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      Elev 110 ft, 8.338 °N 13.074 °W

      Waterloo, SL

      Waterloo Station77°
      Updated: 9:14 PM GMT on September 20, 2026 (GMT +0)
      just now
      85°
      75°
      77
      Feels Like 79
      Cloudy
      N
      4
      Similar 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 75°f
         79% Precip. / 0.16 in
        Cloudy skies this evening followed by thunderstorms late. Storms will produce frequent lightning. Low around 75F. Winds light and variable. Chance of rain 80%.
        Tomorrow
        Mon 09/21
        High 84°f
         88% Precip. / 0.36 in
        Thunderstorms likely in the morning. Then a chance of scattered thunderstorms in the afternoon. Heavy downpours, frequent lightning with storms. High 84F. Winds W at 5 to 10 mph. Chance of rain 90%.
        Tomorrow night
        Mon 09/21
        Low 75°f
         99% Precip. / 0.81 in
        Thunderstorms likely. Heavy downpours, frequent lightning with storms. Low near 75F. Winds W at 5 to 10 mph. Chance of rain 100%.
        Hourly Forecast
        Now
        78°
        10PM
        78°
        11PM
        78°
        12AM
        78°
        1AM
        78°
        2AM
        75%
        77°
        3AM
        59%
        77°
        4AM
        76%
        77°
        5AM
        69%
        76°
        6AM
        79%
        76°
        6:41AM
        Sunrise
        7AM
        81%
        76°
        8AM
        79%
        77°
        9AM
        88%
        78°
        10AM
        79%
        80°
        11AM
        68%
        81°
        12PM
        64%
        82°
        1PM
        53%
        82°
        2PM
        48%
        83°
        3PM
        55%
        83°
        4PM
        51%
        82°
        5PM
        49%
        82°
        6PM
        51%
        81°
        6:48PM
        Sunset
        7PM
        62%
        79°
        8PM
        73%
        78°
        9PM
        71%
        78°
        Precipitation
        88%
        Thunderstorms possible after 2 AM
        Pollen
        None
        Air Quality
        46
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 10 miles
        3. Clouds Cloudy
        4. Dew Point76°F
        5. Humidity 95%
        6. Rainfall 0.14 in
        7. Snow Depth 0 in
         GFHA Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 85°F -°F
        4. Low 75°F 74°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.16 in 0.6 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 85°F -°F
        4. Low 75°F 74°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:41 AM 6:49 PM
        3. Civil Twilight 6:20 AM 7:10 PM
        4. Nautical Twilight 5:56 AM 7:34PM
        5. Astronomical Twilight 5:32 AM 7:58 PM
        1. Length of Visible Light 12h 49m
        2. Length of Day 12h 7m
        3. Tomorrow will be 28 seconds shorter
        1. Moon 2:24 PM 1:24 AM
        2. Waxing Gibbous66% 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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