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      Elev 922 ft, 43.408 °N 89.621 °W

      Merrimac, WI

      Merrimac Station65°
      Updated: 4:03 PM CDT on September 19, 2026 (GMT -5)
      8 minutes ago
      66°
      56°
      65
      Feels Like 65
      Cloudy
      N
      3
      Same temperature is expected tomorrow
      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 57°f
         55% Precip. / 0.21 in
        Scattered thunderstorms this evening with a few showers possible late. Low 57F. Winds NE at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Sun 09/20
        High 65°f
         15% Precip. / 0 in
        Cloudy. Slight chance of a rain shower. High near 65F. Winds NE at 10 to 20 mph.
        Tomorrow night
        Sun 09/20
        Low 53°f
         12% Precip. / 0 in
        Cloudy skies. Low 53F. Winds NE at 10 to 15 mph.
        Hourly Forecast
        Now
        65°
        5PM
        34%
        65°
        6PM
        64°
        7PM
        41%
        64°
        7:01PM
        Sunset
        8PM
        37%
        63°
        9PM
        62°
        10PM
        62°
        11PM
        39%
        61°
        12AM
        55%
        60°
        1AM
        43%
        60°
        2AM
        34%
        60°
        3AM
        31%
        60°
        4AM
        32%
        60°
        5AM
        59°
        6AM
        59°
        6:43AM
        Sunrise
        7AM
        58°
        8AM
        59°
        9AM
        59°
        10AM
        60°
        11AM
        62°
        12PM
        63°
        1PM
        64°
        2PM
        65°
        3PM
        65°
        4PM
        65°
        Precipitation
        55%
        Thunderstorms possible after 5 PM
        Pollen
        None
        Air Quality
        17
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 8 miles
        3. Clouds Cloudy
        4. Dew Point64°F
        5. Humidity 98%
        6. Rainfall 1.86 in
        7. Snow Depth 0 in
         KDLL Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 72°F 93°F 1908
        4. Low 56°F 49°F 37°F 1992
        5. Rain/Snow Depth
        6. Precipitation 0.21 in 0.1 in -
        7. Snow 0 in - in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 71°F 94°F
        4. Low 56°F 48°F 30°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:01 PM
        3. Civil Twilight 6:13 AM 7:29 PM
        4. Nautical Twilight 5:40 AM 8:03PM
        5. Astronomical Twilight 5:05 AM 8:37 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 18m
        3. Tomorrow will be 2 minutes 56 seconds shorter
        1. Moon 3:35 PM -
        2. Waxing Gibbous59% 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
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