Portland, IN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, IN in one place.
Mostly sunny, with a high near 73. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Portland, IN 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: May 29, 2026 3:19 PM EDT.
The active forecast window currently covers May 30 to Jun 4, 2026 for Portland, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 29, 2026 3:19 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Thursday looks like the warmest upcoming period in Portland at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph NE.
The forecast from May 30 through Jun 4 stays mostly dry.
Forecast Details
- Last updated
- May 29, 2026 3:19 PM EDT
- Coverage
- 6 days
- Time zone
- America/Indiana/Indianapolis
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 48. East wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 75. East wind 0 to 5 mph.
Mostly cloudy, with a low around 54.
Partly sunny, with a high near 78.
Partly cloudy, with a low around 54.
Sunny, with a high near 77.
Mostly clear, with a low around 53.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Sunny, with a high near 81.
Partly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
73°F |
5 to 15 mph
NE
|
|
Saturday Night
May 30
|
Partly Cloudy
|
48°F |
5 to 15 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
75°F |
0 to 5 mph
E
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
54°F |
0 mph
|
|
Monday
Jun 1
|
Partly Sunny
|
78°F |
0 to 5 mph
N
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
54°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
53°F |
0 to 5 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
78°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
56°F |
0 to 5 mph
SE
|
|
Thursday
Jun 4
|
Sunny
|
81°F |
5 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
63°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.