Portage, MI Weather Forecast

Local 7-day forecast

45°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Portage, MI in one place.

Sunday, April 19, 2026
Wind: 10 to 17 mph WNW
Sunday

Mostly sunny, with a high near 45.

Local 7-day forecast

Local Weather Overview

This forecast page for Portage, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 8:27 PM EDT.

The active forecast window currently covers Apr 19 to Apr 22, 2026 for Portage, MI.

Page Snapshot

Page focus
city weather
Forecast window
Apr 19 to Apr 22, 2026
Latest sync
Apr 15, 2026 8:27 PM EDT
Forecast office
GRR
Source
NOAA / NWS
Next High
45°F
Sunday
Next Low
29°F
Sunday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
10 to 17 mph
Sunday

Daily Outlook

Today
Apr 19
Mostly Sunny
45 °F
/ 29°F
Wind 10 to 17 mph
Mon
Apr 20
Sunny
55 °F
/ 41°F
Wind 5 to 9 mph
Tue
Apr 21
Mostly Sunny
68 °F
/ 46°F
Wind 10 to 16 mph
Wed
Apr 22
Slight Chance Rain Showers
66 °F
Wind 7 to 10 mph

This Week in Portage

Tuesday looks like the warmest upcoming period in Portage at 68 degrees F.

Sunday Night is the coolest period ahead with temperatures near 29 degrees F.

The strongest winds are forecast for Sunday at about 10 to 17 mph WNW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 8:27 PM EDT
Coverage
4 days
Time zone
America/Detroit
Forecast office
GRR
Radar station
KGRR

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
Apr 19
29°F
Partly Cloudy
5 to 14 mph NW

Partly cloudy, with a low around 29.

Monday
Apr 20
55°F
Sunny
5 to 9 mph NW

Sunny, with a high near 55.

Monday Night
Apr 20
41°F
Mostly Clear
6 to 10 mph S

Mostly clear, with a low around 41.

Tuesday
Apr 21
68°F
Mostly Sunny
10 to 16 mph SW

Mostly sunny, with a high near 68.

Tuesday Night
Apr 21
46°F
Slight Chance Rain Showers
7 to 13 mph W

A slight chance of rain showers after 8pm. Partly cloudy, with a low around 46.

Wednesday
Apr 22
66°F
Slight Chance Rain Showers
7 to 10 mph W

A slight chance of rain showers. Mostly sunny, with a high near 66.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Apr 19
Mostly Sunny
45°F
10 to 17 mph
WNW
Sunday Night
Apr 19
Partly Cloudy
29°F
5 to 14 mph
NW
Monday
Apr 20
Sunny
55°F
5 to 9 mph
NW
Monday Night
Apr 20
Mostly Clear
41°F
6 to 10 mph
S
Tuesday
Apr 21
Mostly Sunny
68°F
10 to 16 mph
SW
Tuesday Night
Apr 21
Slight Chance Rain Showers
46°F
7 to 13 mph
W
Wednesday
Apr 22
Slight Chance Rain Showers
66°F
7 to 10 mph
W
Portage Hospital
Portage Hospital image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.