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Indiana, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Indiana, a borough in Indiana County, Pennsylvania.

This Afternoon
79°F
Partly Sunny
Partly sunny. High near 79, with temperatures falling to around 72 in the afternoon. Southeast wind around 9 mph.

7-day forecast for Indiana

WhenTempForecastWindPrecip
This Afternoon 79°F Partly Sunny 9 mph SE 8%
Tonight 60°F Light Rain 7 to 10 mph S 89%
Thursday 68°F Chance Light Rain then Partly Sunny 7 to 13 mph SW 40%
Thursday Night 47°F Partly Cloudy 2 to 6 mph SW 0%
Friday 61°F Mostly Cloudy then Chance Light Rain 3 to 9 mph SW 28%
Friday Night 39°F Chance Light Rain 3 to 7 mph W 41%
Saturday 50°F Chance Light Rain 7 to 14 mph W 52%
Saturday Night 35°F Chance Light Rain 8 to 12 mph W 52%
Sunday 53°F Partly Sunny 9 to 14 mph W 11%
Sunday Night 33°F Partly Cloudy 12 mph W 8%
Monday 55°F Mostly Sunny 10 to 16 mph W 11%
Monday Night 34°F Mostly Clear 7 to 10 mph W 6%
Tuesday 59°F Mostly Sunny 10 to 15 mph SW 2%
Tuesday Night 34°F Partly Cloudy 3 to 8 mph W 2%

Forecast source: National Weather Service (api.weather.gov) for Indiana (40.622, -79.155). Updated through the day.

Growing snapshot for Indiana

Last spring frost
May 8
First fall frost
Oct 13
Growing season
157 days
Hardiness zone
6b

More local growing data for Indiana: nearby ZIP 15705 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Indiana 3 Se, Pa (2.5 mi from Indiana). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.