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Valparaiso, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Valparaiso, a city in Porter County, Indiana.

This Afternoon
65°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 65, with temperatures falling to around 58 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.

7-day forecast for Valparaiso

WhenTempForecastWindPrecip
This Afternoon 65°F Slight Chance Rain Showers 15 mph WSW 0%
Tonight 48°F Slight Chance Rain Showers then Slight Chance Rain 10 to 15 mph SW 16%
Thursday 54°F Mostly Cloudy then Chance Rain 10 to 15 mph SW 41%
Thursday Night 42°F Rain 5 to 10 mph NW 90%
Friday 49°F Chance Rain 10 to 15 mph NNW 42%
Friday Night 38°F Mostly Cloudy 5 to 10 mph NNW 12%
Saturday 49°F Mostly Sunny 5 to 10 mph NW 4%
Saturday Night 33°F Mostly Clear 0 to 5 mph W 0%
Sunday 55°F Sunny 5 to 10 mph W 1%
Sunday Night 36°F Mostly Clear 5 mph W 0%
Monday 59°F Sunny 5 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph SW 0%
Tuesday 59°F Sunny 5 mph W 1%
Tuesday Night 39°F Partly Cloudy 0 mph 2%

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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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 Nov 5, 2026.