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Ann Arbor, MI 48109 Weather
It is 66°F and rain in Ann Arbor, MI 48109, observed at 4:53 PM EDT. Today: Chance Rain Showers, high 72°F, low 39°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).
Ann Arbor, MI 48109 current weather
66°F
Rain
H 72° / L 39°Feels like 66°
Observed at Detroit, Willow Run Airport (11.4 mi away), 10/29/2026, 4:53 PM EDT
Hourly forecast
NWS, updated 10/29/2026, 1:24 PM PT
10-day forecast
Tap a day for details
Today10/2948% chance of precipitationLow 39°High 72°
This Afternoon: A chance of rain showers. Mostly cloudy. High near 72, with temperatures falling to around 67 in the afternoon. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A chance of rain showers before 7pm. Partly cloudy. Low around 39, with temperatures rising to around 42 overnight. Northwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Chance Rain ShowersFri10/30Low 40°High 61°
Friday: Sunny. High near 61, with temperatures falling to around 59 in the afternoon. North northwest wind around 7 mph.
Friday Night: Mostly cloudy, with a low around 40. North northeast wind 0 to 3 mph.
SunnySat10/31Low 46°High 61°
Saturday: Mostly cloudy, with a high near 61. East southeast wind 2 to 8 mph.
Saturday Night: Cloudy, with a low around 46.
Mostly CloudySun11/114% chance of precipitationLow 48°High 66°
Sunday: Mostly cloudy, with a high near 66.
Sunday Night: Mostly cloudy, with a low around 48.
Mostly CloudyMon11/244% chance of precipitationLow 52°High 68°
Monday: A slight chance of rain showers after 1pm. Partly sunny, with a high near 68.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 52.
Partly Sunny then Slight Chance Rain ShowersTue11/344% chance of precipitationLow 54°High 69°
Tuesday: A chance of rain showers. Mostly cloudy, with a high near 69.
Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 54.
Chance Rain ShowersWed11/444% chance of precipitationLow 53°High 69°
Wednesday: A chance of rain showers. Partly sunny, with a high near 69.
Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 53.
Chance Rain ShowersThu11/5Model blend53% chance of precipitationLow 45°High 65°
Thursday: Chance of rain. High near 65°. Low that night near 45°. About 0.16 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 blend27% chance of precipitationLow 39°High 60°
Friday: Partly cloudy, slight chance of rain. 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.
Sat11/7Model blend15% chance of precipitationLow 37°High 60°
Saturday: Mostly cloudy, slight chance of rain. High near 60°. 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 42.267, -83.745 from the NWS DTX office, updated 10/29/2026, 1:24 PM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KARB (Ann Arbor Muni, 3 mi), model run 10/29/2026, 4:00 PM EDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now67°Chance Rain Showers48%14 mph
- 6 PM66°Chance Rain Showers28%13 mph
- 7 PM63°Mostly Cloudy3%12 mph
- 8 PM60°Partly Cloudy0%10 mph
- 9 PM57°Mostly Clear0%12 mph
- 10 PM54°Clear0%12 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 weather in Ann Arbor, MI 48109 right now?
- The latest observation from Detroit, Willow Run Airport was 66°F and rain, reported at 10/29/2026, 4:53 PM EDT.
- What is the high temperature today in Ann Arbor, MI 48109?
- The National Weather Service forecast for this afternoon calls for a high near 72°F. Chance Rain Showers.
- Will it rain in Ann Arbor, MI 48109 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 Ann Arbor, MI 48109?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 5 to Nov 7) come from the NOAA National Blend of Models, with highs of 60°F to 65°F and up to a 53% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in Ann Arbor, MI 48109 today?
- Sunrise is about 8:04 AM EDT and sunset is about 6:32 PM EDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Ann Arbor, MI 48109?
- At Ann Arbor MUNI AP, the 1991 to 2020 normal high in October is 62°F and the normal low is 38°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.01 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Michigan 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: Genesee-01 Zacs Fire (4 acres)
UV and air quality forecast
EPA and AirNow
- UV index today (Ann Arbor)
- 3Moderate
- 111a
- 212p
- 31p
- 32p
- 23p
- 14p
- 15p
- AQI forecast today (Southeast)
- ModeratePM2.5
- AQI forecast tomorrow (Southeast)
- GoodOzone
Drought
By countyWashtenaw County, week of 10/27/2026
50% of the county is abnormally dry. No drought.
Sun and moon
Local time, center of the area
- Sunrise
- 8:04 AM
- Sunset
- 6:32 PM
- Daylight
- 10 hr 28 min
- Moon
- Waning Gibbous 85% lit
- First light (civil dawn)
- 7:35 AM
- Last light (civil dusk)
- 7:01 PM
- Moonrise
- 8:53 PM
- Moonset
- 12:23 PM
Normal October weather
ClimateNormal October high 62°, low 38°, precipitation 2.22 in for the month. 1991 to 2020 normals at Ann Arbor MUNI AP, 3 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
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations · 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
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