Portland, IN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portland, IN in one place.
Sunny, with a high near 93. Heat index values as high as 96. Southwest wind around 0 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: Jul 13, 2026 10:56 AM EDT.
The active forecast window currently covers Jul 14 to Jul 19, 2026 for Portland, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 10:56 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Wednesday looks like the warmest upcoming period in Portland at 95 degrees F.
Sunday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 10:56 AM 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
Clear, with a low around 71. Heat index values as high as 96. West wind 0 to 5 mph.
Sunny, with a high near 95. West wind around 5 mph.
Mostly clear, with a low around 72.
Sunny, with a high near 93.
Mostly clear, with a low around 71.
Sunny, with a high near 91.
Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69.
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
93°F |
0 mph
|
|
Tuesday Night
Jul 14
|
Clear
|
71°F |
0 to 5 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
5 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
5 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 5 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
0 to 5 mph
W
|
|
Friday
Jul 17
|
Sunny
|
91°F |
5 to 10 mph
W
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
72°F |
5 to 10 mph
SW
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
90°F |
10 to 15 mph
SW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
69°F |
10 to 15 mph
SW
|
|
Sunday
Jul 19
|
Chance Showers And Thunderstorms
|
87°F |
10 mph
SW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.