 23°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for October 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 67°F 88°F
        4. Low 40°F 41°F 22°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:46 AM 6:46 PM
        3. Civil Twilight 7:19 AM 7:13 PM
        4. Nautical Twilight 6:48 AM 7:44PM
        5. Astronomical Twilight 6:17 AM 8:15 PM
        1. Length of Visible Light 11h 54m
        2. Length of Day 11h 0m
        3. Tomorrow will be 2 minutes 22 seconds shorter
        1. Moon 4:00 PM 1:44 AM
        2. Waxing Gibbous70% 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…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        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