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Port Byron, IL 61275 Weather
Today: Chance Rain Showers, high 60°F, low 50°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Port Byron, IL 61275 current weather
44°F
Mostly Cloudy
Forecast for this hour. No recent report from a nearby station.
H 60° / L 50°
No recent station report. NWS hourly forecast updated 10/30/2026, 2:36 AM PT
Hourly forecast
NWS, updated 10/30/2026, 2:36 AM PT
10-day forecast
Tap a day for details
Today10/3066% chance of precipitationLow 50°High 60°
Today: A chance of rain showers between 10am and 3pm. Mostly cloudy. High near 60, with temperatures falling to around 58 in the afternoon. East wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight: A chance of rain showers before 1am, then showers and thunderstorms likely. Cloudy. Low around 50, with temperatures rising to around 52 overnight. East wind around 10 mph. Chance of precipitation is 70%.
Chance Rain ShowersSat10/3174% chance of precipitationLow 53°High 64°
Saturday: Rain showers likely before 2pm. Mostly cloudy, with a high near 64. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Saturday Night: Mostly cloudy, with a low around 53. Southeast wind around 5 mph.
Rain Showers LikelySun11/121% chance of precipitationLow 55°High 68°
Sunday: A slight chance of rain showers. Partly sunny, with a high near 68.
Sunday Night: Mostly cloudy, with a low around 55.
Slight Chance Rain ShowersMon11/277% chance of precipitationLow 59°High 69°
Monday: Rain showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Monday Night: Rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 80%.
Rain Showers LikelyTue11/377% chance of precipitationLow 53°High 71°
Tuesday: Rain showers. Mostly cloudy, with a high near 71. Chance of precipitation is 80%.
Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Rain ShowersWed11/455% chance of precipitationLow 48°High 66°
Wednesday: Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Wednesday Night: A slight chance of rain showers. Mostly cloudy, with a low around 48.
Rain Showers LikelyThu11/525% chance of precipitationLow 43°High 63°
Thursday: A chance of rain showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Thursday Night: Mostly cloudy, with a low around 43.
Chance Rain ShowersFri11/6Model blend19% chance of precipitationLow 38°High 61°
Friday: Partly cloudy, slight chance of rain. High near 61°. Low that night near 38°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sat11/7Model blend13% chance of precipitationLow 39°High 60°
Saturday: Partly cloudy. High near 60°. Low that night near 39°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sun11/8Model blend18% chance of precipitationLow 40°High 62°
Sunday: Partly cloudy. High near 62°. Low that night near 40°. 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.
Forecast for 41.596, -90.304 from the NWS DVN office, updated 10/30/2026, 2:36 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KDVN (Davenport Muni, 15 mi), model run 10/30/2026, 3:00 AM 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
- Now44°Mostly Cloudy6%5 mph
- 8 AM44°Mostly Cloudy8%5 mph
- 9 AM47°Mostly Cloudy14%10 mph
- 10 AM50°Slight Chance Rain Showers22%10 mph
- 11 AM52°Slight Chance Rain Showers22%10 mph
- 12 PM54°Chance Rain Showers25%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the high temperature today in Port Byron, IL 61275?
- The National Weather Service forecast for today calls for a high near 60°F. Chance Rain Showers.
- Will it rain in Port Byron, IL 61275 in the next 24 hours?
- The hourly forecast shows a 52% chance of precipitation around 10/31/2026, 1:00 AM CDT.
- What is the 10-day forecast for Port Byron, IL 61275?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 6 to Nov 8) come from the NOAA National Blend of Models, with highs of 60°F to 62°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Port Byron, IL 61275 today?
- Sunrise is about 7:31 AM CDT and sunset is about 5:58 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Port Byron, IL 61275?
- At Le Claire L&d 14, the 1991 to 2020 normal high in October is 64°F and the normal low is 44°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.19 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Illinois hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:General thunderstormsOutlook 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 (Rock Island-Moline)
- GoodPM2.5
- AQI forecast tomorrow (Rock Island-Moline)
- GoodPM2.5
Drought
By countyRock Island County, week of 10/27/2026
No drought or abnormal dryness in this county.
Sun and moon
Local time, center of the area
- Sunrise
- 7:31 AM
- Sunset
- 5:58 PM
- Daylight
- 10 hr 27 min
- Moon
- Waning Gibbous 80% lit
- First light (civil dawn)
- 7:02 AM
- Last light (civil dusk)
- 6:27 PM
- Moonrise
- 9:35 PM
- Moonset
- 12:49 PM
Normal October weather
ClimateNormal October high 64°, low 44°, precipitation 2.60 in for the month. 1991 to 2020 normals at Le Claire L&d 14, 5 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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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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