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      Elev 646 ft, 43.893 °N 71.676 °W

      Thornton, NH

      Updated: 12:46 PM EDT on September 17, 2026 (GMT -4)
      3 minutes ago
      71°
      56°
      71
      Feels Like 71
      Mostly Cloudy
      N
      5
      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
        Today
        Thu 09/17
        High 70°f
        100% Precip. / 0.19 in
        Rain. High near 70F. Winds light and variable. Chance of rain 100%.
        Tonight
        Thu 09/17
        Low 55°f
        52% Precip. / 0.1 in
        Showers early, then cloudy overnight. Areas of patchy fog. Low around 55F. Winds light and variable. Chance of rain 50%.
        Tomorrow
        Fri 09/18
        High 68°f39°f
        19% Precip. / 0 in
        Foggy early, becoming sunny in the afternoon. High 68F. Winds NW at 10 to 15 mph.
        Hourly Forecast
        Now
        71°
        1PM
        71°
        2PM
        71°
        3PM
        71°
        4PM
        91%
        71°
        5PM
        100%
        69°
        6PM
        78%
        68°
        6:53PM
        Sunset
        7PM
        48%
        66°
        8PM
        52%
        64°
        9PM
        46%
        63°
        10PM
        44%
        63°
        11PM
        45%
        63°
        12AM
        62°
        1AM
        61°
        2AM
        61°
        3AM
        60°
        4AM
        60°
        5AM
        59°
        6AM
        20%
        57°
        6:29AM
        Sunrise
        7AM
        20%
        56°
        8AM
        20%
        58°
        9AM
        60°
        10AM
        63°
        11AM
        65°
        12PM
        66°
        Additional Conditions
        1. Pressure 30.2 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point60°F
        5. Humidity 69%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KLCI Station History
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 72°F 85°F 1991
        4. Low 56°F 44°F 28°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0.29 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 68°F 71°F 82°F
        4. Low 56°F 44°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:28 AM 6:53 PM
        3. Civil Twilight 5:59 AM 7:22 PM
        4. Nautical Twilight 5:25 AM 7:56PM
        5. Astronomical Twilight 4:50 AM 8:31 PM
        1. Length of Visible Light 13h 22m
        2. Length of Day 12h 24m
        3. Tomorrow will be 2 minutes 59 seconds shorter
        1. Moon 1:41 PM 9:56 PM
        2. Waxing Crescent39% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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