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Grass Lake, IN Weather Forecast

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Grass Lake, IN Weather Forecast

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Grass Lake IN weather - Mostly Cloudy - 54°F
Mostly Cloudy
54°F
Updated 9:47 am
Feels Like 49°F
Humidity 72%
Wind S 7 mph
Barometer  30.2 in
Dew Point 45°F
Grass Lake IN weather - Mostly Cloudy - 12°C
Mostly Cloudy
12°C
Updated 9:47 am
Feels Like 10°C
Humidity 72%
Wind S 11 km/h
Barometer  102.2 kPa
Dew Point 7°C
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Grass Lake Weather Forecast

REST OF TODAY TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT COLUMBUS DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT
Grass Lake, IN Weather - Rest Of Today Partly Cloudy Grass Lake, IN Weather - Tonight Partly Cloudy Grass Lake, IN Weather - Saturday Partly Cloudy Grass Lake, IN Weather - Saturday Night Chance Of Showers Grass Lake, IN Weather - Sunday Chance Of Showers Grass Lake, IN Weather - Sunday Night Partly Cloudy Grass Lake, IN Weather - Columbus Day Partly Cloudy Grass Lake, IN Weather - Monday Night Chance Of T-Storm Grass Lake, IN Weather - Tuesday Chance Of T-Storm Grass Lake, IN Weather - Tuesday Night Chance Of Showers Grass Lake, IN Weather - Wednesday Chance Of Showers Grass Lake, IN Weather - Wednesday Night Chance Of Showers
Partly Cloudy Partly Cloudy Partly Cloudy Chance of Showers Chance of Showers Partly Cloudy Partly Cloudy Chance of T-Storm Chance of T-Storm Chance of Showers Chance of Showers Chance of Showers
Hi: 70°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 79°FHi: 26°C
 Lo: 60°FLo: 16°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 50°FLo: 10°C
POP: 50% POP: 50% POP: 30% POP: 30% POP: 20% POP: 20% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 827 AM EDT Fri Oct 09 2026 Grass Lake, IN Weather - WeatherWorld.com

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Grass Lake Forecast Discussion

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Issued: 643 AM EDT Fri Oct 9 2026

Key Messages

  • A few sprinkles are possible toward Lake Michigan today.
  • More widespread light rain is expected Saturday night into early Sunday, especially east of I-69, associated with the remnants of Isaias. No significant impacts are anticipated.
  • Generally above normal temperatures expected through much of next week before a more pronounced drop in temps is expected later Friday into the weekend.

Discussion

... Issued at 238 AM EDT Fri Oct 9 2026

Dry airmass in place across the region with a warm f...