Princeton, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a city in Gibson County, Indiana.
This Afternoon
97°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny. High near 97, with temperatures falling to around 94 in the afternoon. Northwest wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Slight Chance Showers And Thunderstorms | 7 mph NW | 18% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph E | 18% |
| Saturday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SSW | 18% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SSW | 15% |
| Sunday | 96°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 8 mph WSW | 15% |
| Sunday Night | 69°F | Slight Chance Rain Showers | 7 mph NNE | 21% |
| Monday | 86°F | Chance Showers And Thunderstorms | 6 to 10 mph NNE | 46% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 7 to 13 mph NNE | 46% |
| Tuesday | 76°F | Chance Showers And Thunderstorms | 8 to 13 mph NNE | 41% |
| Tuesday Night | 59°F | Mostly Cloudy | 6 to 14 mph NNE | 12% |
| Wednesday | 76°F | Mostly Sunny | 6 to 10 mph N | 5% |
| Wednesday Night | 58°F | Partly Cloudy | 3 to 10 mph N | 4% |
| Thursday | 77°F | Mostly Sunny | 3 to 9 mph N | 3% |
| Thursday Night | 59°F | Partly Cloudy | 3 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Princeton (38.354, -87.580). Updated through the day.
Growing snapshot for Princeton
Last spring frost
Apr 13
First fall frost
Oct 25
Growing season
194 days
Hardiness zone
6b
More local growing data for Princeton: nearby ZIP 47670 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Buckskin
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Johnson
Mackey
Oakland City
Owensville
Patoka
Somerville
Climate data from the nearest NOAA station, Princeton 1 W, In (1 mi from Princeton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.