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Gray Summit, MO Weather
Today: Sunny, high 79°F, low 53°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Gray Summit, MO current weather
No recent observation or forecast for this location right now. Please check again in a few minutes.
10-day forecast
Tap a day for details
Today10/28Low 53°High 79°
This Afternoon: Sunny, with a high near 79. South wind around 6 mph.
Tonight: Clear, with a low around 53. South wind around 5 mph.
SunnyThu10/29Low 54°High 81°
Thursday: Sunny, with a high near 81. Southwest wind around 3 mph.
Thursday Night: Mostly cloudy, with a low around 54. Northeast wind around 1 mph.
SunnyFri10/30Low 56°High 78°
Friday: Partly sunny, with a high near 78. East wind around 3 mph.
Friday Night: Mostly cloudy, with a low around 56.
Partly SunnySat10/3124% chance of precipitationLow 53°High 73°
Saturday: Mostly cloudy, with a high near 73.
Saturday Night: A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
Mostly CloudySun11/129% chance of precipitationLow 53°High 71°
Sunday: A chance of rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 30%.
Sunday Night: Mostly cloudy, with a low around 53.
Chance Rain ShowersMon11/248% chance of precipitationLow 56°High 70°
Monday: A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Monday Night: A chance of rain showers before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Chance Rain ShowersTue11/354% chance of precipitationLow 53°High 72°
Tuesday: A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Tuesday Night: A chance of rain showers before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Chance Rain ShowersWed11/4Model blend56% chance of precipitationLow 45°High 70°
Wednesday: Chance of rain. High near 70°. Low that night near 45°. About 0.57 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.
Thu11/5Model blend32% chance of precipitationLow 40°High 65°
Thursday: Chance of rain. High near 65°. Low that night near 40°. About 0.01 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.
Fri11/6Model blend13% chance of precipitationLow 37°High 63°
Friday: Partly cloudy. High near 63°. Low that night near 37°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 38.497, -90.837 from the NWS LSX office, updated 10/28/2026, 11:26 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KSUS (St Louis/Spirit of St Louis Arpt, 15 mi), model run 10/28/2026, 11:00 AM CDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Frequently asked questions
- What is the high temperature today in Gray Summit, MO?
- The National Weather Service forecast for this afternoon calls for a high near 79°F. Sunny.
- What is the 10-day forecast for Gray Summit, MO?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 63°F to 70°F and up to a 56% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in Gray Summit, MO today?
- Sunrise is about 7:25 AM CDT and sunset is about 6:08 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Gray Summit, MO?
- At Washington, the 1991 to 2020 normal high in October is 69°F and the normal low is 44°F.
Nearby hazards
Missouri hazardsSevere 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
Drought
By countyFranklin County, week of 10/20/2026
30% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:25 AM
- Sunset
- 6:08 PM
- Daylight
- 10 hr 42 min
- Moon
- Waning Gibbous 92% lit
- First light (civil dawn)
- 6:58 AM
- Last light (civil dusk)
- 6:35 PM
- Moonrise
- 7:38 PM
- Moonset
- 10:27 AM
Normal October weather
ClimateNormal 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
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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