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Gray Summit, MO 63055 Weather

It is 61°F and fog/mist in Gray Summit, MO 63055, observed at 1:15 AM CDT. Today: Chance Rain Showers, high 71°F, low 58°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Gray Summit, MO 63055 current weather

61°F

Fog/Mist

H 71° / L 58°Feels like 61°

Observed at Washington Regional Airport (9.2 mi away), 10/31/2026, 1:15 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 11:26 PM PT

  1. Now63°
  2. 2 AM61°
  3. 3 AM61°
  4. 4 AM60°
  5. 5 AM59°
  6. 6 AM59°
  7. 7 AM59°14%
  8. 8 AM58°10%
  9. 9 AM59°10%
  10. 10 AM64°10%
  11. 11 AM67°10%
  12. 12 PM69°10%
  13. 1 PM69°13%
  14. 2 PM71°
  15. 3 PM70°
  16. 4 PM71°
  17. 5 PM71°
  18. 6 PM69°
  19. 7 PM66°
  20. 8 PM65°
  21. 9 PM62°
  22. 10 PM62°
  23. 11 PM61°
  24. 12 AM60°Sun
  25. 1 AM59°26%
  26. 1 AM58°22%
  27. 2 AM58°26%
  28. 3 AM57°28%
  29. 4 AM56°31%
  30. 5 AM56°29%
  31. 6 AM56°53%
  32. 7 AM55°52%
  33. 8 AM58°43%
  34. 9 AM62°28%
  35. 10 AM64°38%
  36. 11 AM65°41%
  37. 12 PM65°22%
  38. 1 PM65°20%
  39. 2 PM66°18%
  40. 3 PM66°19%
  41. 4 PM67°
  42. 5 PM66°
  43. 6 PM64°
  44. 7 PM62°
  45. 8 PM61°
  46. 9 PM61°
  47. 10 PM60°
  48. 11 PM60°

10-day forecast

Tap a day for details

  • Today10/3114% chance of precipitationLow 58°High 71°

    Saturday: A chance of rain showers between 7am and 2pm. Cloudy, with a high near 71. East wind 1 to 5 mph.

    Overnight: Cloudy, with a low around 58. East wind around 3 mph.

    Chance Rain Showers
  • Sun11/153% chance of precipitationLow 54°High 67°

    Sunday: A chance of rain showers before 4pm. Mostly cloudy, with a high near 67. Southeast wind around 5 mph. Chance of precipitation is 50%.

    Sunday Night: Mostly cloudy, with a low around 54. Southeast wind around 3 mph.

    Chance Rain Showers
  • Mon11/248% chance of precipitationLow 59°High 70°

    Monday: Cloudy, with a high near 70.

    Monday Night: A chance of showers and thunderstorms after midnight. Cloudy, with a low around 59. Chance of precipitation is 50%.

    Cloudy
  • Tue11/385% chance of precipitationLow 49°High 71°

    Tuesday: Rain showers before noon, then showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 90%.

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Rain Showers
  • Wed11/428% chance of precipitationLow 43°High 66°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.

    Wednesday Night: Partly cloudy, with a low around 43.

    Chance Rain Showers
  • Thu11/516% chance of precipitationLow 42°High 66°

    Thursday: A slight chance of rain showers. Mostly sunny, with a high near 66. Chance of precipitation is 20%.

    Thursday Night: Partly cloudy, with a low around 42.

    Slight Chance Rain Showers
  • Fri11/6Low High 67°

    Friday: Mostly sunny, with a high near 67.

    Mostly Sunny
  • Sat11/7Model blendLow 40°High 66°

    Saturday: Partly cloudy. High near 66°. Low that night near 40°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sun11/8Model blend20% chance of precipitationLow 39°High 64°

    Sunday: Partly cloudy, slight chance of rain. High near 64°. Low that night near 39°. About 0.02 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Mon11/9Model blend20% chance of precipitationLow 38°High 66°

    Monday: Partly cloudy, slight chance of rain. High near 66°. Low that night near 38°. About 0.07 in of precipitation.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 38.539, -90.836 from the NWS LSX office, updated 10/30/2026, 11:26 PM PT · Official forecast on weather.gov

Days 8 to 10: NOAA National Blend of Models, station KSUS (St Louis/Spirit of St Louis Arpt, 13 mi), model run 10/30/2026, 9:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now63°Cloudy2%3 mph
  2. 2 AM61°Cloudy2%2 mph
  3. 3 AM61°Cloudy2%1 mph
  4. 4 AM60°Cloudy2%1 mph
  5. 5 AM59°Cloudy2%1 mph
  6. 6 AM59°Cloudy3%1 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Gray Summit, MO 63055 right now?
The latest observation from Washington Regional Airport was 61°F and fog/mist, reported at 10/31/2026, 1:15 AM CDT.
What is the high temperature today in Gray Summit, MO 63055?
The National Weather Service forecast for saturday calls for a high near 71°F. Chance Rain Showers.
Will it rain in Gray Summit, MO 63055 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What is the 10-day forecast for Gray Summit, MO 63055?
The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 64°F to 66°F. Model guidance this far out often changes.
What time is sunrise and sunset in Gray Summit, MO 63055 today?
Sunrise is about 7:29 AM CDT and sunset is about 6:04 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Gray Summit, MO 63055?
At Washington, the 1991 to 2020 normal high in October is 69°F and the normal low is 44°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.08 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Missouri hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (St. Louis (Metro-east))
ModeratePM2.5
AQI forecast tomorrow (St. Louis (Metro-east))
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Franklin County, week of 10/27/2026

61% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:29 AM
Sunset
6:04 PM
Daylight
10 hr 35 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
7:01 AM
Last light (civil dusk)
6:32 PM
Moonrise
11:05 PM
Moonset
1:29 PM

Normal October weather

Climate

Normal October high 69°, low 44°, precipitation 3.37 in for the month. 1991 to 2020 normals at Washington, 8 mi away.

Other places nearby

Data sources

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About this data

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