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      Elev 165 ft, 38.656 °N 90.574 °W

      Chesterfield, MO

      Wed, Sep 30, 2026
      Tonight
      Wed 09/30
      Low 73°f
      24% Precip. / 0 in
      Cloudy skies. Low 73F. Winds S at 5 to 10 mph.
      Tomorrow
      Thu 10/01
      High 86°f
      64% Precip. / 0.24 in
      Cloudy in the morning with scattered thunderstorms developing later in the day. High 86F. Winds SW at 10 to 15 mph. Chance of rain 60%.
      Sunrise 6:57 AM
      Sunset 6:46 PM
      Moonrise 8:59 PM
      Moonset 11:35 AM
      Waning Gibbous, 77% visible
      Hourly Forecast
      Now
      91°
      5PM
      90°
      6PM
      87°
      6:46PM
      Sunset
      7PM
      83°
      8PM
      80°
      9PM
      79°
      10PM
      79°
      11PM
      78°
      12AM
      77°
      1AM
      76°
      2AM
      76°
      3AM
      76°
      4AM
      75°
      5AM
      74°
      6AM
      74°
      6:58AM
      Sunrise
      7AM
      74°
      8AM
      75°
      9AM
      77°
      10AM
      79°
      11AM
      81°
      12PM
      83°
      1PM
      84°
      2PM
      85°
      3PM
      43%
      84°
      4PM
      65%
      81°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      5:00 pm
      Partly Cloudy
      90°F 92°F 7% 0in 51% 61°F 38% 7 mph S 29.81in
      6:00 pm
      Partly Cloudy
      87°F 89°F 0% 0in 51% 63°F 44% 7 mph SSE 29.81in
      7:00 pm
      Partly Cloudy
      83°F 86°F 0% 0in 57% 63°F 51% 6 mph SSE 29.81in
      8:00 pm
      Cloudy
      80°F 82°F 0% 0in 87% 63°F 57% 6 mph SSE 29.82in
      9:00 pm
      Mostly Cloudy
      79°F 82°F 0% 0in 79% 64°F 59% 7 mph S 29.83in
      10:00 pm
      Cloudy
      79°F 81°F 0% 0in 80% 63°F 60% 6 mph SSE 29.84in
      11:00 pm
      Cloudy
      78°F 78°F 0% 0in 90% 63°F 61% 6 mph S 29.84in
      Additional Conditions
      1. Pressure 29.81 in
      2. Visibility 8 miles
      3. Clouds Partly Cloudy
      4. Dew Point61°F
      5. Humidity 37%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      KSUS Station History
      Almanac for September 30, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 93°F 76°F 91°F 1979
      4. Low 65°F 53°F 33°F 1984
      5. Rain/Snow Depth
      6. Precipitation 0 in 2.9 in -
      7. Snow 0 in - in -
      Almanac for October 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 86°F 76°F 93°F
      4. Low 66°F 52°F 32°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:57 AM 6:46 PM
      3. Civil Twilight 6:30 AM 7:12 PM
      4. Nautical Twilight 6:00 AM 7:43PM
      5. Astronomical Twilight 5:28 AM 8:14 PM
      1. Length of Visible Light 12h 42m
      2. Length of Day 11h 49m
      3. Tomorrow will be 2 minutes 29 seconds shorter
      1. Moon 8:59 PM 11:35 AM
      2. Waning Gibbous77% of the Moon is Illuminated
      Oct 3
      Waning Half Last Qtr
      Oct 10
      New Moon
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nearby Weather Stations
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      Elev.
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      Glossary