What is today's weather forecast for Decatur, MI?

Today's forecast for Decatur shows a high of 54 degrees and a low of 41 degrees Fahrenheit. A slight chance of rain showers between 11am and 2pm, then showers and thunderstorms.

What is the 7-day weather forecast for Decatur, MI?

The 7-day forecast for Decatur shows highs from 50 to 61 degrees and lows from 32 to 45 degrees Fahrenheit. Expect precipitation on 6 days with chances of 20% or higher.

Will it rain in Decatur, MI this week?

Yes, rain is possible in Decatur this week. Precipitation chances: Tuesday (94% chance), Wednesday (86% chance), Thursday (66% chance), Saturday (28% chance), Sunday (28% chance), Monday (44% chance).

How accurate is the Decatur weather forecast?

WeatherForYou provides highly accurate Decatur forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Decatur, MI Weather Forecast and Current Conditions (49045)

Current Conditions From Nearby Local Station

52°F
Feels Like 52°F

Humidity 77% Dew Point 45°F Wind SW 7 MPH Gusts 15 Barometer 29.55 in.750.6 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 2.8 miles NW of central Decatur
at 5:48 AM Tue, Oct 21, 2025

Current Conditions From Nearby Local Station

52°F
Feels Like 52°F

Humidity 77% Dew Point 45°F Wind SW 7 MPH Gusts 15 Barometer 29.55 in.750.6 mm

Solar Rad 0 w/m2

Report from a MADIS/MESONET station 2.8 miles NW of central Decatur
at 5:48 AM Tue, Oct 21, 2025

Point Forecast at a Glance

TueOct 21

80%

54°

41°

WedOct 22

90%

50°

40°

ThuOct 23

70%

51°

36°

FriOct 24

53°

32°

SatOct 25

20%

56°

37°

SunOct 26

30%

57°

42°

MonOct 27

20%

61°

45°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 50°F to 61°F. Unsettled weather expected with rain likely on at least 6 days.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for October. Normal highs for this period are around 62°F with lows around 42°F.

This Date in Weather History

1988 - Joan, the last hurricane of the season, neared the coast of Nicaragua packing 125 mph winds. Joan claimed more than 200 lives as she moved over Central America, and total damage approached 1.5 billion dollars. Crossing more than 40 degrees of longitude, Hurricane Joan never strayed even one degree from the 12 degree north parallel.

Decatur 7 Day Weather Forecast Details

Tuesday Oct 21

Day: A slight chance of rain showers between 11am and 2pm, then showers and thunderstorms. Mostly sunny. High near 54, with temperatures falling to around 49 in the afternoon. West southwest wind 9 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

Night: Showers and thunderstorms. Cloudy. Low around 41, with temperatures rising to around 43 overnight. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Oct 22

Day: Rain showers. Cloudy. High near 50, with temperatures falling to around 48 in the afternoon. West wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Night: Rain showers. Cloudy, with a low around 40. West northwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Oct 23

Day: Rain showers likely. Mostly cloudy, with a high near 51. West northwest wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

Night: A chance of rain showers before 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.