Altona, IN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Altona, IN in one place.
Mostly sunny, with a high near 74. Northwest wind around 5 mph.
Local Weather Overview
This forecast page for Altona, 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: Apr 21, 2026 9:55 AM EDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Altona, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:55 AM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Altona
Thursday looks like the warmest upcoming period in Altona at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:55 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
Mostly clear, with a low around 54. Southwest wind 0 to 5 mph.
Mostly sunny, with a high near 78. South wind 5 to 10 mph.
Partly cloudy, with a low around 59.
A slight chance of rain showers between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
A slight chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.
A slight chance of rain showers before 8pm. Partly cloudy, with a low around 46. Chance of precipitation is 20%.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 2am. Partly cloudy, with a low around 48.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 71.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Sunny
|
74°F |
5 mph
NW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
54°F |
0 to 5 mph
SW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
78°F |
5 to 10 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
59°F |
5 to 10 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
75°F |
5 to 15 mph
S
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely
|
53°F |
5 to 10 mph
W
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers
|
67°F |
5 to 10 mph
N
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers then Partly Cloudy
|
46°F |
5 to 10 mph
N
|
|
Sunday
Apr 26
|
Mostly Sunny
|
68°F |
5 to 10 mph
NE
|
|
Sunday Night
Apr 26
|
Partly Cloudy then Slight Chance Rain Showers
|
48°F |
5 to 10 mph
E
|
|
Monday
Apr 27
|
Chance Rain Showers
|
71°F |
5 to 10 mph
E
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
53°F |
10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Altona.