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Grattan School, MI Weather Forecast

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Grattan School, MI Weather Forecast

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Grattan School MI weather - Overcast - 68°F
Overcast
68°F
Updated 12:02 am
Feels Like 72°F
Humidity 89%
Wind S 3 mph
Barometer  30.08 in
Dew Point 65°F
Grattan School MI weather - Overcast - 20°C
Overcast
20°C
Updated 12:02 am
Feels Like 22°C
Humidity 89%
Wind S 5 km/h
Barometer  101.8 kPa
Dew Point 18°C
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Grattan School Weather Forecast

REST OF TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Grattan School, MI Weather - Rest Of Tonight Chance Of T-Storm Grattan School, MI Weather - Sunday Chance Of T-Storm Grattan School, MI Weather - Sunday Night Chance Of T-Storm Grattan School, MI Weather - Monday Chance Of T-Storm Grattan School, MI Weather - Monday Night Chance Of T-Storm Grattan School, MI Weather - Tuesday Partly Sunny Grattan School, MI Weather - Tuesday Night Chance Of T-Storm Grattan School, MI Weather - Wednesday Mostly Sunny Grattan School, MI Weather - Wednesday Night Chance Of T-Storm Grattan School, MI Weather - Thursday Mostly Sunny Grattan School, MI Weather - Thursday Night Chance Of Showers Grattan School, MI Weather - Friday Mostly Sunny
Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of T-Storm Partly Sunny Chance of T-Storm Mostly Sunny Chance of T-Storm Mostly Sunny Chance of Showers Mostly Sunny
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
POP: 50% POP: 70% POP: 20% POP: 20% POP: 20% POP: 20% POP: 30% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 957 PM EDT Sat Aug 29 2026 Grattan School, MI Weather - WeatherWorld.com

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Grattan School Forecast Discussion

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Issued: 733 PM EDT Sat Aug 29 2026

Key Messages

  • Becoming Hot and Humid
  • Rain Chances Increase Tonight into Sunday
  • Additional Chances for Rain and Thunderstorms Next Week

Discussion

... Issued at 216 PM EDT Sat Aug 29 2026
  • Becoming Hot and Humid

    • An upper-level high will develop over the southern CONUS and migrate toward the southeast CONUS by midweek. Southwesterly low- level flow from the southern plains will transport 850 mb temperatures around 20 C over Lower Michigan from late Sunday through Tuesday or Wednesday. At the surface, a ...