Portage, MI Weather Forecast
Kalamazoo County, Michigan
The next few hours
A dry morning, partly cloudy
It is 36°, but the wind is taking it down to 29° on exposed skin. The sky is partly cloudy.
The wind turns to the west-northwest around 9 PM. Nothing in the next day and a half is wet enough to move plans for.
Colour and bar height both show how heavy the rain would look on radar. A dotted line means the model has no reading for that hour, which is not the same as no rain.
Hour by hour
Quiet through the next day and a half
Nothing wet is expected over the next day and a half.
The overnight low settles near 36°. Tomorrow tops out near 58°.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
28–61°F across the weekThe week runs between 28° and 59°, with Tuesday the warmest day of it. The second half leans cooling, and Friday is the coolest day in it. Every day in the outlook stays dry.
About the Portage forecast
Portage sits at 42.1970°N, 85.5914°W in Kalamazoo County, Michigan. The forecast above is drawn for that point from the National Weather Service's own computer models: a seven-day outlook, and a finer-grained one covering the next eighteen hours where it reaches, and the radar and alert panels show what the Weather Service has out over the area right now.
- County
- Kalamazoo County
- Coordinates
- 42.1970°N, 85.5914°W
- Population
- 49,302 · 2023 estimate
- Land area
- 32.293 sq mi
Place data from the US Census Bureau. Coordinates are the Census internal point for Portage, and the forecast is for that location, not for every address inside the city limits, and a large city can have real weather differences from one side to the other.
How well can the network see Portage?
The nearest Doppler radar is KGRR (Grand Rapids, MI), 48 miles to the N. A WSR-88D's lowest routine scan sits half a degree above horizontal, and the earth curves away beneath it, so by the time that beam reaches Portage its center is about 3,400 ft above ground. That is comfortably inside the useful range. The lowest scan passes low enough over Portage to show rotation in the part of a storm where tornadoes actually form.
The closest instrument actually measuring the air is KAZO · Kalamazoo Intl on the ASOS/AWOS network, 3.2 miles away. Close enough that its readings are, for practical purposes, the conditions in town.
Beam height is the standard 4/3-earth approximation for the 0.5° scan and assumes normal refraction; it is where the center of the beam is, not its edges, and unusual temperature profiles bend it. Radar siting from the NWS WSR-88D network, station positions from the Michigan observing network as of this build.
Forecasts near Portage
- Kalamazoo, MI5 mi
- Vicksburg, MI6 mi
- Texas, MI6 mi
- Pavilion, MI6 mi
- Oshtemo, MI9 mi
- Brady, MI9 mi
- Comstock, MI9 mi
- Mattawan, MI11 mi
Elsewhere in Michigan
DetroitGrand RapidsWarrenSterling HeightsAnn ArborLansingAll Michigan forecasts →