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September 2025 Climate Summary

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Valparaiso Porter County Municipal Airport (KVPZ)

Lat: 41.45°NLon: 87°WElev: 768ft.

Fair

80°F

27°C

Humidity	49%
Wind Speed	S 8 mph
Barometer	30.03 in (1016.4 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	6 Oct 5:56 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Valparaiso, Porter County Municipal Airport IN

Tonight
Low: 62 °F
Showers
Likely
Tuesday
High: 65 °F⇓
Showers
Likely then
Chance
Showers
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 62 °F
Sunny
Wednesday Night
Low: 39 °F
Clear
Thursday
High: 64 °F
Sunny
Thursday Night
Low: 39 °F
Mostly Clear
Friday
High: 67 °F
Mostly Sunny
Friday Night
Low: 47 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 62. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely and possibly a thunderstorm before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a temperature falling to around 60 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Mostly clear, with a low around 47. North wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday

Sunny, with a high near 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Wednesday Night

Clear, with a low around 39. North northeast wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

Thursday

Sunny, with a high near 64.

Thursday Night

Mostly clear, with a low around 39.

Friday

Mostly sunny, with a high near 67.