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 88. Southwest wind 10 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: Oct 13, 2026 12:11 AM EDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Portland, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:11 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portland
Tuesday looks like the warmest upcoming period in Portland at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 12:11 AM EDT
- Coverage
- 7 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
A slight chance of showers and thunderstorms between 2am and 4am, then a chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Mostly clear, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. West wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 2am. Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 63. Chance of precipitation is 30%.
Partly cloudy, with a low around 37.
Sunny, with a high near 57.
Mostly clear, with a low around 34.
Sunny, with a high near 63.
Mostly clear, with a low around 43.
Mostly sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
88°F |
10 to 15 mph
SW
|
|
Tuesday Night
Oct 13
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
SW
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
79°F |
5 to 10 mph
W
|
|
Wednesday Night
Oct 14
|
Rain Showers Likely
|
56°F |
5 to 10 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
70°F |
5 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
54°F |
5 to 15 mph
SW
|
|
Friday
Oct 16
|
Chance Rain Showers
|
63°F |
15 to 25 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
37°F |
5 to 20 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
57°F |
5 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
34°F |
0 to 5 mph
SW
|
|
Sunday
Oct 18
|
Sunny
|
63°F |
5 to 10 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
5 to 10 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
69°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portland.