Harrisburg, NE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrisburg, a community in Banner County, Nebraska.
Overnight
56°F
Chance Rain Showers
A chance of rain showers before 3am. Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. West wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Harrisburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Chance Rain Showers | 5 to 10 mph W | 27% |
| Saturday | 74°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 40% |
| Saturday Night | 49°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 53% |
| Sunday | 67°F | Chance Rain Showers | 10 mph WNW | 50% |
| Sunday Night | 46°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NW | 42% |
| Monday | 70°F | Mostly Sunny | 5 to 10 mph NNE | 6% |
| Monday Night | 48°F | Mostly Clear | 15 to 20 mph SE | 7% |
| Tuesday | 73°F | Mostly Sunny | 20 to 25 mph SSE | 5% |
| Tuesday Night | 51°F | Partly Cloudy | 20 to 25 mph SSE | 13% |
| Wednesday | 78°F | Partly Sunny | 10 to 15 mph SSE | 12% |
| Wednesday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 mph S | 21% |
| Thursday | 79°F | Mostly Sunny | 5 to 10 mph NNW | 3% |
| Thursday Night | 53°F | Partly Cloudy | 10 mph SSE | 4% |
| Friday | 80°F | Mostly Sunny | 10 to 20 mph S | 8% |
Forecast source: National Weather Service (api.weather.gov) for Harrisburg (41.551, -103.727). Updated through the day.
Growing snapshot for Harrisburg
Last spring frost
May 24
First fall frost
Sep 20
Growing season
117 days
Hardiness zone
5a
More local growing data for Harrisburg: nearby ZIP 69345 weather · frost dates · planting calendar · Nebraska frost dates
Climate data from the nearest NOAA station, Harrisburg 12Wnw, Ne (12.9 mi from Harrisburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.