Portage, Michigan 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Portage MI
National Weather Service Forecast for:
Portage MI
Issued by: National Weather Service Grand Rapids, MI |
Updated: 6:03 am EDT Jun 6, 2025 |
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Today
 Partly Sunny
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Tonight
 Decreasing Clouds
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Saturday
 Increasing Clouds
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Saturday Night
 Chance Showers
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Sunday
 Chance Showers
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Sunday Night
 Chance Showers
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Monday
 Sunny
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Monday Night
 Partly Cloudy
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Tuesday
 Mostly Sunny
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Hi 74 °F |
Lo 53 °F |
Hi 77 °F |
Lo 57 °F |
Hi 75 °F |
Lo 54 °F |
Hi 74 °F |
Lo 52 °F |
Hi 71 °F |
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Air Quality Alert
Today
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Partly sunny, with a high near 74. Calm wind becoming east northeast around 6 mph in the afternoon. |
Tonight
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Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Northeast wind around 5 mph becoming calm in the evening. |
Saturday
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Increasing clouds, with a high near 77. East wind 3 to 6 mph. |
Saturday Night
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A slight chance of showers before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 57. East wind around 5 mph. Chance of precipitation is 30%. |
Sunday
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A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers after 11am. Partly sunny, with a high near 75. East southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 40%. |
Sunday Night
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A 40 percent chance of showers before 2am. Partly cloudy, with a low around 54. |
Monday
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Sunny, with a high near 74. |
Monday Night
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Partly cloudy, with a low around 52. |
Tuesday
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Mostly sunny, with a high near 71. |
Tuesday Night
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Mostly clear, with a low around 52. |
Wednesday
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Sunny, with a high near 78. |
Wednesday Night
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Mostly clear, with a low around 56. |
Thursday
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Sunny, with a high near 82. |
Forecast from NOAA-NWS
for Portage MI.
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Weather Forecast Discussion
487
FXUS63 KGRR 060711
AFDGRR
Area Forecast Discussion
National Weather Service Grand Rapids MI
311 AM EDT Fri Jun 6 2025
.KEY MESSAGES...
- Upper Low Early Next Week with Rain showers
&&
.DISCUSSION...
Issued at 311 AM EDT Fri Jun 6 2025
Plenty of high clouds today but rain chances are very low and
confined to far southern areas. Fair and slightly cooler than
normal through Saturday then rain chances increase on Sunday in
advance of a vigorous upper low moving across the Great Lakes
region.
We can expect a diurnal enhancement of showers and a slight
chance of thunder in the afternoon and evening each day from
Sunday through Tuesday. The low moves out late Tuesday with fair
weather returning for Wednesday.
&&
.AVIATION /06Z TAFS THROUGH 06Z SATURDAY/...
Issued at 124 AM EDT Fri Jun 6 2025
VFR conditions will prevail through Friday evening at most sites
except JXN where some IFR/MVFR is expected at times through the
afternoon as low clouds and fog persist. Winds will be light and
variable overnight then go northerly AOB 10 knots this afternoon.
&&
.MARINE...
Issued at 124 AM EDT Fri Jun 6 2025
Winds and waves are expected to be relatively calm until late in
the weekend when south winds increase ahead of low pressure moving
in from the west. At this point it looks like winds and waves
remain below SCA criteria into early next week.
&&
.GRR WATCHES/WARNINGS/ADVISORIES...
MI...Air Quality Alert until noon EDT today for MIZ037>040-043>046-
050>052-056>059-064>067-071>074.
MARINE...None.
&&
$$
DISCUSSION...Ostuno
AVIATION...Ostuno
MARINE...Ostuno
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