My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev 138 ft, 42.878 °N 70.952 °W

      South Hampton, NH

      Mertinooke Station
      Updated: 12:41 AM EDT on August 25, 2026 (GMT -4)
      2 minutes ago
      67°
      65°
      68
      Feels Like 68
      Fair
      N
      2
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Tonight
      Mon 08/24
      Low 58°f
      5% Precip. / 0 in
      Mostly clear. Low 58F. Winds light and variable.
      Tomorrow
      Tue 08/25
      High 79°f
      10% Precip. / 0 in
      Generally sunny despite a few afternoon clouds. High 79F. Winds W at 5 to 10 mph.
      Tomorrow night
      Tue 08/25
      Low 59°f
      7% Precip. / 0 in
      Mainly clear. Low 59F. Winds light and variable.
      Hourly Forecast
      Now
      64°
      1AM
      64°
      2AM
      63°
      3AM
      62°
      4AM
      61°
      5AM
      60°
      6AM
      59°
      6:00AM
      Sunrise
      7AM
      60°
      8AM
      65°
      9AM
      68°
      10AM
      71°
      11AM
      74°
      12PM
      76°
      1PM
      77°
      2PM
      77°
      3PM
      78°
      4PM
      78°
      5PM
      77°
      6PM
      75°
      7PM
      73°
      7:30PM
      Sunset
      8PM
      70°
      9PM
      68°
      10PM
      67°
      11PM
      66°
      12AM
      65°
      Precipitation
      11%
      Pollen
      Grass Pollen
      Moderate
      Air Quality
      65
      Moderate
      UV Index
      0
      Low
      Additional Conditions
      1. Pressure 29.91 in
      2. Visibility 10 miles
      3. Clouds Partly Cloudy
      4. Dew Point60°F
      5. Humidity 86%
      6. Rainfall 0.01 in
      7. Snow Depth 0 in
       KLWM Station History
      Almanac for August 25, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 67°F 80°F 95°F 2007
      4. Low 65°F 57°F 37°F 1987
      5. Rain/Snow Depth
      6. Precipitation 0 in 3.9 in -
      7. Snow 0 in 0 in -
      Almanac for August 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 82°F 80°F 98°F
      4. Low 65°F 57°F 41°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:00 AM 7:30 PM
      3. Civil Twilight 5:31 AM 7:59 PM
      4. Nautical Twilight 4:55 AM 8:35PM
      5. Astronomical Twilight 4:17 AM 9:13 PM
      1. Length of Visible Light 14h 28m
      2. Length of Day 13h 29m
      3. Tomorrow will be 2 minutes 44 seconds shorter
      1. Moon 6:28 PM 3:03 AM
      2. Waxing Gibbous94% of the Moon is Illuminated
      Aug 28
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
      Loading…
      Health
      Loading…
      Weather Alerts
      Loading…
      Our AppsAbout UsContactCareersWeather Data APIs
      PWS NetworkWundermapFeedback & Support
      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