Valparaiso, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valparaiso, a city in Porter County, Indiana.
This Afternoon
73°F
Chance Rain Showers
A chance of rain showers after 3pm. Mostly cloudy, with a high near 73. East wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Valparaiso
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain Showers | 10 mph E | 30% |
| Tonight | 60°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 33% |
| Saturday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 82% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 5 mph SSW | 81% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph N | 81% |
| Sunday Night | 54°F | Rain Showers Likely | 10 to 15 mph NE | 65% |
| Monday | 65°F | Showers And Thunderstorms Likely | 10 to 15 mph ENE | 56% |
| Monday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 35% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 20% |
| Wednesday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
| Wednesday Night | 52°F | Mostly Cloudy | 5 mph NNE | 7% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Valparaiso (41.480, -87.052). Updated through the day.
Growing snapshot for Valparaiso
Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
6a
More local growing data for Valparaiso: nearby ZIP 46383 weather · frost dates · planting calendar · Indiana frost dates
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Town of Pines
Wheeler
Climate data from the nearest NOAA station, Valparaiso Porter Co Muni Ap, In (0.4 mi from Valparaiso). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.